Altair’s Product Direction

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Solver Technologies

Uwe SchrammVP Product Technology

Outline

• Element of HyperWorks Vision• Solver Branding• RADIOSS, OptiStruct, MotionSolve• Solvers in HyperWorks 9.0• Solver Integration• Related Issues

Altair HyperWorks Vision

• Open System Architecture• Customization Framework• Simulation driven Design• Built on Optimization• Grid Computing Enabled• Data Management• Value Oriented Licensing

Modeling & Visualization

Finite Element Finite Element HyperMesh/HyperCrash

VisualizationVisualizationHyperView

Multi-Body DynamicsMulti-Body DynamicsMotionView

Finite ElementsFinite ElementsRADIOSS

Concept & DesignConcept & DesignOptiStruct

Multi-Body DynamicsMulti-Body DynamicsMotionSolve

Analysis Optimization Manufacturing

Multi-DisciplinaryMulti-DisciplinaryHyperStudy

ExtrusionsExtrusionsHyperXtrude

ForgingForgingAltair Forging

MoldingMoldingAltair Molding

Fr. Stir WeldingFr. Stir WeldingAltair Friction Stir Welding

CAE Data ManagementCAE Data ManagementAltair Data Manager

Altair HyperWorks Function Verticals

Process AutomationProcess AutomationAltair Process Manager

Sheet MetalSheet MetalHyperForm

Framework for Product Innovation

Aerospace Automotive Defense BiomedicalOil/Gas

Vertical Applications

RADIOSS selected as a strategic toolLong time experienceConfidence in Altair as viable partner

OptiStruct selected as a strategic tool for A350Based on successful employment for A380Will be used by all Airbus development centers and suppliers

Customer Successes

Solvers

Use OptiStruct/AnalysisConvenient use and high value of HyperWorksFreeing licenses of other software for non-linear analysis

"We compared OptiStruct and MSC/NASTRAN results and found good correlation for linear static, normal modes and frequency response analysis.”

Bill Broene, BROWN Corporation

Solver ReBrandingHyperWorks 9.0

• OptiStruct has become the de facto standard for structural optimization in various industries– E.g. used in the development of A380, Boeing 787 & JSF

• RADIOSS is recognized in the industry as high performance finiteelement solver for highly non-linear transient events

• OptiStruct will be Altair’s brand for Design and Optimization

• RADIOSS will be Altair’s brand for all Finite Element solvers

• MotionSolve will remain Altair’s brand for Multi-body Dynamicssolver

HyperWorks 8.0 HyperWorks 9.0

RADIOSS

OptiStruct/Analysis

MotionSolve

HyperStudy

Optimization Layer

OptiStruct, HyperStudy

Finite Element Solvers

Crash & Safety

Multi-body Dynamics

Fluid-structure Interaction

Linear Stress

Linear Dynamics

Buckling

Vibration

Thermal

Acoustics

OptiStruct

RADIOSSSolver Engine

RADIOSS

• Linear and non-linear finite element solver for structures, fluid, fluid-structure interaction, stamping and mechanical systems simulation

Linear Structural Analysis

Bulk Data (Nastran) Input

• Solutions– Linear static– Normal modes– Linear buckling– Frequency response– Linear transient response– Non-linear quasi-static contact– Coupled steady state

heat transfer-stress (9.0)– Acoustic frequency response (9.0)– Fatigue (9.0)– Sub-structuring, Component mode synthesis

• Typical linear material and element library• Direct solver, Lanczos eigensolver• Interface to AMLS eigensolver by

University of Texas• Nastran compatibility (takes Nastran input)

Non-linear Dynamic Analysis

Block Input Format

• Solutions– Highly non-linear (explicit) impact – Non-linear implicit (gravity, spring back)– Fluid-structure interaction (ALE)– Smooth Particle Hydrodynamics (SPH)– Transient heat transfer (Thermal conductivity) and

thermal-mechanical coupling (9.0)

– Transient (explicit) CFD

• Large displacements with nonlinear materials• Contact • 45 linear and non-linear materials• Advanced failure models• Typical element library• Superior scaling on multi-CPU computers• Obtain same results independent of the number

of processor on the same platform

Sheet Metal Stamping Simulation

Block and Bulk Data Input Formats

• Solutions– Incremental (explicit-implicit)– One-Step (inverse method)

• Accurate solution• Adaptivity in incremental method• Implicit gravity and spring back solution

Mechanical Systems Analysis

Bulk Data (Nastran) Input

• Solutions– Kinematics– Dynamics– Static– Quasi-static– Rigid to rigid body contact (9.0)– Flexible to rigid body contact (9.0)

• Finite element based modeling of mechanical systems

• Fully integrated flexible bodies• MotionSolve integrated

OptiStruct

• Design and optimization using finite element and multi-body dynamics analysis

• RADIOSS inside

Design and Optimization

• Design– Topology– Topography– Free Sizing

• Optimization– Sizing– Shape– Free Shape

• Multi-disciplinary optimization problems– Linear static– Normal modes– Linear buckling– Frequency response– Non-linear quasi-static contact– Multi-body dynamics with flexible bodies

MotionSolve

• Multi-Body Dynamics Analysis• Packaged with MotionView• Integrated with RADIOSS and OptiStruct

Multi-body Dynamics Analysis

XML Input

• Novel formulation• Solutions

– Kinematics– Dynamics– Static– Quasi-static

• Mixed 2D/3D• Flexible bodies• Contact• Higher pair joints• Sensors• User-Subroutines• Accepts ADAMS input

-1.6

-1.2

-0.8

-0.4

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0.4

0.8

1.2

1.6

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Time (Seconds)

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Radioss OptiStruct/Analysis MotionSolve

RADIOSS 9.0

RADIOSS Finite Element Analysis

MotionSolve 9.0

MotionSolve Multi-body Dynamics

Analysis

RADIOSS 9.0

OptiStruct 9.0

OptiStruct Multi-disciplinary

Optimization

Simulation Driven Design

• Multi-attribute simulation– Structure, fluid, thermal, fluid-structure,

thermal-structure– Linear, non-linear

(contact, material, geometry)– Implicit and explicit– Static (steady state), dynamic

• Verified solutions• Grid computing enabled and scalable• Best-in-class performance• Optimization enabled• Integrated into HyperWorks

Trends

• Long term trends– What was expert analysis becomes standard– Second order effects are taken into account– Multi-physics interaction is modeled– Simulation becomes commodity and solvers are comparable– Compute power becomes more available and plenty– Algorithms take over user interaction– Modeling practices converge

• Key issues– Massive parallel computation– Access to compute resources– Access to software licenses– Making decisions off simulation data

Altair SolversShort term

• Short term goals– Competitive solver offering

• Standard finite element analysis• Crash, impact and safety analysis• Multi-body dynamics analysis

– Optimization leader– Lead in performance– HyperWorks Integration– Provide high value to customers

• Means– Add features of high priority, esp. for linear dynamics and explicit-implicit

structural analysis– Verified solutions– Gridification, Scalability, Repeatability– Innovate– Value driven licensing

Altair SolversLong Term

• Long term goals– Provide comprehensive solver technology to address all simulation needs– Integrate methods and applications– Optimization driven design– Lead in performance– HyperWorks Integration – Provide high value to customers

• Means– Invest in new areas of analysis– Mix of solution methods– User friendlyness– Distributed computing, Parallelization, Gridification– Value driven licensing

Solver Technology 9.0 Performance

• Multi-domain explicit/implicit integration schemes• MPI Parallelization for buckling analysis• Faster Frequency Response Analysis• Faster incremental stamping simulation

– Adaptivity for sheet metal stamping– Single precision version for stamping

• New and faster DAE (Differentia Algebraic Equations) integrationscheme for Multi-body Dynamics– Confirmed speedup about 5-20 times

compared to competitionRAD2RADRAD2RAD

RADIOSS ARADIOSS A RADIOSS BRADIOSS B

GR1

RADIOSS CRADIOSS C

GR2GR2

GR1

Solver Technology 9.0 Expanded Functionality

• New Solutions – Fluid-structure coupling (Acoustic Frequency Response)– Steady-state Heat Transfer Analysis coupled with Stress Analysis– Transient (explicit) heat transfer (Thermal conductivity) and

thermal-mechanical coupling– S-N Curve Fatigue Analysis

• More features– New materials and failure models– Sub-modeling and sub-structuring

techniques – New contact algorithms in explicit analysis– New finite volume based airbag modeling– Non-linear flex bodies in MBD– Flex-to-rigid body contact in MBD

+ =

Stress Damage

Optimization Technology 9.0

Expanded Functionality

Free-Size Result

Resulting Size Optimization ModelHyperShuffle

• Composite Optimization– Ply based modeling – more process oriented than PCOMP(G)– New manufacturing constraints for free sizing– HyperShuffle for ply stacking sequence

• Free Shape Optimization – Geometric and manufacturing constraints– Shape bound defined by mesh

• Equivalent Static Load Method– Multi-body Dynamics with flexible bodies– Size, shape, free shape, topography

• Robust and Reliability-based Design– Integration of new data processing techniques

Solver Technology Long Term Initiatives

• Implicit non-linear analysis– Non-linear materials– Large deflections– Contact

• Adaptivity in stress analysis• Mixed explicit-implicit multi-domain integration schemes• Optimization

– Expand available disciplines as analysis becomes available– Topology optimization for MBD, Crash– Composites– Manufacturing constraints

• Solver integration

Solver Technology Integration

• Solver Integration– Common input format based on Bulk Data Format

• Linear FEA, MBD since 8.0• Crash, linear FEA after 9.0

– Sharing of Technology• Thermal results• Material models• Flexible bodies• Boeing Company Solver

• Integration thru Optimization– Equivalent Static Load Method– Response Surface optimization– Stochastic and DOE studies

Integration thru Optimization

NVHNVH

Safety

Safety

Manufacturing

Manufacturing

Driving

Driving

Handling

Handling

OptimizationOptimization

Integration thru Optimization

Vision

Input Reader

Pre-processor

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Optimizer

Workload Manager

Build on Optimization

Savings: Time; $$

The Traditional Design Process…

The Optimization Driven Design Approach…

Integrated into the Design Process

Integrated into the Release/Verification Process

PBS ProPBS Pro

Heterogeneous Compute Cluster

H EW LE T TP AC KA RD

Grid Computing Enabled

• PBS workload management

• Distribute jobs across clusters and heterogeneous networks

• Parallel computation is essential for robust design

• License management

• Parallel Performance

HyperWorks Integration

• Pre- and Post-processing Support– HyperMesh– HyperCrash (automotive crash analysis)– HyperForm (stamping)– MotionView– HyperView– HyperGraph

• Data Translation• Data Mapping• Analysis specific tools

– Dummies– Barriers– Safety tools

Open System

• Maintain Open Interfaces• Third Party Solver Support

– Finite Element Analysis: Abaqus, Ansys, LS-Dyna, Marc, Nastran, Permas– Multi-body Dynamics: Adams, Dads– CFD: Fluent, StarCD, CFD++

• Third Party Pre- and Post-processing Support– Pre-processing: ANSA, …– Post-processing: Animator3, …– Fatigue support: FEMFAT, nCode, FE-Safe

• CATIA Integration– HyperShape/CATIA – OptiStruct– HyperCrash/CATIA – RADIOSS (Automotive Crash)

PATENTEDHyperWorks LICENSING

Unit leveling offers a tremendous value to CAE orga nizations

Licensing

• Value oriented management of client’s assets– Basic analysis package at 25HWU

• Linear static, normal modes, linear buckling, steady state heat transfer

• Crash, impact on structure (up to 4CPU)• Stamping

– Simple degradation of number of Unitsfor massive parallel processing (MPP/SPMD)

• Usage based licensing• GridWorks Units (GWU)

– 1 HWU = 100 GWU– Inclusion of PBS Professional

• Partner products can license under GWU– More value to Altair’s clients – Partners have access to a large Altair install base

Summary

HyperWorks - The Engineering Framework for Product Innovation

Key Differentiators• Open System Architecture• Customization Framework• Simulation driven Design• Built on Optimization• Grid Computing Enabled• Data Management• Value Oriented Licensing