小腿碰撞吸能泡沫参数化优化上海大众汽车简介小腿碰撞吸能泡沫参数化优化目录上海大众汽车简介小腿碰撞吸能泡沫参数化优化目录230.82.116.583.581.6743.053.7519.70.1311.763.2115.573.47051015202530354045502013年销量152.7万辆公司业绩上海大众汽车简介小腿碰撞吸能泡沫参数化优化目录行人保护小腿碰撞法规GB/T24550-2009刚性腿TRLLegform★最大胫骨加速度★最大弯曲角度★最大剪切位移GB/T24550-2009评价指标GB/T24550-2009评价指标行人保护小腿碰撞区域Tangentwith30degreeangledefinesouterlimitofimpactarea30degreetangentpoint30degree30degreetangentpoint基础模型优化流程优化平台Optimus参数化工具ANSA/Morph求解器PAM-CRASH后处理Animator4采样统计计算结果近似模型试验设计数值优化最优解优化流程参数化变形求解计算结果提取泡沫Morph参数化包壳单元网格重构包壳单元Morph变形生成体单元2Dmorpher删除包壳单元生成包壳单元泡沫Morph参数化泡沫Morph参数化优化方法Hole2Hole1Hole3Hole2Hole3L1L2L3L4AAA-A编号名称变化范围(mm)1Hole1_1-20,102Hole1_2-10,53Hole1_3-10,54Hole2_1-20,105Hole2_2-15,06Hole2_3-15,07Hole3_1-20,108Hole3_2-10,59Hole3_3-10,5设计变量BBB-BHole1Hole2Hole3L1:Y=0L2:Y=50L3:Y=150L4:Y=250Ln(33)L9(34)Ln(33)L9(34)Ln(33)L9(34)Ln(33)L9(34)4Hole2_1-20,10?5Hole2_2-15,0?6Hole2_3-15,0?7Hole3_1-20,10?8Hole3_2-10,5?9Hole3_3-10,5?编号名称变化范围(mm)第1轮优化结果(mm)1Hole1_1-20,10?2Hole1_2-10,5?3Hole1_3-10,5?第1轮优化L1主因图L3主因图L2主因图L4主因图第1轮优化结果-20-15-155-5,10-10,-2.5-20-10-10编号名称第1轮优化结果(mm)第2轮优化结果(mm)1Hole1_1-5,10?2Hole1_2-10,-2.5?3Hole1_3554Hole2_1-20-205Hole2_2-15-156Hole2_3-15-157Hole3_1-20-208Hole3_2-10-109Hole3_3-10-10第2轮优化第2轮优化结果10-2.5优化结果编号名称优化结果(mm)1Hole1_1102Hole1_2-2.53Hole1_354Hole2_1-205Hole2_2-156Hole2_3-157Hole3_1-208Hole3_2-109Hole3_3-10最终优化结果BASEOPTI优化结果谢谢!