![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=1739271351-AFZUvlHzg8Q1VbxuGeoJz6iEZ30OYnKP-0-bc8ff5a75c45e8383d8f577a5075169e)
图1-10 HC950/1180MS高速拉伸曲线
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/3_02.jpg?sign=1739271351-2sG75u10ishpDu2E2yMLz94BkXR1tppl-0-d83c51cf223bbbb9cda06e07a081414d)
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=1739271351-JioSsauNRIyhDGV1fhSAmsjVIR6ZFX4k-0-ba76d9fc08d2cf8f916025e69132b12e)
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=1739271351-yX6Eis1sq2rlJRHDG1ZpaiWLAhE6QuK3-0-09095e0b440716e243ab6b7e2120a78a)
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=1739271351-EbWroxXovP3pXP6QVBvof6XecN4yw0vo-0-980785c87c78fb33c9267cda8860e469)
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=1739271351-m2FEvjQKecf93Nvcj4sEMdfHjzcKBkpY-0-36325774bc3bb98bb744bd5fb22de3cd)
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=1739271351-1MsdyehrqXarcY1emqFGvwlq47DrEHpu-0-ec8aa187a31e98e3bba8e017d1a8c1aa)
图5-14 累积疲劳损伤云图
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_01.jpg?sign=1739271351-JyRVy48wvQcIk0WWVThNuZw4uZqILvd4-0-57e4481f5bd98eb7c6d0edadcefc8a16)
图5-19 A铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_02.jpg?sign=1739271351-Kx2gv6jD6EQDT5NY8uz5homIQdz9EN8p-0-5d078e5138ec2b814aff53a276b0a2d3)
图5-20 B铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_03.jpg?sign=1739271351-x1MLQLI9O936uSYstQz8f8vXFEQnHZZk-0-13d7fa0b223804c67dce4772d327f21b)
图5-21 A铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_04.jpg?sign=1739271351-7utAQx8kKd9eHYiqm2mO9qqdlGXUuUx4-0-582ed99493d29b4037fefcb117d5097b)
图5-22 B铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_05.jpg?sign=1739271351-DvyRRMuKXgOxaeULr230KiQhJiVpFT09-0-992977bb31a45234efb9b193e9f65d8e)
图5-23 A铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_01.jpg?sign=1739271351-kokFYU2PpF5jJyppZYY1LCBDA1EiTzPH-0-444eb0408326e3772866e51a56a2a25a)
图5-24 B铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_02.jpg?sign=1739271351-G86eAIRMkZmHWbfVijNeRqZrErNGguqw-0-a2fab3275c61baf15154ff2620e12de0)
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=1739271351-7Q2o9eaf3Zlj5KjTcYs13tQNCp64fYr2-0-054ca10281e56f9737b73f32a8f6ebe5)
图9-28 前端模块概念数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_04.jpg?sign=1739271351-5Tg3yw9NP8YeZIeaQX5gUmMk4qs5WS8S-0-cc49600eaa7a204dccdc0d55dd96a58b)
图9-31 壁厚优化后的数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_01.jpg?sign=1739271351-3Rky0dLsP2XEzkvUR18jZbKB5gTgDqnP-0-f258517f70de19b30a234640ef65a58c)
图9-32 单元材料密度分布
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_02.jpg?sign=1739271351-ByRm5cciPVtR6fQk4Z5GikRcIFrzXamo-0-a348e68014cf6670507fb6ee3e01abe0)
图9-34 散热器安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_03.jpg?sign=1739271351-8xtqeXW9lGVCHoCzUUC7ejCYOsCTNRl4-0-f50c13de74f80c6684bef0e0ef2242f6)
图9-35 前照灯安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_04.jpg?sign=1739271351-4cKN1Crcgs1MZiE3nRABPWRSnE6lROtA-0-8760a190a08a7bc6e9e1b0220d0fd18a)
图9-36 机盖锁安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_05.jpg?sign=1739271351-pjaSlSz8IMDo2S09ZlsT5n5rI6JzGQF9-0-fec7c612bdfcea90ef88b296d1d6d50d)
图9-37 静态分析
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_06.jpg?sign=1739271351-ZMqvJdWdhei6KJf5s1tqgUtIwJzTXBJW-0-9403637dac76bd545d29b4287bf575f4)
图9-38 机盖接触部位刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_01.jpg?sign=1739271351-UAhP498ASjhYYGd4QOg2OjVHPyADoEcJ-0-c87ab06067abc519019ed121cf24761b)
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=1739271351-cUZyAP0thINkU0jlKajet8T5AXgPHGbi-0-4d2d3a515bcfb96e20b95b516f2a9535)
图11-14 一阶扭转模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_03.jpg?sign=1739271351-Z6b0eG4OzT2zAGnXVdgoVhIh74RCPUDb-0-31212b6a2320d42a616ecb9406c1069b)
图11-15 一阶弯曲模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_04.jpg?sign=1739271351-psuk8JkJV3j7C28jhQ7ADuviwCakqle3-0-4305753ef1b72fdb7be09f2019d82b34)
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=1739271351-OefkNTBH9ENbTPfkteDyCkO1KaO8a9gi-0-afbc947c14a0bdca849dbca311526916)
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=1739271351-MJ823gYGr1e6qFv9MS01BRQI9vqSrOXr-0-ceb1e68a3253ca19f2fb5c15a08c8614)
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=1739271351-yutohxE3E9EYHA9OA9oi1toGvfNB7hrg-0-6ff96b38fde469743659e37a6e921a02)
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=1739271351-Awi0xVht8VgDS2VnXBOvBJm0GPxSvRwT-0-1aac626b261274ab0014ca96f714d849)
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=1739271351-9tBC6MgnXvazRMkRrkTfYoNo6GoLctSi-0-761092283819f9c1a465b5f5e8cb539e)
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=1739271351-7zhhRqeoSIMuammJHPQgNmnCp3vGXPq8-0-4072e3c8e5f0278a188bbc06331549a6)
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=1739271351-S4cEQaor7CtP339dg1Q12dizvnsP6FHJ-0-52d47d1765509ce2a3fb46c43fadc6fc)
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=1739271351-ah1mTF1o4GiO6MNTDY2tnW8TA3S7hnDE-0-74307d43527200abb775f93fef4d6fff)
图12-26 钢质前地板与CFRP中央通道加强板胶粘区域