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Structural-Acoustic Analysis with AbaqusAbaqus 2018
About this CourseCourse objectivesUpon completion of this course you will be able to:Pure acoustics analysisCoupled structural-acoustic analysisScattering and shock analysisMesh size and mesh density effects for different analysis proceduresAcoustic analysis output and postprocessingTargeted audienceSimulation AnalystsPrerequisitesThis course is recommended for engineers with experience using Abaqus. Some understanding of acoustics ishelpful but is not required.2 days
Day 1Lecture 1IntroductionLecture 2Acoustic PhenomenaLecture 3Modeling Acoustic Problems Using AbaqusWorkshop 1 Acoustic Evaluation of a Simple Air Duct SectionWorkshop 2 Acoustic Evaluation of a Small Vented Room
Day 2Lecture 4Coupled Structural-Acoustic AnalysisWorkshop 3 Truck Cab Acoustic AnalysisLecture 5Acoustic Scattering and ShockWorkshop 4 Underwater Shock AnalysisLecture 6Additional Examples
Additional MaterialAppendix 1Acoustic Theory
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Revision StatusLecture 111/17Updated for Abaqus 2018Lecture 211/17Updated for Abaqus 2018Lecture 311/17Updated for Abaqus 2018Lecture 411/17Updated for Abaqus 2018Lecture 511/17Updated for Abaqus 2018Lecture 611/17Updated for Abaqus 2018Appendix 111/17Updated for Abaqus 2018Workshop 111/17Updated for Abaqus 2018Workshop 211/17Updated for Abaqus 2018Workshop 311/17Updated for Abaqus 2018Workshop 411/17Updated for Abaqus 2018
Lesson 1: Introductionwww.3ds.com Dassault SystèmesLesson content:Acoustic Problem Types Possible with AbaqusGeneral CapabilitiesExamplesWeighted dB in Abaqus/ViewerSound transmission through a rubber door sealAcoustic radiation of a mufflerShip shock simulationTire design for noise reduction45 minutesL1.1
Lesson 2: Acoustic Phenomenawww.3ds.com Dassault SystèmesLesson content:PhenomenaGoverning Equations and AssumptionsAcoustics ModelingAcoustics TerminologyUseful Data and DefinitionsReferences45 minutesL2.1
Lesson 3: Modeling Acoustic Problems Using AbaqusL3.1www.3ds.com Dassault SystèmesLesson content:Acoustic PropertiesAcoustic Element TypesLoadsBoundary ConditionsExterior ProblemsExterior Problems using ImpedanceExterior Problems using Infinite ElementsCreating Acoustic Infinite Elements UsingAbaqus/CAEExterior Problems using PerfectlyMatched LayersAcoustics with Mean FlowAnalysis ProceduresDampingOutputAcoustic Contribution FactorsMaximum Element SizeExternal Meshed DomainsParallel ExecutionWorkshop PreliminariesWorkshop 1: Acoustic Evaluation of a Simple AirDuct Section (IA)Workshop 1: Acoustic Evaluation of a Simple AirDuct Section (KW)Workshop 2: Acoustic Evaluation of a Small VentedRoom (IA)Workshop 2: Acoustic Evaluation of a Small VentedRoom (KW)Both interactive (IA) and keywords (KW) versions of theworkshop are provided. Complete only one.4.5 hours
Lesson 4: Coupled Structural-Acoustic Analysiswww.3ds.com Dassault SystèmesLesson content:IntroductionNear-Field and Far-Field EffectsFully Coupled AnalysisSequentially Coupled AnalysisAcoustic-to-Structural SubmodelingCoupled Acoustic-Structural SubstructuresBoundary ImpedancesCreating ASI elements on geometryCreating ASI elements on orphan meshesWorkshop 3: Workshop 3: Truck Cab Acoustic Analysis (IA)Workshop 3: Workshop 3: Truck Cab Acoustic Analysis (KW)Both interactive (IA) and keywords (KW) versions of theworkshop are provided. Complete only one.2.5 hoursL4.1
Lesson 5: Acoustic Scattering and Shockwww.3ds.com Dassault SystèmesLesson content:Acoustic Scattering and Shock with AbaqusIncident Wave LoadingUNDEX LoadingUNDEX Example ProblemAir Blast LoadingWorkshop 4: Underwater Shock Analysis (IA)Workshop 4: Underwater Shock Analysis (KW)Both interactive (IA) and keywords (KW) versions of theworkshop are provided. Complete only one.3 hoursL5.1
Lesson 6: Additional Exampleswww.3ds.com Dassault SystèmesLesson content:SloshingAcoustics in Fibrous MaterialsSimple Expansion Muffler with Mean FlowHarmonic DistortionEffect of Surface Treatments on Room AcousticsNonlinear Structural BehaviorCoupled Piezoelectric and Acoustic AnalysisAcoustics of a Truck Cab: Fully Coupled AnalysisAcoustics of a Truck Cab: Sequential AnalysisSummary75 minutesL6.1
Appendix 1: Acoustic TheoryAppendix content:www.3ds.com Dassault SystèmesGoverning EquationsProperties of an Acoustic MediumLoads45 minutesA1.1
Coupled structural -acoustic analysis Scattering and shock analysis Mesh size and mesh density effects for different analysis procedures Acoustic analysis output and postprocessing Targeted audience Simulation Analysts Prerequisites This course is recommended for engineers with experience using Abaqus. Some understanding of acoustics is
