icepak 进阶教程－瞬态模型.ppt

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1、IcepakAdvancedTraining-ModelingTransients-TrainingScheduleOverviewofTransientCapabilitiesinIcepakSolvingTransientModelsBREAKSpecificationofTransientSolverParametersTutorialOne:TimeStepCyclesLUNCHSpecificationofTransientConditionsTutorialTwo:TransientCyclesBREAKCombin

2、ationofUDF’sTutorialThree:TransientJouleHeatingSummaryOutlineOverviewofTransientCapabilitiesinIcepakTimeStepOptionsSourcesBoundaryConditionsPostProcessingTransientModelsSpecificationofTransientSolverParametersSpecificationofTransientConditionsCombinationofUDF’sSummar

3、yOverviewofTransientCapabilitiesTimeStepOptionsIcepakProvidesofVarietyofTimeStepFunctionsUniformTheusersimplyspecifiesthetimestepsizeVariablewithaLinearVariationTheuserspecifiesaninitialtimestepandthenafactorIcepakwillmodifythetimestepsizewithtimeVariablewithaPiecewi

4、seConstantVariationTheuserspecifiesrangeswithassociatedtimestepsizesVariablewithaPiecewiseLinearVariationTheuserspecifiesrangeswithassociatedtimestepsizeIcepakwilllinearlyvarythetimestepsizebetweentwoadjacentrangesLimitationsNotimestepcanbelongerthan6049secondsThisca

5、nbealteredinthe.batfileOverviewofTransientCapabilitiesSources:HeatandFlowTransientSourcesofHeatApplicableobjectsSolidorFluidBlocksConductingThickPlateSource(2Dand3D)3DResistancesSpecifystartingandendingtimesChoosefromsixfunctionalformsTransientSourcesofFlowFanscanhav

6、etimevaryingflowChoosefromeitherPiecewiseLinearorSquareWaveOverviewofTransientCapabilitiesBoundaryConditionsTransientBoundaryConditionsAmbienttemperaturecanbetimedependentOpeningspermittransientspecificationofX,Y,andZvelocitycomponentsPressureTemperatureWallspermittr

7、ansientspecificationofHeatfluxTemperatureHeattransfercoefficientOverviewofTransientCapabilitiesPostProcessingTransientPostProcessingOptionsVariableversustimeforapointThepointscanbespecifiedaftertherunIcepakwillinterpolatebetweentimestepsDatasetcanbesavedasatextfilean

8、dimportedintoExcelAnimationsofsurfaceplotsandplanecutsTheanimationscanbesavedbyusingathirdpartytool,suchasSnagItorCamtasiaOutlineOv