Robot Getting Started Guide Eng 2010 Metric

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Autodesk Robot Structural Analysis

Metric Getting Started Guide

October 2008546A1-050000-PM03A

This manual text is printed

on 40 percent postconsumer

waste recycled paper


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TABLE OF CONTENTS

Autodesk Robot Structural Analysis - Getting Started Guide

TABLE OF CONTENTS

AUTODESK ROBOT STRUCTURAL ANALYSIS

FAST OVERVIEW ............................................................... 1

General description of the program ........................................................................ 3

Robot modules ........................................................................................................ 3

Robot screen layout .................................................................................................. 5

Basic configuration of the program .......................................................................... 6

Preferences ............................................................................................................. 6Job Preferences ....................................................................................................... 7

Navigation techniques ..............................................................................................8

Methods of working with Robot interface .............................................................. 10

System menu ......................................................................................................... 10

View menu ..................................................................................................... 12

Geometry menu ............................................................................................. 12

Loads menu ................................................................................................... 12

Analysis menu ............................................................................................... 13

Results menu ................................................................................................ 13Tools menu .................................................................................................... 13

Window menu ................................................................................................ 14

Help menu ..................................................................................................... 14

Layout System ....................................................................................................... 14

Entering the structural analysis data ..................................................................... 17

Analyzing the structure .......................................................................................... 20

Results preview ...................................................................................................... 22

Graphical results for beams ......................................................................... 22

Graphical results for surfaces ...................................................................... 24Tabular results .............................................................................................. 26

Reports and printout composition ......................................................................... 27

Advanced analysis and design ................................................................................ 28

List of shortcuts ..................................................................................................... 29


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ii TABLE OF CONTENTS


3D FRAME STRUCTURE ................................................... 31

Configuration of the program ................................................................................. 33

Model Definition ..................................................................................................... 34Bars definition (frame 2D) ............................................................................. 34

Supports definition ........................................................................................ 35

2-bay frame definition ................................................................................... 36

Load case definition ...................................................................................... 37

Loads definition for particular load cases .................................................... 38

Copying existing frame.................................................................................. 41

Definition of lateral beam ............................................................................. 43

Definition of cross bracings .......................................................................... 44

Copying defined bars (lateral beam and bracings)....................................... 46Structure Analysis .................................................................................................. 47

Results Preview...................................................................................................... 48

Displaying beam results graphically ............................................................ 48

Displaying results on bars in tabular form ................................................... 50

Stress analysis .............................................................................................. 51

Preparation of printouts ......................................................................................... 54

Capturing views and data for the calculation note .................................... 54

Preparing printout composition .................................................................... 55

Printing and exporting the calculation report .............................................. 57

RC AND STEEL MIXED STRUCTURE ................................. 61

Configuration of the program ................................................................................. 63

Model definition ...................................................................................................... 64

Definition of structural axes ......................................................................... 64

Section definition ........................................................................................... 67

Bars definition ............................................................................................... 70

Supports definition ........................................................................................ 76Load cases definition .................................................................................... 77

Definition of loads for predefined load cases ............................................... 79

Changing the structure type ......................................................................... 89

Definition of additional structural axis ......................................................... 89


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iTABLE OF CONTENTS


Copying existing frame.................................................................................. 91

Definition of lateral beams ........................................................................... 93

Definition of slab ........................................................................................... 96

Offset definition ............................................................................................. 99Definition of a wall....................................................................................... 104

Definition of wall support ............................................................................ 109

Meshing parameters definition ................................................................... 110

Definition of slab loads ................................................................................ 114

Structure Analysis ................................................................................................ 115

Results Preview.................................................................................................... 118

Panels results in map form ........................................................................ 118

Deformation of the structure ...................................................................... 121

Results on panels in tabular form .............................................................. 123

Integration of Autodesk Robot Structural Analysis with

RevitStructure ............................................................ 129

Export Revit model to Robot................................................................................. 131

Opening project in RevitStructure ............................................................ 131

Sending data to Robot ................................................................................. 132

Structure Analysis in Robot .................................................................................. 141Displaying items on the screen ................................................................... 142

Presentation of load cases transferred from Revit Structure ................. 143

Meshing parameters definition ................................................................... 145

Calculations ................................................................................................. 148

Results preview - displaying panel results in map form ............................ 149

Results preview - displaying results on bars in diagram form .................. 152

Modification of the Structure in Robot ................................................................. 155

Replacing sections ...................................................................................... 155

Deleting bars ............................................................................................... 158Adding new elements .................................................................................. 159

Update Revit Model from Robot ........................................................................... 164

Updating RevitStructure project .............................................................. 164

Model changes presentation ....................................................................... 172


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AUTODESK ROBOT

STRUCTURAL ANALYSIS

FAST OVERVIEW

Synopsis:

Te purpose o this Manual is introduce the novice user to the Autodesk Robot

Structural Analysis system and to provide some guidance into the program configura-

tion, menu system and navigation techniques. It will also show the many and variedmethods o input o data and extraction o results.

It is assumed that Autodesk Robot Structural Analysis 2010 is installed on the PC.


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GENERAL DESCRIPTION OF THE PROGRAM


GENERAL DESCRIPTION OF THE PROGRAM

What is Autodesk Robot Structural Analysis?

Autodesk Robot Structural Analysis (Robot) is a single integrated program used

or modeling, analyzing and designing various types o structures. Te program allows

users to create structures, to carry out structural analysis, to veriy obtained results, to

perorm code check calculations o structural members and to prepare documentation

or a calculated and designed structure.

Robot key eatures o the Commercial version are shown below:

Linear, nonlinear and dynamic (modal, spectral, seismic, time history, push over,P-Delta, buckling deormation, plasticity) structure analysis

working in a multilingual environment (15 languages independently set to user

interace, designing and calculation notes)

working in a multinational environment - designing according to over 50 de-

sign codes

rames, plates and shells, plus a powerul GUI modeler and mesher allows the

user to define virtually any shape or configuration o structure you analyze the

true structure geometry

quality bi-directional integration with Revit Structure, plus integration throughIFC, CIS2 etc.

an open API to allow the user to interace their own applications or pre and/or

post processing

ROBOT MODULES

Robot is a single product with many unctions and a common user enviroment.

Once Robot is activated (click on the appropriate icon on the desktop or choose the

appropriate command rom the taskbar), the window shown below (Figure 2.1) will

appear on the screen. Te window is used to select the type o structure that will be

analyzed or to load an existing structure.


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4 ROBOT MODULES


Figure 2.1 - Robot modules window

When the cursor is positioned on an icon, a short description of its function is displayed.

NOTE:

Te most commonly used icons are described below:

2D Frame Analysis

2D Truss Analysis

Grillage Analysis

3D Truss Analysis

3D Frame Analysis

2D FE Plate Analysis

Shell Analysis used to modelsurfaces of any shape in 3d

structures

Bulding Analysis

Open the previously createdproject file

Open a new project

Table 2.1 - Robot basic modules


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ROBOT SCREEN LAYOUT


ROBOT SCREEN LAYOUT

GRAPHIC VIEWER / EDITOR

edit, view, tools, preferences

STANDARD TOOLBAR these options are mainly associated with non structuralitems, such as print, save, undo etc.

LAYOUT SYSTEM

designed totake the new userthrough a modelfrom start to finish,while opening pre-defined windowsfor selected tasks

STRUCTURE MODEL TOOLBAR sections, nodes, members, supports,loads etc.

OBJECTINSPECTOR managementof structural

objectsVIEW MANAGER selection of a work plane; switching between 2D and 3D view

Figure 3.1 - Robot typical screen layout


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6 BASIC CONFIGURATION OF THE PROGRAM | Preferences


BASIC CONFIGURATION OF THE PROGRAM

Te two options, Preferencesand Job Preferences, allowing the user to set pro-

gram parameters in the Robot system, are available rom the menu by opening toolbaroolsand pressing the appropriate icon:

Tools icon

Job Preferences iconPreferences icon

Figure 4.1 - Tools toolbar

Preferences

Te Preferencesdialog box presented below is used to define basic parameters

in the program:

REGIONALSETTINGSadjust thedatabases(profiles,

materials),units andcodes to thestandards ofa country

Robot is a multilingual program the user can independently set differentlanguages for input and printout, if desired

Figure 4.2 - Preferences menu


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BASIC CONFIGURATION OF THE PROGRAM | Job Preferences


Te most regularly used options are:

languages - selection o regional settings (definition o the country whose codes

materials and regulations - e.g. code combination regulations - will be used dur-ing the design process, calculations and structure design) and working and print-

out language

general parameters (saving parameters, number o recently used structures,

sound on/off etc.)

display parameters (colors and onts or screen components)

toolbar and menu (menu type and the type o toolbars)

printout parameters (colors and onts or printouts, scale and symbols,

line thickness)

protection parameters (protection, authorization) - or changingthe system protection

COM interace - presentation o the registered additional programs/modules

Job Preferences

Te Job Preferencesdialog box, presented below, allows you to define general

program parameters to be used in a given project:

Figure 4.3 - Job Preferences menu

Te most important unctions are:


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8 NAVIGATION TECHNIQUES


number units and ormats (dimensions, orces, possibility o unit edition)

materials (selection o material set, according to the country and the possibility

o creating user-defined material)

section database (selection o the appropriate database with member sections)structure analysis parameters (selection o the static analysis method and defini-

tion o basic parameters or dynamic and non-linear analysis; selection o analy-

sis types, possibility o saving results or seismic analysis combination o seis-

mic cases)

parameters or generation o surace finite element meshes or plates and shells

NAVIGATION TECHNIQUES In the Robot sofware, various mechanisms have been introduced to make struc-

ture definition simple and more efficient. According to the type o operation perormed,

the mouse cursor changes its shape to:

hand a selection mode or highlighting entities

cross pointer - during node and bar definition, to define precise points e.g. start

and end points o members

shape o the appropriate eature e.g. when adding sections the cursor is in shapeo an I section, when adding supports a support icon appears etc.

Te cursor operation in a viewer by means o the third mouse button (or wheel) is

identical to that in the AutoCAD program. Te ollowing cursor support modes

are available:

wheel rotation zoom in / out

wheel rotation + Ctrl key horizontal panwheel rotation + Shif key vertical pan

pressing the third button - pan

double-click with the third button initial view


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NAVIGATION TECHNIQUES


Te user should take note o the work capabilities in 3D views when the menu option

Dynamic View(View Dynamic View Dynamic View) is switched on. 3D viewing

enables work in one o five modes:

our simple modes: 3D rotation, 2D rotation, zoom and pan

one multi-unction mode

Te user may switch rom one work mode to another by selecting an appropriate option

in the View / Dynamic View menu, on the View toolbar and in the context menu. Afer

choosing a work mode, the mouse cursor movement (with mouse lef button pressed)

brings about the relevant change in the 3D view:

3D Rotation rotates a structure in all planes2D Rotation - rotates a structure in the plane parallel to the screen plane

Zoom movement down the view zooming in / zooming out a structure to /

rom the screen plane

Pan movement in the view plane (structure shif with respect to the

screen center)

Te multi-unction mode (Rotation / Zoom / Pan) enables work using all the modes

at the same time. Te viewer o 3D view is divided into quarters and each o them is

ascribed one o the modes:

top left: 3D rotation top right: pan

bottom left: zoom bottom right: 2D rotation

Table 5.1 - Cursor modes

Once the cursor is positioned in the relevant quarter o the screen, the cursor shape

changes (see the icons above).


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10 METHODS OF WORKING WITH ROBOT INTERFACE | System menu


Navigation tool (ViewCube) is also available in the program. ViewCube is a 3D

interactive tool that lets you reorient a view and set the current orientation o a struc-

ture model. Clicking a predefined ace, edge or corner on the ViewCube, you can re-

orient the view o a model. Moreover, clicking and dragging the ViewCube lets youreorient the model to different directions. Access the ViewCube option by selecting

the View > ViewCube - Properties.

Figure 5.1 - ViewCube

Te ViewCube also uses the compass to indicate a direction rom which you view a

model. o change the viewpoint o a model, click a selected direction on the compass

(N, S, E, W). You can show or hide the compass rom the ViewCube context menu afer

you right-click on the ViewCube and select the Show compass option.

METHODS OF WORKING WITH

ROBOT INTERFACE

Tere are two methods to work with Robot - by using System Menu to entering

data, or special Layout System.

System menu

Te system menu consists o two parts: a text menu and toolbars with appropriateicons. Tey can be used interchangeably, according to the users needs and preerences.

Both are displayed in the same way - as a horizontal bar at the top o the screen (ad-

ditionally, or some layouts in the Robot system, another toolbar with most requently

used icons is displayed on the right side o the screen).

Basic options available within the modules are accessible both rom the text menu and

the toolbar.


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1METHODS OF WORKING WITH ROBOT INTERFACE | System menu


Tough contents o the text menu and toolbars or successive modules vary, the main

options are always available regardless o which module is active.

Te figure below illustrates both types o menus (the main menu that appears once the

Start layout is selected is shown as an example):

STRUCTUREMODEL bar- additionalside toolbarwith mostfrequentlyused icons

SYSTEM MENU text menu& standard toolbar

Figure 6.1 - System menu

Options available in the text menu are grouped as ollows:

File menu

FILE MENU contains options for:File management (New, Open, Save etc.)Calculation notes and drawing printouts(Screen Capture..., Printout Composi-tion... etc.), a list of information aboutproject and a list of recently open files

Figure 6.2 - File menu window

Edit menu

Figure 6.3 - Edit menu window

EDIT MENU contains options for:Elements edition (Undo, Redo, Cut,Copy etc.)Selection (Select...,Select All)Selection using filters (Select Special)Model modification (Edit, ComplexEdit..., Divide, Intersect etc.)


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12 METHODS OF WORKING WITH ROBOT INTERFACE | System menu


View menu

VIEW MENU contains options for:

2D/3D view management of a structuresmodel (Dynamic View, Zoom, Pan etc, Workin 3D)Structure attributes to be presented on thescreen (Display); definition of grid parame-ters (Grid)Selection of tables with data or results(Tables) and saving defined views of a stru-cture (History)

Figure 6.4 - View menu window

Geometry menu

GEOMETRY MENU - contains options to:Select or modify a type of a structureDefine a model construction axis (Axis Definition)Define structural data - nodes, bars, panels andauxiliary objectsDefine materialsDefine bar profiles and their orientation anddirection of local coordinate system

Define supports and many other structural items

Figure 6.5 - Geometry menu window

Loads menu

LOADS MENU contains options to define loadcases and combinations

Figure 6.6 - Loads menu window


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1METHODS OF WORKING WITH ROBOT INTERFACE | System menu


Analysis menu

ANALYSIS MENU contains options to:

Start the calculation processChange from linear to non linear, P-Deltaor bucklingSet up dynamic analysesDesign concrete beams, columns andsurfaces

Figure 6.7 - Analysis menu window

Results menu

RESULTS MENU contains options to:Display beam results graphicallyDisplay detailed results for beams graphi-callyDisplay results for surfacesDisplay tables that easily be edited, sorted,filtered, exported to MS Exceletc.

Figure 6.8 - Results menu window

Tools menu

Figure 6.9 - Tools menu window

TOOLS MENU contains differ-ent types of configuration options(Preferences, Job Preferences)

and possibility to define users in-terface, menu, shortcuts and formof calculation notes


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14 METHODS OF WORKING WITH ROBOT INTERFACE | Layout System


Window menu

WINDOW MENU offers options to ma-nage and arrange the graphic windowsand an option to activate/deactivate theObject Inspector

Figure 6.10 - Window menu

Help menu

HELP MENU contains help options andvarious product information items

Figure 6.11 - Help menu window

Layout System

Te second method o work with Robot is by using the special layout system.

Robot has been equipped with a layout mechanism that simplifies the design process.

Te layouts in Robot are specially designed systems o dialog boxes, viewers and tables

that are used to perorm specific defined operations.

Layouts available in Robot were created to make consecutive operations leading to

defining, calculating, and designing the structure easier the layouts guide the userthrough the process rom model generation to results.

In order to make the system as easy to use as possible, each layout has its own predefined

set o windows which are automatically opened on entering the layout and closed

on exit.

Layouts are available rom the selection list ound in the right, upper corner o the

screen:


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1METHODS OF WORKING WITH ROBOT INTERFACE | Layout System


SYSTEM LAYOUT SELECTION WINDOW

A list of standard layouts available in Robot.This example shows the layouts for a shell structure andthe layouis vary depending on the structure type

Figure 6.12 - System layout selection window

Te layout order and arrangement ollows a chronological process, starting rom defin-ing nodes, beams, then supports, sections etc.

RESULTS

Contains layouts showing beam results, maps on surfacesetc.

DEFINITION OF STRUCTURE MODELContains layouts relating to the geometry and basic defini-tion of a structural model, such as supports, sections etc.

DESIGNContains layouts relating to steel and concrete design, slabdesign etc.

Figure 6.13 - System layout selection window - chronological layout order

A typical layout or nodes is shown note that each window cannot be closed untila new layout is selected.


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16 METHODS OF WORKING WITH ROBOT INTERFACE | Layout System


Dialog boxes to show entered data. It is alsopossible to enter data manually in this screenor to paste from programs such as MS Excel

STRUCTURE MODEL TOOLBAR this (as in otherlayouts) contains data relating to structural enti-ties, but limited to the type of data that is appropri-ate to node definition

LAYOUT SELECTION PULL DOWN MENU in this case layout Nodes is selected

GRAPHIC VIEWER / EDITOR

Figure 6.14 - Typical layout for nodes

However it is not necessary to define the structure according to the layout order. Tis

may be done in any order chosen by the user. Te layout system was introduced in sucha way that Robot structure definition is intuitive and efficient.

All Robot operations may be perormed without using the defined layouts but by

using system menu instead or also taking advantage o both methods (simultaneously)

according to the users needs and preerences.


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1ENTERING THE STRUCTURAL ANALYSIS DATA


ENTERING THE STRUCTURAL ANALYSIS DATA

Tere are 3 ways to enter data:

By entering data using the appropriate text dialog box or direct in a table (or

pasted rom MS Excel)

By entering data in the Robot GUI using tools or graphic structure definition

- i.e. snap grids or structural axes.

Examples o data entering using the System Layout mechanism (or Bars and

Loads options) are presented below:

1.

2.


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18 ENTERING THE STRUCTURAL ANALYSIS DATA


GRAPHIC VIEWER/EDITOR allowsthe user to enter and view data Dialog box to load cases definition

Toolbar with load tools (including

advanced options such as soil loading,vehicle loading etc.)

Dialog box to define different types ofloads (node, beam, surface, self-weight)

Data concerning defined load cases (case,

load type etc.) in tabular form

Figure 7.1 - Examples of loads data entering with System Layout mechanism

The updating of data is dynamic tables reflect graphics and vice versa at all times.

NOTE:

By entering data in another application and importing into Robot - several file

ormats are supported including:

DXF, DWG, IFC, SDNF (steel detailing neutral file), CIS/2. A dynamic link to

and rom Revit Structure also provides bi-directional integration.

As the preparation o the structural model progresses, the user can control ex-

actly what is seen on the screen by using the Displaysettings (it is available by

3.


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1ENTERING THE STRUCTURAL ANALYSIS DATA


pressing icon rom context menu or direct rom the bottom, right corner on

the Robot screen):

DISPLAY allows the userto switch on and off a wideselection of items, includingnode and members numbers,section shapes, supports, FEmesh and also sets up hiddenline and render options.A wide range of customizationoptions allows to the userto define a view of structureas required exactly to userspreferences.

Figure 7.2 - Display window

Afer defining the model data, the user now proceeds to the analysis stage.

However, prior to this stage, the model must be discretized into finite elements.

Robot has wide ranging capabilities or automeshing the structure and meshing isgenerally a very ast process or even the largest o models. Some o the meshing pa-

rameters are shown below:

MESH REFINING OPTIONS allowthe user to easily refine the mesh in

user selected areas.

AUTOMESHING PARAMETERS can mesh all or part of thestructure and also define mesh density and meshing type

Figure 7.3 - FE Mesh Generation toolbar

Example o structure with meshed panels is shown below:


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20 ANALYZING THE STRUCTURE


Figure 7.4 - Example of meshing

ANALYZING THE STRUCTURE

Structural analysis can be started by selecting one o the two calculation buttons

in the horizontal toolbar.

Figure 8.1 - Calculation icons


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2ANALYZING THE STRUCTURE


Te icon on the lef side starts the calculation process. Te second icon is used to set di-

erent analysis parameters. Tis option allows the user to change specific analysis types

rom linear to non linear or to set up dynamic analysis.

Figure 8.2 - Changing analysis parameters

As a deault, all analysis is set as linear static, unless the user has included some mem-bers or parameters such as cables, tension only, hinges etc. In such a case the analysis

type is automatically changed to non linear and Robot will apply the loads incremen-

tally to ensure the true structural equilibrium and a final exact geometry is reached.

Robot has many non linear parameters that the user can set in the case o non conver-

gence o analysis data, including the options to set ull or modified Newton-Raphson

and step halving. In addition to general non linear calculations, the user can also set

the ollowing analysis options:

P-DeltaModal

Seismic (to codes such as IBC, UBC, EC etc.)

Spectral response

ime history

Buckling


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22 RESULTS PREVIEW | Graphical results for beams


RESULTS PREVIEW

Te Results Layout shows a wide range o analysis results presentation.

All of results preview options are also available through the RESULTS pull-down menu.

NOTE:

User can view results of calculations by selectingthe results layout, where a set of submenus for

particular results then appears

Figure 9.1 - Results type selection from results layout

Results can be split into various categories, each having their own characteristics.

Graphical results for beams

(graphical results or individual beams, or selection o beams, or groups o beams

presentation - bending moment, shear, stress, deflection animation o results in .avi

ormat etc.)


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2RESULTS PREVIEW | Graphical results for beams


Dialog box selects type of result to be displayedGraphical presentation of results as diagramsin graphic viewer/editor

Side toolbar shows additional results of structuralanalysis in tabular form, graphical form, plus links todesign modules

Tables of results can easily be con-verted to MS Excelformat by clickingright hand mouse

Figure 9.2 - Results in the diagrams form

Tere is also easy acces to calculation results or single bars. In context menu o the bar

(right mouse click on the element, then select Object Properties option) user can seediagrams and values or selected quantity o internal orces.


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24 RESULTS PREVIEW | Graphical results for surfaces


A right mouse click on any bardisplays its properties and results (ifanalysis has been carried out)

Figure 9.3 - Calculation results for single bar

Graphical results for surfaces

(graphical results or suraces, contour maps or bending, deflection, stress, animations;

reduced results showing global orces in surace cuts, including direct reduced results

or cores and stiff diaphragms)


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2RESULTS PREVIEW | Graphical results for surfaces


Graphical presentation of result maps ingraphic viewer/editor Dialog box to select type of map to display

Side toolbar shows additional results of structuralanalysis in tabular form, graphical form, plus linksto design modules

Figure 9.4 - Results in the maps form


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26 RESULTS PREVIEW | Tabular results


Tabular results

Tables can easily be edited, enveloping results,setting limits, filtering data by load case etc.

Dialog box used to define contents of thetable. It is available from the menu activatedby pressing the right mouse button when thecursor is located in the table, and selectingTABLE COLUMNS

Figure 9.5 - Tabular results

Robot tables can be easily transerred to MS Excel by pressing the right hand mouse

button.Inside Robot, the tables can be manipulated in many ways, in the same way as input

tables:

filtering data or specific load cases, members or groups o members

filtering data inside or outside user defined limits showing global maxima and

minima or selected members, nodes or suraces


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2REPORTS AND PRINTOUT COMPOSITION


REPORTS AND PRINTOUT COMPOSITION

Robot has a built in report generator which permits the user to create a user

defined printout or a Project.Tere are two options on the menu bar - Printout Composition and Screen Capture

which help to prepare the final calculations notes, tables and graphic printouts.

Tables can easily be edited, enveloping results, set-

ting limits, filtering data by load case etc.

Dialog box used to define contents of the table - it isavailable from the menu activated by pressing theright mouse button when the cursor is located inthe table, and selecting TABLE COLUMNS

Figure 10.1 - Printout Composition and Screen Capture icons

Te Standardtab lists a set o predefined options or printout, which can be mixed with

screen captures to the users requirements.

List of final printout, show-ing order of data to beprinted - the dashed redline indicates a page breakbetween each item

Predefined list of printout components

Various method of savingthe report in .doc, htmland sxw formats

Figure 10.2 - Printout composition


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28 ADVANCED ANALYSIS AND DESIGN


A key eature o Robot is that all o the data in the program is saved in a com-

mon binary file this data includes input, output, design plus also printout data. When

structural data is altered or amended the output and printout (tables and graphics) are

automatically updated on re-analysis to reflect the new results o the analysis. Tis isparticularly useul when considering a schematic design or sensitivity study since the

printout is automatically updated at every analysis step to reflect the current structural

configuration.

ADVANCED ANALYSIS AND DESIGN

Following analysis o the structure, the user may wish to take advantage o manyo the additional eatures such as:

Steel design

Concrete design or beams, columns, floors

Advanced analysis P-Delta, dynamic etc.

Tese items are beyond the scope o this Getting Started Manual and are covered in

more depth in the help or Robot.


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2LIST OF SHORTCUTS


LIST OF SHORTCUTS

In order to Press

select all Ctrl + Acopy a text or a drawing Ctrl + C

open a new project Ctrl + N

open an existing project Ctrl + O

start printing Ctrl + P

save the current project Ctrl + S

cut a text or a drawing Ctrl + X

repeat the last operation Ctrl + Y

paste a text or a drawing Ctrl + V

undo the last operation Ctrl + Zdisplay the 3D view of a structure (3D XYZ) Ctrl + Alt + 0

project a structure on XZ plane Ctrl + Alt + 1

project a structure on XY plane Ctrl + Alt + 2

project a structure on YZ plane Ctrl + Alt + 3

zoom in the structure view on screen Ctrl + Alt + A

display the initial view of the structure (defined by the initial an-

gles and scale)

Ctrl + Alt + D

exploded view of structure elements (on/off) Ctrl + Alt + E

zoom window Ctrl + Alt + Lturn on/off section drawing display Ctrl + Alt + P

screen capture Ctrl + Alt + Q

zoom out structure view on screen Ctrl + Alt + R

turn on/off section symbol display Ctrl + Alt + S

rotate continuously around the X axis Ctrl + Alt + X

rotate continuously around the Y axis Ctrl + Alt + Y

rotate continuously around the Z axis Ctrl + Alt + Z

delete a text or a drawing Del

call Robot Help system for the active option in the active dialogbox

F1

call text editor F9

reduce structure attributes (supports, numbers of nodes, bars,

loads) presented on screen

PgDn

enlarge structure attributes (supports, numbers of nodes, bars,

loads) presented on screen

PgUp


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3D FRAME STRUCTURE

Synopsis:

Te purpose o this example is to show the ease o definition, analysis and report

generation or a simple steel 3D rame in Robot.

For this example, it is assumed that Autodesk Robot Structural Analysis 2010 is in-

stalled on the PC.


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3CONFIGURATION OF THE PROGRAM


CONFIGURATION OF THE PROGRAM

Following installation o Robot, the user may configure the working parametersor Preerences. o do this:

Start the Robot program (click the appropriate icon or select the command rom

the taskbar).

On the opening window, displayed on the screen click the last but one icon

in the first row (Frame 3D Design). Other options are or 2d and 3d

rames, models with suraces such as walls and floors, access to stand alone de-sign modules etc.

Selectools > Preferencesrom the text menu or click on the , thena

icons on the toolbars to open the Preerences dialog box. Preerences allow the

user to set up working and printout languages, onts, colors etc.

Figure 1 - Regional settings in Preferences dialog box.

Select the first preerences option - Languages(tree on the lef part o the win-

dow), then as the Regional settingschoose United States.

1.

2.

3.

4.


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34 MODEL DEFINITION | Bars definition


Regional settingsset the default databases (profiles, materials), units and codes to the stan-dards of a country. In the example above, we have chosen American section database (AISC)and metric data units: [m],[cm], [kN].

NOTE:

Click Acceptto close the window.

You can check active units in right, bottom corner of the screen. In this example should bethe display: [m] [kN] [Deg].

NOTE:

MODEL DEFINITION

Bars definition (frame 2D)

In this step, you create rame members consisting o 2 columns and a beam.

Click icon (right side o the screen) to open the Barsdialog box.

Set Bar type: as Column whatever is selected is not important or analysis, but

affects the design parameters or subsequent member design, such a buckling

length, position o restraint etc.

Define Section: as W14x211.

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3MODEL DEFINITION | Supports definition


If theW14x211section is not available on the list, you should click the () button locatedbeside the Sectionfield and add this section from the database. In opened New sectiondialog box, in Section selectionfield for Database: AISC choose Family: Wthen Section:W14x211. Click Addand Closethe box.

NOTE:

There are many extra options that may be entered for fabricated mem-bers, tapering sections and also for beams that the user wants to defineas able to exhibit plasticity.

INFO

Enter the ollowing points in the BeginningandEndfield:

to define first column o rame: (0;0;0) and (0;0;3) Add

to define second column: (7;0;0) and (7;0;3) Add

Set Bar type: as Beam.


o define a beam in the structure, enter the ollowing points in the Beginningand Endfield: (0;0;3) and (7;0;3) Add.

Closethe Sectionwindow.

Supports definition

In this step, you create supports or the rame structure.

Click icon (right side o the screen) to open the Supportsdialog box.

o choose structure nodes, the user can either select a support type rom the list

and then select a node or nodes by click or window, or the user can directly input

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36


MODEL DEFINITION | 2-bay frame definition

the node number and apply. o make a window selection, press the right hand

mouse key and then the Selectmenu option and window around the nodes to be

supported and click inside the selection box.

From the Supportsdialog box select the Fixedsupport icon.

Click Apply.

2-bay frame definition

In this step, we create a 2 bay rame by mirroring the existing rame.

Select all bars (by window or CRL+A) and mirror them Edit > Edit > Vertical

Mirrorby vertical axis o the right column (just click on this axis).

There are many editing possibilities: copy, move, divide, intersect,rotation etc. to make modeling of structure easier and more effective.

INFO

Click icon (top o the screen) to show the whole structure.

o display bars and nodes numbers click icon (bottom lef corner o the

screen) then in the Display dialog box tick on Favorites > Node numbersand

Favorites > Bar description > Bar numbers.

Click Applyand OK.

Click , icon at the bottom o the screen to display supports symbol and

sections shape.

Te rame should appear as below:

3.

4.

1.

2.

3.

4.

5.

6.


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3MODEL DEFINITION | Load case definition


Figure 2 - Frame with supports and sections shape view.

Load case definition

In this step, you define load cases (their number, nature and description).

Click icon (right side o the screen) to open the Load ypesdialog box.

Click Newto define adead load(sel-weight) with a standard name DL1.

The self-weight load is automatically applied in the first row to all structure bars (in the Zdirection).

NOTE:

1.

2.


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38 MODEL DEFINITION | Loads definition for particular load cases


Choose in the Naturefield live, then Newto define a live loadwith a standard

name LL1. We have now defined 2 load cases.

Choose in the Naturefield wind, then Newto define awind loadwith a stan-dard name WIND1 (in the same way define WIND2). We have now defined

4 load cases.

Closethe dialog box.

Loads definition for particular load cases

In this step, you define loads or each created load case.

o define loads or LL1 case select the 2nd load case in the list o defined

cases field:

Figure 3 - Load case LL1 selection.

Click icon (right side o the screen) to open the Load Definition dialog

box.

On the Bartab click icon to open the Uniform load dialog box, then type

value o load -45.0in the pZfield, click Add (Uniform loaddialog box is auto-matically closed).

Select beam span (no.3) indicate them or just type 3in field Apply to.

Click Apply.

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3MODEL DEFINITION | Loads definition for particular load cases


On the Bartab click icon to open rapezoidal load dialog box, then type

values o loads and coordinates as shown below, click Addand close the box. Tis

generates a varying load on the beam.

Figure 4 - Trapezoidal load definition.

Select beam span (no.5) indicate the beam or just type 5in field Apply to.

Click Applyand close Load Definitiondialog box.

o define loads or WIND1case select the 3rdload case in the list o defined cases field.

On the Nodetab in Load Definitiondialog box click icon to open NodalForce dialog box, then type value o load 9.0 in the FXfield, click Addand close

the box.

Select the upper node o the lef column (no.2) graphically or by cross-window

or just type 2in field Apply to.

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40 MODEL DEFINITION | Loads definition for particular load cases



o define loads or WIND2case select the 4thload case in the list o defined cases field.

On the Bartab inLoad Definitiondialog box click icon to open Uniform

load dialog box, then type value o load -20.0in the pXfield (pY=0; pZ=0), click

Addand close the box.

Select the right column (no.4) indicate it or just type4in field Apply to.


Close theLoad ypesdialog box.

Click , icons at the bottom o the screen to turn displaying loads sym-

bols and loads values description on.

Te loads can also be seen in tabular orm click ablesicon (right side

o the screen) then tick Loadson or select View > ables > Loads command

(see below).

All tables in Robot can be exported to MS Excelby simply clicking theright hand mouse button in the table.

INFO

Figure 5 - Load cases data in tabular form.

In the list o defined load cases choose the load case or which the loads will be

displayed:

12.

13.

14.

15.

16.

17.

18.

19.

20.


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4MODEL DEFINITION | Loads definition for particular load cases


All defined loads cases will be displayed together (as shown below):

Figure 6 - All defined load cases view.

Copying existing frame

In this step, we copy the 2D rame to generate 3D structure. When we copy that rame,

all attributes attached to it (loads, sections, supports etc.) are also copied:

Click icon (top o the screen) to open the View dialog box, then

or choose View > Work in 3D > 3Dxyzrom the menu to select the isometric

structure view.

21.

1.


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42 MODEL DEFINITION | Copying existing frame


Click CRL+A to select all o the structure.

Editthen ranslation or select the Edit > Edit > ranslateoptionrom the pull-down menu to open the ranslationdialog box.

In ranslation vectorfield type coordinates as shown below (be sure that in Edit

modeoption Copy instead oMoveis checked on and Number of repetitionsis 1).

Figure 7 - Copy frame parameters definition.

Click Execute second rame should be display on the screen.

Close the ranslation dialogbox.

Click icon to show the whole structure. Te structure should look as

shown below:

2.

3.

4.

5.

6.

7.


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4MODEL DEFINITION | Definition of lateral beam


Figure 8 - 3D View of copied frame.

Definition of lateral beam

In this step, you define beams to join the selected rames together:

Click icon (right side o the screen) to open the Barsdialog box.

In Barsdialog box set Bar type: as Beam.


1.

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44 MODEL DEFINITION | Definition of cross bracings


If the W12x190section is not available on the list, one should click the ()button locatedbeside the Sectionfield and add this section to the active section list in the New section

dialog box.

NOTE:

In the fields Beginningand Endtype coordinates (as shown below) or simply select

beginning field and then graphically draw the start and end points o the member.

Figure 9 - Bars definition.

I entered by coordinates, ClickAddand close Barsdialog box.

Definition of cross bracings

Sections then New section definition or select the Geometry >Properties > Sections > New section definitionoption rom the menu to open

the New Sectiondialog box:

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4MODEL DEFINITION | Definition of cross bracings


Figure 10 - New section definition.

Select Section (L4x4x0.25) rom American section Database(AISC) as shown above.

ClickAdd - new section type will be added to the active Sectionslist.

Close New section definitionand Sectionsdialog boxes.

Click icon (right side o the screen) to open theBarsdialog box.

In Barsdialog box setBar type: as Simple bar.

Define Section: as L4x4x0.25.

In the fields BeginningandEndtype coordinates:

(14;0;3) (14;8;0)click Addthen (14;8;3) (14;0;0)and press Add. Or draw in the

GUI.

Close Barsdialog box.

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46 MODEL DEFINITION | Copying defined bars


Copying defined bars (lateral beam and bracings)

In this step, you copy the recently defined bars to finish the definition o the rame:

Select the three recently defined bars just indicate them (bars no.11,12,13) -

multiple selections can be made by holding down CRL key.

Editthen ranslation or select the Edit > Edit > ranslateoption

rom the menu to open the ranslationdialog box.

In ranslation vectorfield type coordinates: (-7;0;0)or select 2 points on the

screen that represent the translation vector such as the bottom o 2 columns (besure that in Editmode option Copyis checked on) and in Number of repeti-

tions type 2.

I entered by coordinate, click Executebutton then close ranslationand Edit

dialog boxes.

Te structure should look as shown below:

1.

2.

3.

4.

5.


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4STRUCTURE ANALYSIS


Figure 11 - Complete 3D frame structure view.

STRUCTURE ANALYSIS

Here we start the analysis process, but firstly we will tell Robot to make automatic

code combinations (rom any one o the list o Codes in Job Preerences):

Select Loads > Automatic Combinations option rom the menu to open the

Load Case Code Combinationsdialog box. Select the Full automatic combina-tionsoption. Te program will now automatically assign a number o combina-

tions to find the most onerous load combination.

Click OKbutton automatic calculation o code combinations will be done.

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48


RESULTS PREVIEW | Displaying beam results graphically

Calculations click this icon or select the Analysis > Calculationsoption

rom the menu to start calculation process.

Once the calculations are completed the inormation: Results (FEM): Availableshould be displayed at the top o the screen.

A key strength of Robot is the possibility to define a wide range of analysis types (linearstatic, non-linear geometry and material, buckling, modal analysis, harmonic analysis,seismic analysis, time history analysis etc.)If the user wishes to see these possibilities, he/she may look in the Analysis > AnalysisTypes > Change analysis type pull down menu.

However, for this simple example, we will just assume the default linear static type of analysis.

NOTE:

RESULTS PREVIEW

Displaying beam results graphically

In this step, we display Mybending moment on bars or selected load case:

Click icon at the bottom o the screen to switch off the section shape and

simply display a stick model or all members.

In the list o defined load cases choose the desired load case to display:

Select Results > Diagrams for Bars rom the menu to open

Diagramsdialog box.

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4RESULTS PREVIEW | Displaying beam results graphically


On theNMtab checkMy Moment(this shows the major axis bending moment

on the beams), then click Normalizebutton (to auto scale) and clickApplyto

display bending moments diagrams or all beams:

Figure 12 - Diagram of bending moment.

To display numerical values of internal forces in the Diagramsdialog box, click on tab Pa-rameters, Diagram descriptiontick labels and Apply.

NOTE:

In a similar way, diagrams that exhibit other values available rom the Diagramsdialog box can be viewed.

ick off MyMomentand Apply.

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50


RESULTS PREVIEW | Displaying results on bars in tabular form

Displaying results on bars in tabular form

In this step, you display internal orces or bars or particular load cases and combinations:

Select View > ablesto open ables: Data and Resultsdialog box, then tick on

ForcesandOKto view all inormation about internal orces (Values, Envelope,

Global extremes).

Figure 13 - Example of results presentation in tabular form.

In a similar way, tables that exhibit other values available from the Tables: Data and Resultsdialog box can be viewed.The tables can easily be exported to MS Excel (by right hand mouse click) and tables canalso be sorted by choosing certain load cases, member types etc. Advanced users can alsodefine groups and display results only for these groups. Column values may be placed inorder by simply clicking the appropriate column header, for example FX.

NOTE:

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5RESULTS PREVIEW | Stress analysis


Close the Forcestable.

Click icon at the bottom o the screen to turn sections shape back on.

Stress analysis

In this step, we learn how to obtain and analyze stress diagrams and maps or the entire

bar structure:

Switch layout to Stress Analysis - Structure. o do this go to the Robot layouts

selection combo-box (right top screen corner)

Click the Resultsoption and later the Stress Analysis - Structure.

Figure 14 - Layout selection pull-down menu (stress analysis selection).

Now the screen is divided into three main parts:the graphic viewer where the structure is displayed,the Stress Analysis -Structure dialog box to managing stress analysis. This dialogbox is used for selecting stresses and determining the manner of stress graphicalpresentationthe Stress Analysis -Structure results table to view actual values of stresses for bars

NOTE:

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52


RESULTS PREVIEW | Stress analysis

In the list o defined load cases choose the load case or which the results will be

displayed:

On the Diagrams tab located in the Stress Analysis - Structuredialog box select the

Maxoption rom the Misesfield, then Apply(the result should look as shown below):

Figure 15 - Stress analysis in diagram form.

This dialog box allows selecting a user-defined stress and a set of basic stress types: nor-mal, tangent, Mises and Tresca.

NOTE:

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5RESULTS PREVIEW | Stress analysis


On the Stress Analysis - Structuredialog box tick off the Max option rom the

Mises field, then Apply.

On the Maps - Deformationtab located in the Stress Analysis - Structuredialogbox tick the Deformationoption on, then Apply.

Stress Analysis for structure - maps- click this icon or select the Results

> Stress Analysis > Stress Mapsoption rom the menu to view the structure

together with section shapes and accurate detailed stress maps on these sections

(as shown in the figure below).

Figure 16 - Stress analysis in maps form.

The size of member sections in stress maps is by default greater than the real size of

member sections so that the stress maps presented for these sections are more readable.Real proportions between the member length and dimensions of the member cross sectioncan be obtained after pressing the Homekey on the keyboard. These proportions can bemodified using the following keys on the keyboard: PgUpand PgDn.

NOTE:

Close the Stress Analysis structure (3D View)window.

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54


PREPARATION OF PRINTOUTS | Capturing views and data

PREPARATION OF PRINTOUTS

Robot has a powerul built in report generator that allows the user to compile and

manipulate standard data, plus screen captures o graphical and tabular data.

Capturing views and data for the calculation note

In layouts selection combo-box (right top screen corner) switch to Startlayout.

Te picture o the model is shown on the screen with no other windows. Lets as-

sume we want to print this image.

Click icon (top o the screen on the standard toolbar) to open the Screen

Capturedialog box.

Figure 17 - Screen capture parameters definition.

In the above dialog box change Screen capture orientationto Horizontal and

type name o the picture as a Structure View.

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5PREPARATION OF PRINTOUTS | Preparing printout composition


The Screen capture updateenables the user to choose automatic update of screenshots this means that the images and data are automatically updated should the structure bechanged. Alternatively, they can be saved in JPG format.

NOTE:

ClickOKto close the box.

In the list o defined load cases choose the 2:LL1load case.

Click icon (top o the screen on the standard toolbar) to open the Screen

Capturedialog box.

In this dialog box change Screen capture orientationtoHorizontaland leave

name o the picture as a Structure Cases 2: (LL1).

Click OKto close the box.

In the same way prepare pictures: Structure Cases 3: (WIND1)and Structure

Cases 4: (WIND2)

Preparing printout composition

Here we prepare the layout o the report:

Click icon (top o the screen on the standard toolbar) to open the Printout

Composition - Wizarddialog box.

On the Standardtab, select report components (click them while pressing CRLkey) as shown below:

4.

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56


PREPARATION OF PRINTOUTS | Preparing printout composition

Figure 18 - Report components selection.

Click Add to transer the marked components to the right panel which shows the

actual layout o the printout.

On the Screen Capturestab select all screenshots.

Click Addto transer marked components to the right panel.

Using icons move particular components to the order shown below:

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5PREPARATION OF PRINTOUTS | Printing and exporting the calculation report


Figure 19 - Screen captures selection.

Printing and exporting the calculation report

In this step, we learn how to print and save the calculation note:

ClickPreview to display the report:

1.


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58


PREPARATION OF PRINTOUTS | Printing and exporting the calculation report

Figure 20 - Report preview.

Before printing of the report, save your project. In this case we save it as Frame 3D.Thanks to this operation actual information about project will be used to generate the docu-mentation (i.e. project name on the title page as shown above). To change this information(and many more) later we can use File > Project propertiesoption from the top menu.

NOTE:

Using buttons browse each page o the Report.

If you need to make some corrections to the layout or tabular content you can edit them

directly in this preview window. To do this, you should press icon (top bar) and doubleclick on the appropriate item to be edited. The general Robot window will be open, which al-lows the user to make changes or corrections. After that press button Return to Previewtocontinue the preview of the calculation report.

NOTE:

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5PREPARATION OF PRINTOUTS | Printing and exporting the calculation report


Click Page setup. Te PageandMargins tab allows the user to set various pa-

rameters.

Click Header/footer tab. In this tab you can define the look o the title page,header and ooter.

Figure 21 - Page setup settings.

Click OKto close the dialog box.

Close the preview o report printout window.

I desired, In Printout Composition Wizarddialog box click on Printbutton

to print all reports.

o save the calculation note, click on icon to export the report to .html

ormat, to export to .rt (MS Word) ormat or to save in .sxw (Open

Office) ormat.

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RC AND STEEL MIXED STRUCTURE

Synopsis:

Te purpose o this example is to show the ease o definition, analysis and

presentation o results or a 3D rame and shell structure (mixed RC and steel) in

Robot.For this example, it is assumed that Autodesk Robot Structural Analysis 2010 is installed

on the PC.


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6CONFIGURATION OF THE PROGRAM


CONFIGURATION OF THE PROGRAM

Following installation o Robot, the user may configure the working parameters

or Preerences. o do this:

Start the ROBO program (click the appropriate icon or select the command

rom the taskbar).

On the opening window, displayed on the screen click the first icon in

the first row (Frame 2D Design). Other options are or 3d rames and models

with suraces such as walls and floors, access to stand alone design modules etc

Select ools > Preferencesrom the text menu or click on the , thena

icons on the toolbars to open the Preferencesdialog box. Preferences allow the

user to set up working and printout languages, onts, colors etc.

Figure 1 - Regional settings in Preferences dialog box.

Select the first preerences option - Languages(tree on the lef part o the win-

dow), then as the Regional settingschoose United States

1.

2.

3.

4.


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64 MODEL DEFINITION | Definition of structural axes


Regional settings set the default databases (profiles, materials), units and codes to the stan-dards of a country. In the example above, we have chosen American section database (AISC)

and metric data units: [m],[cm], [kN].

NOTE:

Click Accept to close the window

You can check active units in right, bottom corner of the screen. In this example should be

the display: [m] [kN] [Deg].

NOTE:

MODEL DEFINITION

Definition of structural axes

In this step, we define a rectangular axis grid in the Cartesian coordinate system.

The axes of the structure create an additional grid which can be used todefine different elements of the structure and select structure compo-nents.

The grid intersections form points that facilitate the users work by guidingcursor movements during graphical structure definition.

INFO

Press icon (right side o the Robot screen) or select Geometry > Axis Defi-

nition rom the menu to open the Structural Axisdialog box.

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6MODEL DEFINITION | Definition of structural axes


On the Xtab in the Positionfield type -1 and press Insertbutton, in the same

way enter ollowing axis coordinates as shown below (Figure 2):

Set Numberingas A B C

On the Ztab in the Positionfield type 0and press Insertbutton, in the same way

enter ollowing axis coordinates as shown below (Figure 3):

Set Numberingas 1 2 3

Figure 2 - Definition of structural axis in X direction.

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66 MODEL DEFINITION | Definition of structural axes


Figure 3 - Definition of structural axis in Z direction.

Applyand Closethe Structural Axisdialog box.

Defined axes should appear as shown below:

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6MODEL DEFINITION | Section definition


Figure 4 - View of defined structural axis.

Section definition

In this step, we learn how to add new sections to the list o available sections.

Press icon (right side o the screen) or select Geometry > Properties > Sec-

tionsrom the menu to open the Sections dialog box.

Check presence o the ollowing sections:

CR30x30, BR30x60, W8x28, W10x45.

I the above sections are not present in the list o available sections press the New

section definition icon to open New Sectiondialog box.

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68 MODEL DEFINITION | Section definition


In the Sectiontype pull-down menu choose RC Column.

Figure 5 - New RC column definition.

Set 30in the band hfield, in the Labelfield column name: CR30x30will be au-

tomatically created and click Add(see above).

In the Sectiontypepull-down menu choose RC Beam.

Set30in the band 60in the hfield, in the Labelfield column name: BR30x60

will be automatically created, then press Add.

In the Section typefield selectSteel.

Set AISC in the Database field, W in the Family field and W 8X28 in theSection field.

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6MODEL DEFINITION | Bars definition


Figure 6 - New steel section definition.

Press Addto add defined section to the list o the active sections.

As beore, set AISCin the Databasefield, Win the Familyfield and W 10x45inthe Sectionfield.

Press Add, close New Sectionand Sectionsdialog boxes.

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Bars definition

In this step, we define a 2D rame using the previously defined sections.

Go to the Robot layouts selection box (right top corner o screen) and switch

layout to the Bars:

Figure 7 - Bars layout selection.

Go to the Barsdialog box and set: RC Column(Bar ype field), CR30x30 (Sec-

tion field).

Place the cursor in the Node Coordinates > Beginningfield, switch to the graph-

ic viewer and select graphically the beginning and end o the columns by means

o the coordinates o the intersection point o the defined axes: B1-B2, C1-C2,

D1-D2(see below):

1.

2.

3.


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Figure 8 - View of defined columns.

Set the ollowing options: RC Beam(Bar ype field), BR30x60(Section field).

Go to the Node Coordinates > Beginningand, as beore, indicate the beginning

and end o the beams: A2-B2, B2-C2, C2-D2, D2-E2(see below):

4.

5.


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Figure 9 - View of added beams.

Set the ollowing options: Column(Bar ype field), W8x28(Section field).


and end o the columns: A2-A3, C2-C5, E2-E3(see below):

6.

7.


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Figure 10 - View of added columns on the 2 nd storey.

Set the ollowing options: Beam(Bar ype field), W10x45(Section field).


and end o the beams: A3-C5, E3-C4(see below):

8.

9.


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Figure 11 - Finished 2D frame view.

Press , icons at the bottom o the screen to display supports symbols and

sections shapes.

Press icon at the bottom o the screen to open the Displaydialog box.

Select the Barsoption (lef panel) and tick Symbolsoff (right panel) to turn off

display o cross sections.

10.

11.

12.


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Figure 12 - Switch off bars symbols displaying.

Click Applyand OKto close the box. Frame 2D should look as shown below:

Figure 13 - 2D frame view with additional attributes - section shapes.

13.


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76 MODEL DEFINITION | Supports definition


Supports definition

In this step, we create supports or the rame structure.

Go to the Robot layouts selection box (right top screen corner) and switch layout

to Supports.

Go to the Supportsdialog box and select Fixedin the list o supports.

Move the cursor to the graphical view. Note that a support symbol is shown that

will allow the user to add supports to discrete nodes. o add to all nodes, press

right mouse button and select and drag window round the nodes that have

supports.

Click inside current selection box and apply.

Notice that the supports are also now shown in the tab.

Figure 14 - Nodes selection to supports definition.

1.

2.

3.

4.


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7MODEL DEFINITION | Load cases definition


You may also type the relevant supports numbers (1 3 5) into the Current Selectionfield and

apply.

NOTE:

Defined rame with supports should look as shown below:

Figure 15 - Frame with defined supports view.

Load cases definition

In this step, we define names and natures o all load cases.

Go to the Robot layouts selection box (right top screen corner) and switch layout

to the Loads.

5.

1.


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78 MODEL DEFINITION | Load cases definition


Figure 16 - Loads layout.

In the Load ypesdialog box click Newto define a dead load (sel-weight) with

a standard name DL1.

The self-weight load is automatically applied see the table (in the Z direction).

NOTE:

Click Newonce again to define a dead load with a standard name DL2.

Choose in the Naturefieldlive, then Newto define a live load with a standard

name LL1.

2.

3.

4.


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80 MODEL DEFINITION | Definition of loads for predefined load cases


Figure 18 - DL2 load type selection.

Press icon (right side o the screen) to open the Load Definitiondialog box.

On the Bartab press icon to open Uniformload dialog box, then type value

o load 10 [kN/m]in the pZfield, click Addand close the box:

Figure 19 - Uniform load definition for DL2 case.

Select beams (no. 4 5 6 7) indicate them or just type 4to7in field Applyto and

click Apply(as beore its possible to window them too)

2.

3.

4.


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8MODEL DEFINITION | Definition of loads for predefined load cases


Press icon at the bottom o the screen to turn display Load value

descriptions on.

Figure 20 - DL2 load case view.

o define loads or LL1case select the 3rd load case in the list o defined load

cases field.

On the Bartab press icon to open Bar Force dialog box, then type value o

load 20 [kN]in the FZfield.

On the Coordinate field leave x=0,50value (defined orce will be applied halway

along the member), click Addand Closethe box.

5.

6.

7.

8.


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82 MODEL DEFINITION | Definition of loads for predefined load cases


Figure 21 - Bar force definition for LL1 case.

Select beams (no.5) indicate them or just type 5 in field Apply to and click

Apply.

9.


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8MODEL DEFINITION | Definition of loads for predefined load cases


Figure 22 - LL1 load case view.

In the same way you may define or 4th:LL2load

Robot Getting Started Guide Eng 2010 Metric

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