FSI With SIMULIA And CD-adapco - MDX

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FSI with SIMULIA and CD-adapcoCD-adapco European ConferenceMarch 22-23, 2010

SIMULIACompany and ProductsMultiphysicsFSI - Abaqus & CD-adapco2

Company and Products3

Dassault Systèmes – The Brands3D LMCollaborationUserExperiencePhoto courtesy of BMWProductive, Easy- touse 3D rience

Vision & MissionSIMULIA is the Dassault Systèmes brand for realistic simulationVision: “Make simulation an integral business practice”Mission: “Be the leading provider of simulation solutionsfor engineering and scientific simulation”Provide Realistic Simulation solutions for all industries5

Solving Engineering Challenges for a Range of IndustriesConsumer Packaged GoodsLife SciencesPlastic and Glass FormingConveyor SystemsContainer DropPressure AnalysisThermal AnalysisBottle SealingAdhesivesTissue ModelingSurgical EquipmentStentsDrug DeliveryOrthopedicsMedical PackagingAerospace & DefenseAvionicsLanding GearAerostructuresAeroenginesCompositesDefense SystemsSpace SystemsAutomotive & TransportationHigh TechArchitecture & ssBrake SystemsPowertrainElectronicsThermal cycling of solder jointsDrop TestingVibration AnalysisSemiconductorsCircuit BoardsHand-held DevicesComputers & PeripheralsEarthquake loadingStructural integrity due to fireConcrete analysisSoil-pore interactionFailure limitsIndustrial EquipmentEnergyNonlinear Stress AnalysisThermal AnalysisCyclic LoadingFlexible Multibody DynamicsSoil-Structure InteractionWave loading on rigs and pipelinesPiping and pressure vesselsThermal analysisBlast loadingDrop or Impact

SIMULIA Product PortfolioUnified FEA solutions for all usersScalable Unified FEA products fordesigners and experts with robustAbaqus FEA qualityIncludes CATIA integrated analysisMultiphysics for the most challengingcustomer applicationsOpen Multiphysics platform and completesolutions for key problemsSimulation Lifecycle ManagementCollaborative environment to managesimulation processes, data and IP

Abaqus FEA AdvantagesComprehensive technologyComplete linear and nonlinear analysisComplex materialsRubber, plastics, powder metals, human tissue,soil, composites, etc.Sophisticated contact, fracture, andfailureImpact and crash eventsHigh-performance solversUtilize up to 256 cores for rapid turnaroundCourtesy of the DanaCorporation4 cores: 3 days128 cores: 4 hours9

Simulation Lifecycle Management (SLM)Bringing order to simulationManagement of data, methods, and processesConnecting users to each other and theenterpriseLeveraging simulation intellectual propertyCapturing simulation knowledge and related decisionsExtracting and reusing the built-in value of simulation activityOpen Scientific Platform to manageand deploy applicationsWorkflow chaining and job submissionConnector architecture for third-partyapplicationsWeb access10

IsightSimulation Automation & OptimizationProcess flows with Components:Execute multiple simulation studies automaticallyDistribute across compute resources with FiperEvaluate multiple design optionsMeet Quality TargetsDesign-to-target for attributesHandle variations (materials, loads, tolerances,and operating conditions, etc)Find the Best DesignWhich parameters drive targets?Trade-off design alternatives in real time11

Isight and STAR-CCM Chrysler study to minimize exhaust flow lossProblem: manual iterations too timeconsuming and final design may benon-optimalApproach: CATIA for parametricgeometry, STAR-CCM for pressuredrop simulation, Isight for processintegration and optimizationSTAR-CCM component generates amacro to update inputs, initialize andrun solution and extract outputsResult: Pressure reduced by 11% frominitial design12

SIMULIA EcosystemOver 100 alliance partnersIntegration programs for Abaqus,CATIA Analysis, and SIMULIA SLMNow also includes formerEngineous partnersPartial list ofComputing Platform Partners


MultiphysicsHow does SIMULIA define multiphysics?Multiphysics is the inclusion of multiple physical representations to capture realworld phenomenaCollection of individual physical phenomenaFull 3D physical “field” modelsStructures, flow, acoustics, EM, microstructures, chemistry, Simplified representation of physical phenomena1D models (heat, flow, circuits, connectors )Logical models for feedback or control mechanismsModes, substructures, matrices, Interaction between various physical phenomenaSequential simulation chains (EM- thermal- structural, submodeling, )Co-simulation (FSI, logical-physical, 1D-3D, multiscale, embedded, HIL )15

SIMULIA MultiphysicsAbaqus MultiphysicsNative multiphysics capabilitiesBroad range of physicsHave been available since the beginningExtended MultiphysicsSignificantly extends multiphysicsNew, high value-added technologyFully supported in Abaqus/CAEMultiphysics CouplingOpen scalable platform for partners and customersAllows best-in-class solvers to be combinedIncludes direct coupling and independent code-coupling via MpCCISimulation Automation and Optimization (Isight)Allows easy set-up and management of complex scientific workflowsProcess automation and optimization helps reduce overall analysis time16

Abaqus MultiphysicsBroad range hanicalThermal-Fluid-MechanicalStructural-Pore PressureUnified modeling approachSame data model, elementformulationsFully supported within aconsistent pre-postenvironment: Abaqus/CAE17

Extended Multiphysics: Coupled Eulerian Lagrangian (CEL)Powerful technique applicable to a broad range ofFSI problemsFluids and structures in the same model – tightestcoupling, fully unified modelingComplements traditional CFD-based FSILarge scale structural deformations anddisplacementsExtreme contact including self-contactDamage, failure, or erosion of the interfaceHigh-speed dynamic eventsTarget applications includeTire hydroplaning, airbag inflation, parachutedeployment, fuel tank sloshing, wave loading,product dispensing, impact and penetration, etc.18

FSI with CD-adapco19

Fluid-Structure InteractionFSI Coupling Spectrum* Graphic refers to complexity of interface coupling, not to complexity of the solution in the solid or fluid domain.Drug eluting stentsTire hydroplaningHeart valve analysisModel complexityHydromount responseValve dynamicsAirbags/parachutes deploymentHard disk drive dynamicsElastomeric flow devicesFuel tank sloshingEngine head thermalstress analysisWeak physics couplingAircraft/fan blade flutterHemodynamics of diseased arteriesDispensingVIV-Offshore risers/heatexchange tube bundlesStrong physics coupling20

Fluid-Structure Interaction: SummaryCurrent FSI ializedtechniquesMonolithicapproach6-DOF solverSimple FSIStructure representedin the fluids code as a6 DOF entityCompliancematrix/eigenvalue approachto solving thestructuralproblem inside afluids codeStaggered Approach(Explicit/Implicit)Suitable for rigidbody motions in afluid.Suitable for linearstructuralproblemsStaggered Approach(Explicit/Implicit)Suitable for problemswhere structuralmodeling is toocomplex ordeformations aresignificantSuited for all couplingphysics problemsExamples: ICengines, rigid valvemovementExamples:Sloshing, vortexinducedvibrationsStaggered Approach(Explicit/Implicit)Examples: TirehydroplaningExamples: All1.SPH: Meshlessmethod2. CEL (CoupledEulerian-LagrangianAbaqus - Star-CCM Abaqus/ExplicitSingle set ofequations for the fluidand structuraldomains

FSI Coupling EvolutionIndependent codecoupling interface Enabled through MpCCI fromFraunhofer SCAI Allows coupling Abaqus with allcodes supported by MpCCISIMULIA DirectCoupling Interface(DCI) Enables Abaqus to couple directlyto 3rd party codes Currently in maintenance mode Will eventually be replaced by CSESIMULIA Cosimulation Engine(CSE) SIMULIA’s next generation opencommunications platform thatseamlessly couples computationalphysics processes in a r CFDcodesAbaqusAcuSolveSTAR-CDFlowvisionOther CFDcodesSIMULIA Co-simulation EngineAbaqus/Abaqus/StandardExplicitStar-CCM OtherCodes

Abaqus/STAR-CCM : BenefitsNew SIMULIA Co-Simulation EngineDirect coupling between Abaqus solvers and STAR-CCM Proven algorithms for nonlinear structural mechanics and CFDInteractions between structures and fluid flow that affect real-worldengineering applicationsEnhance collaboration between diverse disciplinesor different engineering groupsPolyhedral faces allowed at mesh interfaceSmooth restarting from coupled or uncoupled runsIncludes features to clip forces and ramp loads to reduce initialtransient instabilitiesLaunched from CCM Environment

Abaqus/STAR-CCM : Some examplesFlexible flap in windBox dropped in waterAnti-lock braking systemExhaust manifold


SummaryCD-adapco is a strategic SIMULIA partnerWorking closely with CD-adapco to meet the needs our customersBy providing flow solutions to our CATIA, Isight & Abaqus communitiesBy providing the leading FSI capability available todayMultiphysics is a core component of the SIMULIA product strategyGoal: Establish SIMULIA as the scalable multiphysics solution andplatform provider to meet our customer needsStatus: Continue to expand the range of multiphysics solutions deliveredthrough Abaqus and with key partners26

Abaqus/STAR-CCM : Benefits New SIMULIA Co-Simulation Engine Direct coupling between Abaqus solvers and STAR-CCM Proven algorithms for nonlinear structural mechanics and CFD Interactions between structures and fluid flow that affect real-world engineering applications Enhance collaboration between diverse disciplines or different engineering .

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