![乘用车车身零部件轻量化设计典型案例](https://wfqqreader-1252317822.image.myqcloud.com/cover/42/36862042/b_36862042.jpg)
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插图
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/3_01.jpg?sign=1739321406-ObdN62qWD7kVYqWpXWqJzYYtlIqU3ypp-0-b69e4b30607020faa1c03eb6654e41c2)
图1-10 HC950/1180MS高速拉伸曲线
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/3_02.jpg?sign=1739321406-pZ3fMN1vqUCuGNt0goqXr6yYn53KmvjF-0-9de6bd55603276ac2534b96fb781d34e)
图1-16 轻量化方案侧面碰撞性能分析结果(侵入速度)
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/3_03.jpg?sign=1739321406-v5lDjpEEKXNZJ5HMiJZiHc3TSbDQCGtF-0-2f9988efadd3d8dcacc978910078cd53)
图3-13 低速碰撞仿真分析工况示意图
Y 0—整车纵向中心面 Y1—工况01的壁障纵向中心面 Y2—工况02的壁障纵向中心面 V1=4km/h V2=2.5km/h L1+L2≥300mm壁障运动方向为箭头所示方向
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/4_01.jpg?sign=1739321406-9s1QkZlpj7u4yYCIHdOKKgXoPyCegTAy-0-b2e8966fefca6ebcb8c81bde9a904003)
图4-9 拓扑优化空间三维模型
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/4_02.jpg?sign=1739321406-e7O2UCgLtkVJaZjBSGAdYKKh2ak7t3KJ-0-fe576482fcc24b3d1ab1507b5a1c559b)
图4-11 拓扑优化结果volf=0.1
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/4_03.jpg?sign=1739321406-Qu0VeJ9UonUchvLcJed2yrzQhsm3cOcK-0-594a493ca6f161f59df17ac78748e407)
图5-3 自然时效对屈服强度的影响
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/4_04.jpg?sign=1739321406-UFKbNRlqvQCTBtA0fHbrHmKrq4voTisU-0-bbc4921e48ed0e16337745870b858a33)
图5-14 累积疲劳损伤云图
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_01.jpg?sign=1739321406-CtlTw2vYGGbJxxerEK3bYBszTVnXWAP8-0-a1c44e3e10ff9f968bad764ff15cdefe)
图5-19 A铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_02.jpg?sign=1739321406-EXiTXTSzTnchS5k0qVk6VbKT12Igg0xI-0-4b4d72195bcea36fc786cf8df7290ad2)
图5-20 B铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_03.jpg?sign=1739321406-2a78zS0ahMbQ3szZvwtDkhWqjQFww4E6-0-9dab41efe69379f79d2bada440860c2f)
图5-21 A铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_04.jpg?sign=1739321406-NkWGxAuP2uh3w6bE65h8swvQFREq6PdT-0-09d7bbed584a23132705d79aa57a5b47)
图5-22 B铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_05.jpg?sign=1739321406-FomQ9oMRNOTQtMwkEO4o0ja4HxVsgo7D-0-2654459b54b8edb432f9377f9bdc538a)
图5-23 A铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_01.jpg?sign=1739321406-uqJQcBq4motbl3C2bw2oqe4gtisb103H-0-c5655ddb60f730369d42dc7cd5e1668e)
图5-24 B铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_02.jpg?sign=1739321406-hvGrAxDe98Es8qnvdZP28QSTXUVtBnoD-0-5c700d99978b482f8bd37cdf69821676)
图7-11 背门“以塑代钢”前后结构变化对比
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_03.jpg?sign=1739321406-9w8HPpzYK5wFpK8BqWFJpL9aVROjjBBU-0-d2d487935a81633a44f74d5a64e835c3)
图9-28 前端模块概念数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_04.jpg?sign=1739321406-WyQbilsnOAHP4ryFkueWt5VHuk7WHwG9-0-5ac63c525f3c9ce8145bbf789a91e181)
图9-31 壁厚优化后的数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_01.jpg?sign=1739321406-lLnz3DzyYKaSel1BtJxAvYO3KtGoyCAF-0-190cbb458495325cf7e4b8e0b81308b8)
图9-32 单元材料密度分布
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_02.jpg?sign=1739321406-DUKJumZLJkIKB0mFX0iTqPD2eibYHflA-0-88deadcaaa10adb22d8ed821d9642ded)
图9-34 散热器安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_03.jpg?sign=1739321406-ufnHFPogqFGa5N44I9p2IyEuO4tTVn88-0-ccaabf3110e45af3540dcda43b603f77)
图9-35 前照灯安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_04.jpg?sign=1739321406-ub56K7RQl6WaJnfQUnA24BVheL3r3ZlB-0-4221501c58159d74a18f362ac39640f7)
图9-36 机盖锁安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_05.jpg?sign=1739321406-QknoAHoA3HqZeGY7o0wzwdXzM3I576Oe-0-7024113c9c5ed3e0bd491677cf53d96d)
图9-37 静态分析
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_06.jpg?sign=1739321406-DknTqI0X9Ea4EKaeo9CfmMbCRQZ5usxr-0-4298533e89b402ddebfd88aa64e348e1)
图9-38 机盖接触部位刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_01.jpg?sign=1739321406-iLKYMZVm8SPtJHXxejOjTkC2OShkLSrl-0-15191af4c3766b5b386d2659c68cc47a)
图9-39 保险杠面罩安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_02.jpg?sign=1739321406-dBfiqlhARACsz6Tow7rV5YrCx9zI2uEV-0-ba9c3c49689ad6e664399cc75f2e8acd)
图11-14 一阶扭转模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_03.jpg?sign=1739321406-xP6XJj78Ng0hTyEVDRwL311sK33BITtU-0-52c2213064a2eeab9e773556923998cb)
图11-15 一阶弯曲模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_04.jpg?sign=1739321406-WditVR5wwH3x5nc0WZFk4cmwTK9HGnv6-0-1235618c4b334c610a79389bc81782f6)
图11-17 行李舱盖内板的拓扑优化结果
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_05.jpg?sign=1739321406-HeOUmEpslAhy6KJbtMv6f49w7vriDRne-0-995015e20e03ba74d7bcf4fdc89928ec)
图11-19 行李舱盖内板的形貌优化结果
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_06.jpg?sign=1739321406-Kd9yTUzgVHcUgSH8UbFTmBxfmbymh8Ol-0-4d207daeda27635af65ff075a602e25a)
图11-24 行李箱盖内板导柱布置
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/9_01.jpg?sign=1739321406-75QmlupD1uLQMfu2Zbb4ZnyYPP21NHKS-0-3bf5c37efbff3b055231142155ab405b)
图11-26 行李舱盖板件系统的一阶弯曲模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/9_02.jpg?sign=1739321406-giEfoeYL9xwpZ5CBANr2kHXmdu4huAxh-0-840070ea3abdfca916efab75f901a80e)
图11-27 行李舱盖板件系统的一阶扭转模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/9_03.jpg?sign=1739321406-DW4ap2ioGqulqsj67w73F2COIjXdzWIM-0-e44f5ebfbcf9412e31f43b1e36a8397e)
图12-23 整车搭载CFRP件正面碰撞分析结果
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/10_01.jpg?sign=1739321406-CNZjiSwVMLlEWIUDKmcBrBdpkULCJPVX-0-4e61688c7e90785d14476e88234f85fa)
图12-24 整车搭载CFRP件侧面可变形壁障碰撞分析结果
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/10_02.jpg?sign=1739321406-CSX6MRAMW82UgK3Mz5bB7pjkKIrusXsx-0-e0156109a94fb0c1c1bdb77a8c610088)
图12-25 钢质支架与CFRP中央通道加强板胶粘区域
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/10_03.jpg?sign=1739321406-f1Or8yhwohZanxteNMSex6hhhmm0RPP4-0-7a184b13b502aa5b6cb28b81eeb0a9d6)
图12-26 钢质前地板与CFRP中央通道加强板胶粘区域