課件說明成果fsi-l01intro

1、Lesson content:SIMULIA MultiphysicsFluid-Structure InteractionMultiphysics CouplingTarget ApplicationsSoftware SuiteExamplesLesson 1: Introduction45 minutesSIMULIA Multiphysics (1/4)Multiphysics involves the inclusion of multiple physical representations to capture the diversity of behavior present

2、in real-world problemsMultiphysics solutions offered by SIMULIA broadly falls into three different areasAbaqus Multiphysics Native multiphysics capabilities available in Abaqus Broad range of physicsExtended Multiphysics Extended multiphysics capability CEL, SPH in Abaqus/Explicit Abaqus/CFDMultiphy

3、sics Coupling Open scalable platform for partners and customers Co-simulation engine Native FSI capability Coupling with third-party CFD codesMultiphysics simulation requirements spans every industry and nearly every real applicationMultiphysics simulation is often required for Realistic SimulationS

4、IMULIA Multiphysics (2/4)Abaqus enables coupling of multiple fields, including:Courtesy: Honeywell FM&TTire noiseUltrasonic motorBall grid array Earthen DamThermal-Mechanical Structural-AcousticPiezoelectric Fluid-Structural Structural-pore fluid diffusion Thermal-Electrical FuseButterfly valveSIMUL

5、IA Multiphysics (3/4)Extended multiphysicsAortic Aneurysm Airbag inflationTire HydroplaningElectronic CoolingAbaqus/CFDCoupled Eulerian-Lagrangian (CEL) technologySmoothed Particle Hydrodynamics (SPH) technologyBallistic Impact w/ fragmentationviolent fluid flowSIMULIA Multiphysics (4/4)Multiphysics

6、 couplingCo-simulation Engine (CSE)SIMULIAs next generation open communications platform that seamlessly couples computational physics processes in a multiphysics simulationPhysics-based conservative mapping technologySuperior coupling technologySIMULIA Direct CouplingEnables Abaqus to couple direct

7、ly to 3rd party codesCurrently in maintenance modeIndependent code coupling interfaceEnabled through MpCCI from Fraunhofer SCAIAllows coupling Abaqus with all codes supported by MpCCIAbaqusAcuSolveStar-CDFlowvisionOther CFD codesMpCCIAbaqusStar-CDFluentOther CFD codesSIMULIA Co-simulation EngineAbaq

8、us/StandardAbaqus/ExplicitAbaqus/CFDOther CFD CodesStar-CCM+Fluid-Structure Interaction (1/3)What is Fluid-Structure Interaction or FSI?FSI represents a class of multiphysics problems where fluid flow affects compliant structures, which in turn affect the fluid flowInk droplet formation and discharg

9、e from a piezoelectric inkjet printer nozzleFluidPressureVelocityTemperatureStructureDisplacementElectricalPressureVelocityDisplacementTemperatureTemperatureTemperatureFieldsFieldsElectricalFluid-Structure Interaction (2/3)What is Fluid-Structure Interaction or FSI?FSI represents a class of multiphy

10、sics problems where fluid flow affects compliant structures, which in turn affect the fluid flowContactVacuum removal of paper trimFluidPressureVelocityTemperaturePressureVelocityTemperatureFieldsStructureDisplacementElectricalDisplacementTemperatureTemperatureFieldsElectricalFluid-Structure Interac

11、tion (3/3)FSI ApproachesLinear Structures ApproachAssumption 1: Linear solid/structural deformationAssumption 2: Eigenmodes sufficient to represent the dynamic behavior Projection of dynamic system into the EigenspacePartitioned ApproachStructural and fluid equations solved independently Interface l

12、oads and boundary conditions exchanged after a converged incrementSpecialized TechniquesCoupled Eulerian-Lagrangian approachContact complexity at interfaceStructural SolverFluid SolverThis course focuses on the Partitioned ApproachMultiphysics Coupling (1/3)Independent Coupling InterfaceAbaqus inclu

13、des support for MpCCICode Coupling Interface from Fraunhofer SCAIEnables coupling to CFD codes supported by MpCCI (Abaqus interface to MpCCI is blind to the third-party CFD code)Product support:MpCCI link to STAR-CD is supported by CD AdapcoAbaqusMpCCIFLUENT Multiphysics Coupling (2/3)Direct Couplin

14、g Interface SIMULIA offers a Direct Coupling Interface which enables direct coupling to SIMULIA partner productsCurrently in maintenance modeEnables FSI with STAR-CD (CD Adapco)AcuSolve (ACUSIM Software)FlowVision (Capvidia)Coupling with these products is supported by the respective third partiesMul

15、tiphysics Coupling (3/3)Co-simulation Engine (CSE)SIMULIAs next generation open communications platform seamlessly couples computational physics processes in a multiphysics simulationEnables Native FSI with Abaqus using Abaqus/CFDFSI with STAR-CCM+ (CD Adapco)For more information on the native FSI c

16、apability in Abaqus, please consult the Introduction to Abaqus/CFD lecture notesCSEAbaqus/Standard, Abaqus/ExplicitAbaqus/CFDAbaqusSTAR-CCM+CSETarget Applications (1/4)Application attributesTime-domain responseIncluding steady-state responseDistinct fluid and structure domainsThe interaction between

17、 the domains is through user-identified surfaces/zonesGeometric consistency of modelsModels need to be co-located Consistent geometry idealizations on fluid and structural sidesCoordination of unit systemTarget Applications (2/4)AutomotiveThermal-stress analysis of engine, exhaust manifold, cooling

18、jacketsDesign of Formula I racecarsHydraulic engine mounts, disc brake system, ABS, shock absorbers Aerospace/defenseAirflow around wingCombustion-driven propellant ablationPower/gasSloshing in gas tankPipelines, risersHeat exchangers (nuclear power)Equipment designPumpsElectronicsCooling of electro

19、nic componentsManufacturing of integrated circuitsRubberFlow limiters, sealsTire hydroplaningConsumer productsAirflow and high-speed manufacturingApplication of adhesivesAir-driven media (copiers)MEMSInkjet nozzlesMedicalHeart valves, blood flowTarget Applications (3/4)Applications not targetedVibro

20、acousticsMore effectively treated by frequency domain methodsStructures modeled with rod, beam, truss, cable elementsInconsistent geometry idealizationsInjection molding, casting, superplastic formingIndistinct or changing fluid/structure interfaceRupture, penetration, fragmentationVariable fluid re

21、gion topologyTarget Applications (4/4)UsageWe expect this capability to be utilized by companies or individuals who have experience in FE and CFD analysesIn most cases such analysis will require collaboration between the structures and fluids analysis groupsSoftware Suite (1/5)Independent Coupling I

22、nterfaceCo-simulation enginePlease visit for details on version compatibilities between Abaqus and third-party codes AbaqusFLUENTMpCCIAbaqusSTAR-CCM+Software Suite (2/5)Software detailsAbaqus/Standard and/or Abaqus/Explicit The MpCCI code adapter for Abaqus is built into AbaqusFor more information,

23、see MpCCI For more information, see FLUENT For more information, see STAR-CCM+ For more information, see Software Suite (3/5)Platform supportA coupled simulation can be run across heterogeneous computer platformsThe software components do not require matching platform configurations For latest infor

24、mation on platform compatibility check LicensingAll component licensing is managed using FLEXlm licensingAbaqus requires an enabling feature in the licenseEach co-simulation job may be charged an additional license tokenInstallationPerl, Java, and MPICH (on Windows) should be installed prior to inst

25、alling MpCCIThese are available as optional downloads from the MpCCI download siteInstallation instructions:MpCCI Installation GuideSoftware Suite (4/5)Documentation provided by Dassault Systmes Simulia Corp. Abaqus Users Guide for Multiphysics Knowledge Base Article QA : Using Abaqus and MpCCI Abaq

26、us Users Guide for Fluid-Structure Interaction Knowledge Base Article QA : Using Abaqus and FLUENTKnowledge Base Article QA : Installing CSE librariesAbaqus Analysis Users Guide (section 17.1)Abaqus Verification Guide (section 3.21.1)Abaqus Example Problems Guide (section 2.4.1)The following users g

27、uides pertain to Abaqus 6.9 and earlierKnowledge Base Article QA : Using Abaqus and AcuSolve Knowledge Base Article QA : Using Abaqus and STAR-CDSoftware Suite (5/5)Additional documentation from third-party software providersDocumentation provided by Fraunhofer SCAIMpCCI ManualsInstallationGraphical User Interf