蓄电池模态分析规范

Q/SZJ191001-2017蓄电池模态分析规范SpecificationOfModalAnalysisForBattery20XX20XX-09-30实施20XX-08-28发布XXXX汽车工程技术有限公司发布Q/SZXX-X-2017蓄电池模态分析规范范围本标准规定了蓄电池模态分析的分析方法，以满足设计车的蓄电池的模态设计需求。本标准适用于CAE部门蓄电池模态分析。规范性引用文件无。术语和定义无。流程图PROCESSFLOWDIAGRAMAFEAmodelAFEAmodelbuildingbasedontheengineeringdesignsubsystemCalculateMaterial/PropertycheckLinkcheckConstrainsboundarycondition/loadsToextractionresults,forstandardSubsystemdesignschemeestablishedfinallyPutforwardtheoptimizationschemeAFEAmodelbuildingCalculateToextractionresults,forstandardSubsystemdesignschemeestablishedfinallyMeettargetNotmeettargetMeettarget工具描述TOOLDESCRIPTION仿真分析过程中需要用到的如下软件:Thefollowingsoftwarefacilitatestheanalyticalsimulationprocess:前处理(Preprocessors):Hypermesh14.0求解器(AnalysisCode):Optistruct14.0后处理(Postprocessors):Hyperview14.0建模和分析过程MODELING/ANALYSISPROCEDURE单位Units分析中所用单位制如下所示:Theunitsusedintheanalysisareasfollows:力(Force) N质量(Mass) T长度(Length) mm时间(Time) s内容Contents该模型主要包括前机舱、蓄电池Thismodelmaincontainsfrontstructandbattery坐标系CoordinateSystems该分析均在Thisanalysisisconductedundervehicleglobalcoordinatesystem建模技巧ModelingTechniques模型平均单元尺寸为8mmx8mm;螺栓连接采用RBE2单元模拟；缝焊采用seam中的penta(mig)单元模拟,直径6mm;点焊采用acm（shellgap）单元模拟，直径6mm.Averageelementsize:8mmx8mm;Bolts:RBE2Seamwelding:penta(mig)inseam,Diameter=6mmSpotwelding:shellgapinacm,Diameter=6mm假设和限制ASSUMPTIONS/LIMITATIONSN/A假设Assumptions无。限制Limitations材料Material线形材料（linearmaterial）约束和边界条件CONSTRAINTS/BOUNDARYCONDITIONS约束：在X向A_pillar处，Y向Y=0处截取车身，节点约束SPC123；Constrains:bodystructureatthecross-carcutplane,spc123;spc123spc123载荷LOADS加载：计算约束模态Loads：constrainmode;性能要求PERFORMANCEREQUIREMENTSN/A分析要求ANALYSISREQUIREMENTS时间历程节点TimeHistoryNodesN/A输出文件OutputFiles蓄电池一阶模态1stmodeofbatteryofbrackets分析时长AnalysisDurationN/A结果RESULTS从H3d中读取蓄电池的模态结果。ReadthebatterymoderesultsfromtheH3dmodal.Target：mode≥30.0Hz模态/mode结果格式ResultsFormats结果格式：H3dResultsFormats：H3d相关测