Femap Overview of Capabilities

Femap Overviewp

© 2009. Siemens Product Lifecycle Management Software Inc. All rights reservedSiemens PLM Software

Aerospace CAE Using NX Nastran and FemapAerospace CAE Using NX Nastran and Femap

NX Nastran and Femap are aerospace-standard productsNX Nastran and Femap are used by aerospace companies, large and smallUsed in airframe, space systems, aero engines, and aerospace components

Both products have a large installed baseNX Nastran > 220 000 licensesNX Nastran > 220,000 licensesFemap > 60,000 seats

Both products work seamlessly togetherTight integration between NX Nastran and Femap

NX Nastran and Femap are cost effectiveLow cost of acquisition and maintenanceLow cost of acquisition and maintenanceEasy to learn and quick to implement in a commercial environment

Both products continue to be enhanced to meet the needs of CAE users

Page 25© 2008. Siemens Product Lifecycle Management Software Inc. All rights reserved

Siemens PLM Software

Femap DefinedFemap Defined

Leader in cost effective high performance Finite Element Analysis (FEA) simulation with native Windows ease of usesimulation with native Windows ease of use

Geometry import, creation, idealization and visualizationHigh performance meshing tools that can accurately and efficiently model real world structuresComprehensive results presentation tools

Sets new standards in open simulationCAD independent leveragesCAD independent – leverages the Parasolid modeling kernelSolver independent – high level Nastran integration



Courtesy of Evektor Aerotechnik

Independent Modeling SolutionIndependent Modeling Solution

NXI DEAS

loads,constraints,

internalsolver

resultsinterpretation &I-DEAS

Solid EdgeSolidWorksAutoCADMicroStation

NX Nastran TMG

,materials technologies

pcorrelation

Engineering KnowledgePro/ECATIA v4/v5

CAD

MSC.Nastran ABAQUS ANSYS LS-DYNA SINDA ...CAD SINDA ...

FemapFemapResultsSolvers



Femap – Real FEA Made EasyFemap Real FEA Made Easy

World’s leading Windows-based CAE environment

Dedicated tool for engineering analysisWritten by engineers for engineersWritten by engineers for engineers

Widely used by the world’s leading engineering organizationsengineering organizations

Over 60,000 licenses, all industries, all company sizes

Powerful in-depth functionality Solves challenging engineering problems quickly and easily Courtesy of RUAG Aeropace, Sweden



Femap Development Focusp p

Key areas of continued product enhancements:CAD access and preprocessingAnalysis scalabilityPostprocessingp gUser interfaceCustomization



CAD Access and PreprocessingNeutral CAD Data AccessNeutral CAD Data Access

You have the design modeled in your 3D CAD systemU h CAD d b i f i l i d lUse the CAD data as a basis for a simulation modelEmploy one FE modeling system in a multi-CAD environment

Femap can read CAD data from a wide variety of sourcesFemap can read CAD data from a wide variety of sourcesSolid Edge and SolidWorks interoperability

Solid EdgeCAD Neutral

Parasolid, ACIS,

g

NX

I-deas

STEP, IGES, VDA, DXF SolidWorks

CATIAAutodesk



CATIAPro/Engineer

CAD Access and PreprocessingGeometry CleanupGeometry Cleanup

Meshing toolbox locator – curves/surfaces

Short edges– curves/surfaces

Small surfaces, slivers, spikes



CAD Access and PreprocessingGeometry Cleanup (contd.)Geometry Cleanup (contd.)

Interactive geometry manipulationmanipulation

Combined / composite curves

Combined / boundary surfaces



CAD Access and PreprocessingGeometry Cleanup (contd.)Geometry Cleanup (contd.)

Meshing toolbox feature suppression and removalQuickly remove unnecessary featuresAutomatic suppression for small insignificant featuresSimplifies FE model minimizingSimplifies FE model minimizing element creation



Reasons to Buy Femap Geometry CleanupGeometry Cleanup

Geometry splittersOffset curves around

multiple curves

Washer – with and without split lines

Pad with mapped meshing



CAD Access and PreprocessingAssembly Modeling

Femap offers a variety of connection methodsLinear and nonlinear contact with or without friction

Assembly Modeling

Linear and nonlinear contact with or without frictionGlued connection

Automatic contact detectionAutomatic contact detection with easy editing of contact

method and properties

Easy contact visualization with selective transparency



CAD Access and PreprocessingAssembly Modeling (contd.)Assembly Modeling (contd.)

Fastener modeling

Analysis with pre-loaded bolts

modeling

Glued connection

Linear contact

Link and Pin Linear vs. Glued Contact

Appropriate selection for contact modeling is crucial

as different methods will yield vastly different results



σmax = 50,500 lbf/in2 σmax = 78,800 lbf/in2

CAD Access and PreprocessingPowerful Modeling ToolsPowerful Modeling Tools

Shell and beam modeling and visualizationShrink elementsShrink elementsVisualize shell thicknesses and beam cross-sectionsVerify correct beam orientationyVisualize offsets

Preprocessing functionalityLoads and constraints can be appliedLoads and constraints can be applied directly to geometryPartition solids, define regions and hard points



CAD Access and PreprocessingShell Meshing on Mid-PlanesShell Meshing on Mid Planes

Mid-plane extraction and shell meshing allows smaller yetallows smaller yet

more accurate models to be analyzed

And still only one element through the thickness –

Shell model created from

which will yield poor

results

a solid using mid-plane extraction



CAD Access and PreprocessingData SurfacesData Surfaces

Data surface editorComplex load definitions set up and editingComplex load definitions set up and editingLoad generation dialogs allow set up on the fly

Various topologies and methodsp gOne-dimensionalTwo-dimensionalThree-dimensionalOutput map data surfaceOutput map data surface

Solid CFD resultsmapped to shell mesh



CAD Access and PreprocessingBeam ModelingBeam Modeling

Section properties calculated

automatically for a given cross section

Beam section can be displayed to easily verify orientation and offsets etc.

Section properties editor – use

sections from a



library or create one from scratch

CAD Access and PreprocessingComposites ModelingComposites Modeling

Laminate properties updated live in the Entity

I fInfo pane

Composite modelingComposite modeling supported by groups –helps view, organize,

manipulate plies in the model

Layup editor – copy,

model

rotate plies, edit ply properties

Layup viewer



CAD Access and PreprocessingMaterial PropertiesMaterial Properties

Support for isotropic and anisotropic materials

Save material data in a material librarymaterial library

Define composite materials and laminatesand laminates

Nonlinear materialsIncluding plastic, creep, g p , p,hyperelasticFunction dependent (time, temperature)



CAD Access and PreprocessingIntelligent Automatic MeshingIntelligent Automatic Meshing

Geometry sensitiveGeometry sensitive triangle surface meshing

Quad dominant automatic shell meshings e es g

High-speed robust



g ptetrahedral meshing

CAD Access and PreprocessingPowerful Meshing ToolsPowerful Meshing Tools

Semi-automatic hex meshing tools

Subdivide solid into hex-meshable regionsRecognizes extrudable areas

Automatically connects adjacent regions to complete meshp



CAD Access and PreprocessingDetailed Model CheckoutDetailed Model Checkout

Clear, visible and detailed model checkout ensures model correctness prior to analysis

Interactive element quality feedback during meshing operations Coincident nodes and merge optionsCoincident nodes and merge optionsCoincident elementsFree edges and facesLoads and constraintsLoads and constraintsSum forcesMass properties



Analysis ScalabilityOpen SimulationOpen Simulation

For advanced applications it is often required to access various solvers with specialized analysis expertise

Femap can access all major commercial solvers for analysis and results review post analysis allowing you to remain in one modeling environmentreview post analysis allowing you to remain in one modeling environment

Nastran is the preferred solver with a high level of Nastran integration

NX Nastran

TMG

MSC.NastranNEi Nastran

TMGLS-DYNA

ANSYSSinda



ANSYS ABAQUSSolver independent

Analysis ScalabilityScalable SimulationScalable Simulation

Often several types of analysis have to be consideredDynamic effectsDynamic effectsNonlinearThermal / temperature

Femap offers analysis scalability with a scalable product line - the base module includes the following analysis types:

Linear staticsNormal modesBucklingHeat transferBasic nonlinearBasic nonlinearLinear contactGlued connectionCWELD fastener connectorsB lt l d



Bolt pre-loadsFast iterative solver

Analysis ScalabilityPowerful Analysis FunctionalityPowerful Analysis Functionality

Femap with NX Nastran add-on modules include:DynamicsOptimizationAdvanced NonlinearSA ToolkitSA ToolkitSuperelementsAeroelasticityDMAPDMAP

Advanced nonlinear – beam analysis with contact and nonlinear materialscontact and nonlinear materials



Structural analysis toolkit

Analysis ScalabilityAdvanced Solver ModulesAdvanced Solver Modules

Femap thermal solverComprehensive heat transfer simulation package

Femap advanced thermal solverFemap advanced thermal solverAdvanced suite of thermal simulation extensions to the Femap thermal solverthermal solver

Femap flow solverFully integrated and comprehensive y g p3D computational fluid dynamics (CFD) solution



Analysis ScalabilityScalable Product ConfigurationScalable Product Configuration

Femap Express within Solid EdgeFemap standalone – pre- post only, no

Femap Express within Solid Edge

Femap Standalone

solverCustomer has Nastran or another solver on a server

F ith d d l

CATIA V5 Access

Femap Thermal Solver

Femap Advanced Thermal SolverFemap with advanced solvers

Thermal analysis and CFDFemap with NX Nastran – bundled solution

Femap with NX Nastran

Dynamics

Femap Flow Solver

solutionComplete self-contained solution for basic analysis

Add on NX Nastran for Femap solverSuperelements

Optimization

Dynamics

Add on NX Nastran for Femap solver modules

Add on more advanced types of analysis

Aeroelasticity

DMAP

Rotor Dynamics



Advanced Nonlinear

Structural Analysis Toolkit

PostprocessingComprehensive Postprocessing Tools

Postprocessing functionality that allows an efficient investigation of

Comprehensive Postprocessing Tools

allows an efficient investigation of results data to gain an understanding of the model behavior as quickly as possibleq y p

AnimationDynamic cutting planeDynamic isosurfaceDynamic isosurfaceFull output controlFlexible results selectionGrid point forcesSupport for BMP, JPG, WMF, AVI, and VRML file creationJT file creation



PostprocessingComprehensive Postprocessing Tools (contd.)Comprehensive Postprocessing Tools (contd.)

Free body diagrams show the running loads through the

Beam diagrams allow correct

loads through the structure

interpretation of bar/beam output

The data table facilitates result



The data table facilitates result data manipulation and viewing,

as well as report creation

PostprocessingComprehensive Postprocessing Tools (contd.)Comprehensive Postprocessing Tools (contd.)

Full control of results selection

Full control of results viewing after analysis

results selection before analysis

viewing after analysis

Plate results support double sided contours,

view plate pthickness with

contours

XY plotting



supports multiple curves

User InterfaceUser Interface OverviewUser Interface Overview

Native Windows UI

Floating, dockable customizable toolbars

Model tree view with context

Multiple document Top level entity

sensitive actions

(model) interfaceeditor with direct access to Femap entities

Editable messages Window with

support for fonts, l d tiData table and analysis



colors, and pasting of images

Data table and analysis monitor windows also

available

User InterfaceUser Interface Overview (contd.)User Interface Overview (contd.)

Flexible workflows

Model and analysis data

Work either through the menus, icon bars or model Info tree

accessible through model tree

View and work on multiple models in the same application

Icons let you jump to related dialogs on the fly

Easy access to modeling or results data with specialized panes like the data table



related dialogs on-the-fly –e.g. create materials while

in the properties dialog

CustomizationPowerful Customization ToolsPowerful Customization Tools

Full API customization available supporting all functionality exposed via OLE/COM for access by any programming environment and/or Windows programs

Complete programming environment inside the

Femap UI

Access to all delivered API programs and utilitiesprograms and utilities

Macro capability allowing record /



p y gedit / playback / debug keystrokes

to automate repetitive tasks

Femap Summary – Real FEA Made EasyFemap Summary Real FEA Made Easy

Easy to use intuitive user interfaceIncreased productivityIncreased productivity –earlier to marketReduced learning curveReduced training overheadg

Cost effective solution The best price / functionality ratio in the industryratio in the industry

Scalable to solve the most complex engineering problems

High quality solution that ensures accurate results and robust usage

By bringing analysis closer to design, Femap speeds up time to market and helps transform the process of innovation



and helps transform the process of innovation

Femap Overview of Capabilities

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