Q/SZJ191001-2017車身充電口的剛度分析規(guī)范SpecificationofChargingPortStiffnessAnalysis20XX20XX-06-30實(shí)施20XX-05-29發(fā)布XXXX汽車工程技術(shù)有限公司發(fā)布Q/SZXX-X-2017Q/SZXX-X-2017車身充電口的剛度分析規(guī)范范圍本標(biāo)準(zhǔn)規(guī)定了車身上充電口的剛度分析方法及結(jié)果處理方法。本標(biāo)準(zhǔn)適用于CAE部門身上充電口的剛度分析規(guī)范。規(guī)范性引用文件無(wú)。術(shù)語(yǔ)和定義無(wú)。摘要Abstract本文介紹車身充電口的剛度分析規(guī)范。Thisdocumentationoutlinesthespecificationofchargingportstiffness.流程圖ProcessFlowDiagram建模建模Modeling結(jié)果是否滿足要求Istheresultok?定義邊界條件DefineBoundary定義載荷Defineloads分析計(jì)算Calculation結(jié)束ENDYESNO優(yōu)化Optimization圖1流程圖Fig1ProcessFlowDiagram工具描述ToolDescription仿真分析過(guò)程中需要用到的如下軟件:Thefollowingsoftwarefacilitatestheanalyticalsimulationprocess:前處理(Preprocessors):SOFYBSPA求解器(AnalysisCode):NASTRAN后處理(Postprocessors):SOFYBSPA建模和分析過(guò)程Modeling/AnalysisProcedure單位Units分析中所用單位制如下所示:Theunitsusedintheanalysisareasfollows:力(Force) 牛頓(N)質(zhì)量(Mass) 噸(Ton)長(zhǎng)度(Length) 毫米(mm)時(shí)間(Time) 秒(Second)內(nèi)容Contents截取車身上充電口周圍300*300mm的區(qū)域，包括充電口內(nèi)部和外部、鵝頸管、鉸鏈和鉸鏈栓，如圖2。Modelcontent:doorinner&outer,gooseneck,pin,hinge,300*300mmquarterpanelpatch,asshowninFigure2.圖2分析模型Fig2ModelContent坐標(biāo)系CoordinateSystems全局坐標(biāo)系。Theglobalstandardcoordinationsystem.建模技巧ModelingTechniquesN/A假設(shè)和限制Assumptions/Limitations假設(shè)Assumptions與物理試驗(yàn)相比較，對(duì)于焊點(diǎn)焊縫失效和材料局部撕裂的地方，分析模型假設(shè)沒(méi)有焊點(diǎn)焊縫失效和材料撕裂。對(duì)于螺紋連接處，假設(shè)分析模型沒(méi)有螺紋失效。Incomparisonwiththephysicaltest,wherespotweldsmailfailandmaterialmaylocallytear,theanalyticalmodelassumesnoweldsfailureandnomaterialtear.Astothescrewingconnection,theanalyticalmodelassumesnoscrewingfailure.限制LimitationsN/A載荷和邊界條件Loads/BoundaryConditions約束和邊界條件Constraints/BoundrayConditions沿所截取截面的周長(zhǎng)約束1-3自由度。Constraints:SPC1-3aroundtheperimeterofthe300*300mmquarterpanelpatch.載荷Loads在側(cè)圍外側(cè)充電口蓋上手按壓位置作用單位力，方向平行于鉸鏈栓，如圖3。Load:Unitloadappliedatthe“thumb”locationofthedoorouter,paralleltothehingepin,asshowninFigure3.SPC1SPC123圖3邊界條件和載荷Fig3BoundaryandLoad結(jié)果Results結(jié)果格式ResultsFormats輸出位移。Outputthedisplacement.相關(guān)測(cè)試CorrelationTestsN/A性能要求PerformanceRequirements容易出現(xiàn)問(wèn)題的區(qū)域包括：鵝頸管上彎曲變形大的區(qū)域；鉸鏈上靠近側(cè)圍外板的區(qū)域；側(cè)圍外板上鉸鏈銜接區(qū)域。典型結(jié)果：結(jié)果可能相差很大。軟系統(tǒng)中的大門，剛度可以達(dá)到6N/mm；帶有鉸鏈的小門，剛度可能達(dá)到45N/mm.基本要求：剛度>4.9N/mm。Typicalproblemareas:Gooseneckatsharpbend;Hingenearquarterpanelattachments;Quarterpanelathingeattachments.TypicalResults:Resultscanvarywidely.Alargedoorinasoftsystemcanbe6N/mm.Asmalldoorwithapianohingecanbe45N/mm.Typicalrequirement:stiffness>4.9N/mm.分析要求AnalysisRequirements