工程机械动态仿真智慧树知到课后章节答案2023年下长安大学

工程机械动态仿真智慧树知到课后章节答案2023年下长安大学长安大学

绪论单元测试

HowmanyapplicationsinCAEdomains?

A:FiveB:FourC:TwoD:Three

答案:Three

What’sthekeypointthatanyenterprisesmustfaceandsolve?

A:otheraspectsB:howtoimprovetheeffectiveutilizationofequipmentC:howtoachievesuchamultidisciplinaryintegrationoftherapiddevelopmentofproductsD:howtoreducecosts

答案:howtoachievesuchamultidisciplinaryintegrationoftherapiddevelopmentofproducts

Contemporaryconstructionmachineryisakindofproductthatintegratesdisciplinesinmanyfieldssuchas

A:machineryB:powerdriveC:automationD:unmannednavigationE:computervision

答案:machinery;powerdrive;automation;unmannednavigation;computervision

Commonlyknownsimulationtechniquesinclude

A:VisualStudioB:CADC:CAED:CAM

答案:CAD;CAE;CAM

wecanconcludethattheintegrationofmultipledisciplinesisthemainstreammarketdemandsofcurrentandfutureconstructionmachinerydesign.

A:错B:对

答案:对

第一章测试

Whatisthefirststepinkinematicanalysis

A:alltherequireddisplacementvariablesaredeterminedB:velocityanalysisC:determinetherespectivevelocitiesofthebodiesD:accelerationanalysis

答案:alltherequireddisplacementvariablesaredetermined

BasedontheseFEMS,thereare___choicesintheAdamsanalysistodefinethecontactbehaviorofthegearpair.

A:twoB:fourC:oneD:three

答案:three

Whatmodulesareincludedinthemechanicalsubsystem？

A:BearingmoduleB:CablemoduleC:BeltmoduleD:Chainsmodule

答案:Bearingmodule;Cablemodule;Beltmodule;Chainsmodule

Indynamicanalysis,weareconcernedonlywithmotion.

A:对B:错

答案:错

Theanalysisofplanarsystemscanbeconsideredasaspecialcaseofspatialanalysis.

A:对B:错

答案:对

第二章测试

AbouttheadvantagesofFEA，choosetherightoptions.

A:Savecostsandreducethecostofdesign,manufacturing,anddevelopment.B:AbouttheadvantagesofFEA，choosetherightoptions.

C:Createmorereliableandhigh-qualitydesigns.D:Simulationdesignnotsuitablefortestingonprototypes.

答案:Savecostsandreducethecostofdesign,manufacturing,anddevelopment.;AbouttheadvantagesofFEA，choosetherightoptions.

;Createmorereliableandhigh-qualitydesigns.;Simulationdesignnotsuitablefortestingonprototypes.

WhenwedoPre-Processing,whatdoweneedtoconsider?

A:MaterialsB:GeometryC:MeshD:BoundaryConditions

答案:Materials;Geometry;Mesh;BoundaryConditions

FEAisanumericalmethod

forsolvingproblemsofengineeringandmathematicalphysics.

A:对B:错

答案:对

FEAcan'tdostaticsanalysis.

A:对B:错

答案:错

FEMisonlyonenumericalmethod.

A:对B:错

答案:错

第三章测试

WhatlanguagefileisusedtodescribethevirtualsceneinMATLABsimulationof3Danimation？

A:virtualrealitymodelinglanguage(VRML)

B:HyperTextMarkedLanguage(HTML)C:JavaD:CascadingStyleSheets(CSS)

答案:virtualrealitymodelinglanguage(VRML)

Whatisthedefinitionofsimulationinthispaper？

A:productionofdata

B:definitionofdataC:representationofdataD:shapeofdata

答案:productionofdata

Accordingtothispaper,tomakethevirtualscenemorerealistic,wecanchangethecolor,material，

andtextureofobjectsinthescene,whichneedtobecarriedoutseveralsteps？

A:threeB:sixC:fourD:five

答案:three

Usingvisualizationtechnology,wecantransformcomplexinformationinto

A:graphB:2Ddrawing

C:high-qualitypictureD:3Danimation

答案:graph;2Ddrawing

;high-qualitypicture;3Danimation

WhatisthemodelingmethodusingMATLAB？

A:SimulinkB:3Dmax

C:SolidWorksD:TheMATLABscriptfile(s)

答案:Simulink;TheMATLABscriptfile(s)

第四章测试

Whatisthemostcommonlyusedcameraimagingmodel?

A:C-armimagingmodelB:ProjectionmodelC:pinholemodelD:Pillowdistortionmodel

答案:pinholemodel

Whatdoesthedetectionofroaddiseasesmainlydependonbymanualvisualobservation?

A:Instrumentprice

B:theexperienceofinspectorsC:thecomplexityoftheenvironmentD:weatherconditions

答案:theexperienceofinspectors

ThefunctionofUAVintheimagedetectionmethodofroaddiseaseis

A:CalculateroadlengthB:analyzethetrafficflowontheroad

C:tocarryimagingequipmenttocollectroadimagesD:topreservethepavementareaandremovethenon-pavementareaintheimage

答案:tocarryimagingequipmenttocollectroadimages

Whatarethestepsinthecalibrationprocess？

A:picture

analysisB:initializationC:sharpfocusingD:nonlinearoptimization

答案:initialization;nonlinearoptimization

Whatdothespatialdomain-basedmethodsinclude?

A:FocusbasedmethodsB:pixel-basedmethodsC:region-basedmethodsD:Imagebasedmethods

答案:pixel-basedmethods;region-basedmethods

第五章测试

Howmanystepsintheordinarydesignflow()？

A:FourstepsB:TwostepsC:FivestepsD:Threesteps

答案:Fivesteps

Thekeyfactorsinthesimulationpartare()?

A:theaccuracyoftheequationsB:thepriceofcontrollersC:virtualmodelD:thespeedofthesolver

答案:theaccuracyoftheequations;thespeedofthesolver

WhichistheembeddedsystemorcontrollerinthedefinitionofHIL？

A:ustomizedmicrocontrollersystemB:PACC:constructionmachineryD:PLC

答案:ustomizedmicrocontrollersystem;PAC;PLC

WithHILsimulation,errorscanbefoundearlyonandsolvedearlyon.HILsimulationisthereforeaneffectivetechniquetoreducethecommissioningtime.

A:错B:对

答案:对

HILsimulationcanbearealmoneysaverwhentestingexpensivemachinery.

A:错B:对

答案:对

第六章测试

Whichistheformulaofcoordinaterotation？

A:B:C:D:

答案:

InthePIDcontroller,theroleoftheProportionalcontrolisto____.

A:eliminatestead