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1、汽車底盤零部件CAE分析StructuralAnalysisCapabilitiesNormalModesDynamicLinear&NonlinearStaticBucklingFatigueCrashworthinessExamples:Base4-LinkLowerControlArm→3,2kg56kN/mmstiffness61kNbucklingthickness:2,5mmmaterial:S355MC≤2,4kg(lowweight)≤3,2kg(costoptimized)>50kN/mmstiffness>35kNbucklingBoundaryconditi
2、onsStiffness/BucklingStressanalysisConstrainedindof1-3Constrainedindof2-4Forcesand/orMomentsLateralForceAccelerationBrakingCornerBase4-LinkTrailingArm/WheelCarrier≤5,4kg(lowweight)≤6,2kg(costoptimized)→6,9kgBoundaryconditionsStiffnessStressanalyseConstrainedindof1-3Constrainedindof2Constraine
3、dindof2Constrainedindof2-3Forcesand/orMoments647MPa579MPaCornerVerticalForceBase4-LinkUpperControlArm≤2,1kg(lowweight)≤2,7kg(costoptimized)>30kN/mmstiffness>20kNbuckling→1,94kg28kN/mmstiffness27kNbucklingthickness:3,0mmshell2,0mmbushingmaterial:S355MCBoundaryconditionsStiffness/BucklingStress
4、analysisConstrainedindof1-3Constrainedindof2-4Forcesand/orMomentsCalculatedwithlinearelasticbehaviorofthematerial561MPaPotholeTwistBase4-LinkAdditionalControlArm≤0,28kg(lowweight)≤0,36kg(costoptimized)>100kN/mmstiffness>39kNbuckling→0,34kg177kN/mmstiffness38,6kNbucklingthickness:1,5mmmaterial
5、:S355MCCalculatedwithlinearelasticbehaviorofthematerial694MPaPotholeCornerturnBoundaryconditionsStiffness/BucklingStressanalysisConstrainedindof1-3Constrainedindof2-4Forcesand/orMoments≤1,3kg(lowweight)≤1,7kg(costoptimized)>25kN/mmstiffnessx>15kN/mmstiffnessyBase4-LinkBracket→1,23kg33kN/mmsti
6、ffnessx50kN/mmstiffnessythickness:4,0mmmaterial:S355MCBoundaryconditionsStiffness/BucklingStressanalyseConstrainedindof1-6Constrainedindof1-6Forcesand/orMomentsConstrainedindof1-6Constrainedindof1-6CornerBrakingUplevelH-ArmLowerControlArm≤6,8kg(lowweight)≤9,5kg(costoptimized)→8,74kgthickness:
7、3mmuppershell2,5mmlowershellmaterial:S420MCuppershellS355MClowershellBoundaryconditionsStiffnessStressanalysisConstrainedindof3Constrainedindof3Forcesand/orMomentsConstrainedindof2-3Constrainedindof1-3LongitudinalForceLateralForceBrakingValid
