![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=1739609129-DtO70s2JDQf2msuYyRz81K5QBlufKrse-0-5ea6769441c5e6ffaf4518473d4b5050)
图1-10 HC950/1180MS高速拉伸曲线
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/3_02.jpg?sign=1739609129-2WdlahEMKtjjmEIgKnQn6BAQdciGBycv-0-b5be959e1a96f1fe480f5790cd28dbe5)
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=1739609129-T5NwrFmKVswYazogKvt8HcBuWfAtfYb6-0-3aa66ee9f3e28cadc0dfeab8e2567754)
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=1739609129-UahJlcIKRkJ9hjWwmnu3cxsaU9Yp3fDO-0-720189e934cd0611f2c9d155e30d8c5e)
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=1739609129-EsUFr72wde0PIpJWQep01eBA5iQ1zYlu-0-cc572c4a4d7099ff771d0039776cda6e)
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=1739609129-NpvhfKDLyPpfGrDfGcguEmA4VQufSpmf-0-e783cbd36786defc77ecc4e435ea66fb)
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=1739609129-ZH2orMLtOJJJ1fXdrWl5vYmj8itK7ZMk-0-92506988901340360d5929b5eecb628d)
图5-14 累积疲劳损伤云图
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_01.jpg?sign=1739609129-xRkz4sQfExoixG5t07QnzJBi5YvSkaMz-0-0edb3ad7b47495ed4e2279ac44b845b1)
图5-19 A铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_02.jpg?sign=1739609129-EOBvheV9siAMvSPnmRHLU0YkPBMeBRDc-0-29751e6be1b58bc6973c06085715ebac)
图5-20 B铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_03.jpg?sign=1739609129-kVgzmhioxePV7TUyM2Er1rACzcCZjIVy-0-1100db2d88f7d393a3c837dd0c1306b8)
图5-21 A铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_04.jpg?sign=1739609129-p0t0rGT0l1YdoOvIkunMgdojkNvz0bZA-0-7ae047a53d6f1ec54f2dbf42d5ef2693)
图5-22 B铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_05.jpg?sign=1739609129-BrBTI382TjO7w7qLy7pEU8A6otfbVyeJ-0-c3f4c032b21b30cdfe7cfaf052ef7cde)
图5-23 A铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_01.jpg?sign=1739609129-ehgYr0TisqQfQDVGRYrISJJZoNSoc1FS-0-29e5dd410d6bb2425ea4b49eb2ceca23)
图5-24 B铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_02.jpg?sign=1739609129-kerNSvHj3VaqAPg6fGSaeNUK5ZKyocXu-0-81d51a911e9018fc22b6ee15f40c432a)
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=1739609129-ahtO7F4mz73wfHlQ1ZylVkMvj0WzQSOp-0-9e30cff42683ec722ad60a3adec86cec)
图9-28 前端模块概念数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_04.jpg?sign=1739609129-ZuoTlI8CqqgJ15rYUEIY0UdB6ztHVIvd-0-04f99f2a8e52c68684dd0dd6a9d98cac)
图9-31 壁厚优化后的数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_01.jpg?sign=1739609129-bBgAQJiYasBjbBmkur8xB2vEdUMbGtsj-0-0999c0f8e17a90f65ea4c0e94c0dfbd1)
图9-32 单元材料密度分布
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_02.jpg?sign=1739609129-wfpnuToC1qP457I0qTSrcbsjqYUNCWRV-0-6c1dc846e9bfc19bb3db52366cd1f9f2)
图9-34 散热器安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_03.jpg?sign=1739609129-RGTf1PfYoaTVy1ZuvjoqR5Vkz4zgiad6-0-80ffa3d5de6c3394b39ff7f12d5004a2)
图9-35 前照灯安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_04.jpg?sign=1739609129-FlEifhxaNXlrWfILDK9Yd06DVOKeQ1eB-0-23374ed5c4666efe63f23f1218dd9fa8)
图9-36 机盖锁安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_05.jpg?sign=1739609129-NabuvScW8p8pYSxdRbj9ojJZjMEgicc1-0-89362457b3654e850818762ba02fcd21)
图9-37 静态分析
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_06.jpg?sign=1739609129-5CqX7LOnoYBiKyq7dqIUck5R01djSKxA-0-729010d991b723c4517764363d99fd86)
图9-38 机盖接触部位刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_01.jpg?sign=1739609129-OMSFSDO2YMGpq562Ga8pCoX9jSTW51qA-0-069a2a75be1b76d52060a3cd5817fb08)
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=1739609129-o9o7w0h3QI8E3G2lyfzCo1IPIjB2v8yU-0-1c6364f1a620d28303ed240236ca77a4)
图11-14 一阶扭转模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_03.jpg?sign=1739609129-LsnLpydhsF6irJeQDzlUyCxP8QKOEg4b-0-bb845908f67431a6fedafaf9b59f9cc4)
图11-15 一阶弯曲模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_04.jpg?sign=1739609129-LEkJAva3yLKE92OzpSqwr6F5o2YsSodE-0-539c0e564cff2f14ed74004bdfe47994)
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=1739609129-wstDKX85VXvWTT7IiSPDqk5FsJTfiftl-0-449f3c1a0291f1717b4517939eff95b6)
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=1739609129-CumEZEHbS587l8tvtY9xzUl65oX4BoFO-0-f43fd82556ef082cd4140d57e4796db8)
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=1739609129-8vxlvXHXC5CSN8dZ7eM8iHYusjUdcqHG-0-fbe54c0665c1733adda3e6a7e17803b1)
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=1739609129-faSt8XLrbBsy38aOJZvXkdcgCB5VwHol-0-581946b7b24fd8eaf91788f8272a4bf2)
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=1739609129-dPWOhxKNZoEvSSrKohBLbCybvqwl5qZX-0-0e7aec62f0c87ec8410e593f18fcbdff)
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=1739609129-SlgTtQFWW4d565jp5SxoHRdQr4qp9PhG-0-090d70ec353935a206d6c523708076c3)
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=1739609129-mmyUed6e094p7voEGxDyPKU88nCd9Ocb-0-d90937da40d31e59645d0e728ea70ef5)
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=1739609129-Pm1UBjtTBlesgTjY2NE9hRRh7KOJbK3Z-0-574834a55fbb15930411cfe6c91b0dbb)
图12-26 钢质前地板与CFRP中央通道加强板胶粘区域