Altair MBD Solutions – Current Status & Future Directions Altair MBD ...

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Altair MBD Solutions – Current Status & Future DirectionsAltair MBD Solutions Altair MBD Solutions –– Current Status & Future DirectionsCurrent Status & Future Directions

Rajiv Rampalli

Altair Engineering, Inc.


Outline

• MotionSolve/MotionView - A Brief History

• MotionSolve and MotionView Highlights 9.0/10.0

• Where we want to go

• Conclusion


MotionSolve/MotionView - A Brief History

MV 2.0

MV 3.0

MV 5.0

MV/MS 5.1

MV/MS 6.0

MV/MS 9.0

MV/MS 8.0

MV 1.2

Time

MV/MS 10.0

1994•Adams Post-Processor• Templates•Reports

2002•Multiple Solver Support• PC port• Flex body support• Initial MotionSolve

2006•Next Gen. MotionSolve•DOE Support•Abaqus support• Customization with TCL

2008•DAE integrators•Deformable curves & surfaces• Flexible body contact• Enhanced statics/quasi-statics

2009•MS-Simulink interface• Context driven browser•Robustness• Speed

1999•Adams Pre-Processor•MDL library (auto)


Outline


• MotionSolve and MotionView Highlights 9.0/10.0


• Conclusion


Handling Multibody Models in 9.0

AltairMotionView

AltairHyperMesh

AltairMotionSolve

AltairHyperViewHyperGraph

AltairHyperStudy

AltairOptiStruct

1: BUILD 2: TEST 3: REVIEW 4: IMPROVE


MotionView 9.0

• Improved CAD / FE import:

• Converts CAD / FE to h3d

graphics

• Reads or calculates mass and

inertia information from CAD /

FE data

• Insert data into a specific or

new sub-system

• Generate MDL file with

location and orientation of

coordinate frames

• Additional options for users

familiar with HyperMesh


Default

MotionSolve 9.0 Solution Enhancements

• 3 DAE formulations implemented

• Index-3 formulation

• Stabilized Index-2 Formulation

• Stabilized Index-1 Formulation

• New integrator for formulations

• DASPK 3.0

• Many modifications for MBD systems

• New input language in <PARAM_TRANSIENT> Block

• Selection of integrator

• Error control

• Integrator behavior control


MotionSolve 9.0 Performance

Flexible Suspension Analysis (8.0 vs. 9.0)

ODE SI-1 SI-2 I-3

1X

12.5X13X

22.5X

Sp

ee

du

p

25

20

15

10

5

0


MotionSolve 9.0 Performance

4-Post Durability Simulation (8.0 vs. 9.0)

ODE SI-1 SI-2 I-3

1X

3.5X3.9X

6X

7

6

5

4

3

2

1

0

Speedup


Flex-body Contact in 9.0

Point to Deformable Curve

Point to Deformable CurvePoint to Deformable Surface

Rigid to Flex Contact


MotionSolve-Simulink Interface in 10.0

• MotionSolve as an S-Function in Simulink

• Co-Simulation

• Load any MotionSolve model and associated dlls

• Connect to multiple systems in Simulink

• Simulate in Simulink


Outline


• MotionSolve and MotionView 9.0 Highlights


• Conclusion


Where we want to go

• HyperWorks Managers – Domain specific verticals

• Managers Motivate Core MotionView Improvements

• Managers Core MotionSolve Improvements

• Close partnership with customers

• US/ Japanese Automotive OEMsVehicle Dynamics

• German OEMNVH

• US/Japanese Automotive OEMsDurability

• US/Japanese Automotive OEMsSuspension Design

PartnersPartnersManagerManager


HyperWorks “Manager” Initiatives

• Domains:

• Suspension design

• Durability

• NVH

• Handling & Ride

• Powertrain Meshing

• Model Assembly

• Focused on:

• Knowledge Capture & Re-use

• Enterprise Computing

• Open Architecture


HyperWorks Manager: Architecture

Core ModelingAnd Solution

Application &Process Components

ProcessApplication

ProcessProcess

ApplicationApplication

ApplicationDevelopment Tools


HyperWorks Manager: Components

• Library Manager

• Model and data catalogs within MotionView

• Versioning

• Search on meta-data

• File history

• Catalog management



• Model manipulation through the Browser


• TCL/TK for customization & GUI rendering


############################################################################

# Create the UI components in the window #

############################################################################

proc ::hw::pmgr::${::hw::pmgr::namespace}::DisplayWnd {} {

variable mainWnd;

variable id;

if {[WndExists] == 0} {

# Create the basic window with Apply, Next, Prev, Cancel buttons

CreateWnd "HWPM" "Apply"

}

::hyperworkdurability::fingerprint::Maingui $mainWnd

return 0;

}

############################################################################

# This method will be called when the "Apply" button is pressed #

############################################################################

proc ::hw::pmgr::${::hw::pmgr::namespace}::SetDataInDataModel {} {

variable mainWnd;

variable id;

}


HyperWorks Managers: Components

• Common Post-Processing

• 2D/3D plotting of different types

• Large scale, high quality animation

• Video for correlation

• Automated HTML reports

• Extreme customizability

• PowerPoint presentations


HyperWorks Managers: Components

• HPC & Grid Support


HyperWorks Manager: Durability

• Capture the end-to-end process

• First release in 2009

UnitStresses

Load History

LoadConditions

Measured Loads

Results

UnitStresses

Load History

LoadConditions

Measured Loads

Results

Demos:

• Crank• Bike• Half Car• Exacavator-1• Exacavator-2• Bus• Full Car


HyperWorks Manager: Suspension Design

• First release in 2009

• Modeling:• Subsystems

• Subsystem data in property files

• Dedicated GUI

• Systems

• Options within suspension systems

• Analyses:• General suspension load case, file based

• Many specialized events

• Dedicated GUI


HyperWorks Manager: Vehicle Dynamics

• Modeling:

• Full vehicle system

• Tire system

• Driver system

• Driveline system

• Brake system

• Dedicated GUI

• Analyses:

• Steady State events library

• Dynamic events library

• Event composition


Tires

2009RMOD-K

HW 10.0 SAFTIRE

???Swift & MF-Tyre

2009CD-Tire

Q4, 2008Pacejka (2002, 89)

Q4, 2008CTI & Tydex-STI

AvailabilityAvailabilityTire ModuleTire Module


• Legacy Data:

• A/Car property files automatically supported

• Support for Tiem-Orbit & XML formats

• Reuse without editing

• Legacy Models:

• Pre-processor: cdb2mdl utility• A/Car database (.cdb) � MotionView MDL translator

• Written in python

• Source code provided as part of installation

• Some editing required locally, especially for custom UDEs

• Solver• Built-in support for adm, acf, user-subroutine

• Custom user-interface:• Will need to be recreated

Adams Compatibility


Core MotionSolve

• Speed

• SMP based parallel-processing

• Scalable linear solvers

• Robustness

• Many formulations (ODE, DAE, SI2)

• Alternate solution methodologies

• Large set of modeling elements

• Ease-of-Use

• Close integration between MV & MS

• Good documentation & diagnostics

• Full Adams compatibility (acf/adm/.f)

• Generality

• Contact (Rigid & Flex)

• Nonlinear flex bodies

• Better controls solution


Outline


• MotionSolve and MotionView 9.0


• Conclusion


Conclusion

• Altair is committed to your success

• We have the vision to guide us

• We have the expertise to do it well

• We have the desire to succeed

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