Q/SZJ191001-2017腳踏板強度分析規(guī)范SpecificationOfStrengthAnalysisForAssistStepComponent20XX20XX-XX-XX實施20XX-XX-XX發(fā)布XXXX汽車工程技術(shù)有限公司發(fā)布Q/SZXX-X-2017腳踏板強度分析規(guī)范范圍本標準規(guī)定了腳踏板強度分析的分析方法，以確定腳踏板的強度。本標準適用于CAE部門腳踏板強度分析。規(guī)范性引用文件無。術(shù)語和定義無。流程圖PROCESSFLOWDIAGRAM建模Model建模ModelMeettarget加載Applyload約束邊界Boundary設(shè)置參數(shù)計算Setparameter結(jié)束End優(yōu)化Optimization圖1流程圖工具描述TOOLDESCRIPTION仿真分析過程中需要用到的如下軟件:Thefollowingsoftwarefacilitatestheanalyticalsimulationprocess:前處理(Preprocessors):Hypermesh求解器(AnalysisCode):nastran后處理(Postprocessors):HyperView建模和分析過程MODELING/ANALYSISPROCEDURE單位Units分析中所用單位制如下所示:Theunitsusedintheanalysisareasfollows:力(Force) N質(zhì)量(Mass) Ton長度(Length) mm時間(Time) s內(nèi)容Contents腳踏板及其支架Assiststepandbrackets坐標系CoordinateSystems建模技巧ModelingTechniques腳踏板總成建模盡可能使用殼單元所涉及到有RBE2的螺栓安裝孔必須加washerModeltheassiststepsystemusingshellelements.WashersshallbesimulatedbyconnectingtheRBE2’stotheinsideandoutsideoftheelementsaroundtheboltholes假設(shè)和限制ASSUMPTIONS/LIMITATIONS無。約束和邊界條件CONSTRAINTS/BOUNDARYCONDITIONS腳踏板支架安裝點螺栓用RBE2（約束1-3自由度）模擬，該RBE2主點約束1-6自由度ConstrainbracketswithRBE2’s1-3andSPC’s1-6圖2邊界約束載荷LOADS在有可能被腳踏的位置加載1334N的壓力門開啟時，在腳踏板上同時加載1111N的壓力壓力加載面積：寬75mmX長100mmAssiststepsystemshallbeloadedwithasingle300lbpressureloadatvariouspointsincludingtheextremeforeandaftoftheuseablestepsurface.Assiststepsystemshallbeloadedwithtwosimultaneous250lbpressureloadslocatedinthecenterofthedooropenings.Thepressureloadareashallbe75mmwideby100mmlong性能要求PERFORMANCEREQUIREMENTS應(yīng)力小于屈服應(yīng)力Stress〈Yieldstrength分析要求ANALYSISREQUIREMENTS無。結(jié)果RESULTS結(jié)果格式ResultsFormatsOP2相關(guān)測試CorrelationT