汽车文摘刘天成张群代民果宋德健（英特工程仿真技术有限公司，大连116000）【摘要】针对现如今汽车工业对高精度、高效率数值仿真的迫切需求，研究了支持分布式并行计算的工业仿真软件IN⁃TESIM5.0对于大规模精细仿真的适用性。研究方法包括建立3个网格规模不同的气缸体模型，分别使用INTESIM和某商软模拟100万网格模型，对比两者结果以验证INTESIM的计算正确性。使用INTESIM在神威·太湖之光的商用计算系统，模拟1亿网格模型，发现并行加速比和并行效率符合一般规律。对比3个模型的INTESIM求解结果，论证精细建模的优越性。研究结果表明INTESIM完全胜任超大规模并行计算，从而以低时间成本获得高精度仿真结果，有助于提升汽车发动机缸体的可靠性和耐久性优化效率。主题词：工业仿真有限元并行计算亿级网格发动机气缸计算机集群中图分类号：TP311.1文献标识码：ADOI:10.19822/j.cnki.1671-6329.20220100LargeScaleDistributedParallelComputationofCylinderBlockStaticAnalysisBasedonINTESIM5.0LiuTiancheng,ZhangQun,DaiMinguo,SongDejian（INTESIMEngineeringSimulationTechnologyCo.,Ltd,Dalian116000）【Abstract】Aimedattheurgentneedofhighprecisionandhighefficiencynumericalsimulationintheautomobileindustry,theapplicabilityoftheindustrialsimulationsoftwareINTESIM5.0supportingdistributedparallelcomputingforlarge-scalefinesimulationisstudied.Theresearchmethodisasfollows:3cylindermodelswithdifferentgridsizesareestablished,INTESIMandacommercialsoftwareareusedtosimulate1milliongridmodelsrespectively.Theresultsof2modelsarecomparedtoverifythecorrectnessofINTESIMcalculations.INTESIMisusedtosimulate100milliongridmodelsonthecommercialcomputingsystemofSunwayTaihuLight,itisfoundthattheparallelspeedupratioandparallelefficiencyconformtothegenerallaw.Theadvantagesoffinemodelingaredemonstratedbycomparingtheresultsof3modelssolvedbyINTESIM.TheresultsshowthatINTESIMisfullycompetentforlarge-scaleparallelcomputing,toobtainhigh-precisionsimulationresultswithlowtimecost,whichishelpfultoimprovetheoptimizationefficiencyofthereliabilityanddurabilityofautomobileenginecylinderblock.Keywords:Industrialsimulation，FiniteElementMethod(FEM)，Parallelcomputing，Hundred-million...
