![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=1739003845-hi7AwWlSGSeqvfXkuwvujuiH36kKtmOT-0-e04dff42cfd30d4d02fdb9e2d0c00b6c)
图1-10 HC950/1180MS高速拉伸曲线
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/3_02.jpg?sign=1739003845-DuZkvOypxuJD21cJwqtkwz8U2nD8f8MJ-0-caeb53a00f8db72fc26544153323e528)
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=1739003845-uTFcBKfXn0YJfzAfVYaJuez7oJMCw4B8-0-f163806b5bc1f71919a2b9dd1218a7b5)
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=1739003845-zQISf9ioSqLK2dcUg8IGNU2ArUobJVC4-0-25932659b2f5fa1aaed070c209fc32ec)
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=1739003845-5b6TwlSYfeKvilsyRJFzkF4pb2SZ5IV2-0-f785f4eae99a289a6b922b71730ed273)
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=1739003845-TZDHrsFuTXQ2DXhgwCgqKeawOeUO1uyi-0-06d0c1b1aadf7ceccc7cbe5d2630dbde)
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=1739003845-Dolotf124jMG0bnAninFZUAXo5UEKNl7-0-8fe89a0a032f04d8bab578b0599c5de6)
图5-14 累积疲劳损伤云图
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_01.jpg?sign=1739003845-JzP8QevhZSUZEDexLCbiS8Yg6a7ciZpB-0-2105b417212e63aeaae10c1d503ea367)
图5-19 A铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_02.jpg?sign=1739003845-0M5LpDjKZy7XDFQgcVpsdjuylwzXHn82-0-f69ee2ca3404b9f7dc3a57b6dd79155f)
图5-20 B铝板塑性应变
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_03.jpg?sign=1739003845-CoTfjtrBpK4AiMIBlE3N7vBaql5sxG7P-0-0dde52b017ad9e115c774dd84aa11f36)
图5-21 A铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_04.jpg?sign=1739003845-TTGowqhpfUXph98VIrsrRLJQlzEUVDeW-0-29a35923c98566e6c1e6b5985167ec75)
图5-22 B铝板FLD0
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/5_05.jpg?sign=1739003845-op6pL4qCrfzG1yRiabu9fceS6bnuQO5v-0-f5b923f16ac119dd42f5360334779118)
图5-23 A铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_01.jpg?sign=1739003845-Wvg0ULJrwIzthbBATUp5ElOCIGK4hlOi-0-ad5f891fde215d66d18c36a484daa8bc)
图5-24 B铝板减薄率
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_02.jpg?sign=1739003845-herOgvWWrk1zIvgS3tkli8AQuTVag5xH-0-3e0cdf4cecffb020881225ab0d09ba96)
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=1739003845-fxOCbWpb4E9Ma7KIExDriqSjOntdu6TV-0-8b638c6051d6f80f60c18621813eab66)
图9-28 前端模块概念数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/6_04.jpg?sign=1739003845-bV842ci3ZZgPYrvPuGJE9ynP9RY9j3JZ-0-053b79167cce2e9c336a5034144d497c)
图9-31 壁厚优化后的数据
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_01.jpg?sign=1739003845-gJtfhmN0x6Mos0LLRDIALfXIArDBkfKP-0-d0f5306deb6ceeca2b4f1d2a280c267b)
图9-32 单元材料密度分布
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_02.jpg?sign=1739003845-RmBjLVBMHjyzUayd4wcfrPVdxXTgDug0-0-2135a75cc49f06a5d8e643f4ac6453f5)
图9-34 散热器安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_03.jpg?sign=1739003845-T2Wqd9rywoYXkN9NzzZDf7SAhNvT8cyS-0-b70c3b401296c43f2d2b33a6daf7052d)
图9-35 前照灯安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_04.jpg?sign=1739003845-JXY7oWdwjCAsstAHe5WhnI7LoOkxFygX-0-4186263531072c45b46e70d9ba7b28ec)
图9-36 机盖锁安装点刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_05.jpg?sign=1739003845-eqxLpSlM5x85qNObng6u3zq1ycwtCiof-0-576076422e39cd904d2be2fcd5830ed2)
图9-37 静态分析
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/7_06.jpg?sign=1739003845-Z3EDR7LeL4Uj5MPyKbxZL4DQFLNUTeNZ-0-fb6bbf3ac747381d068cadec5db171cc)
图9-38 机盖接触部位刚度
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_01.jpg?sign=1739003845-hrMQXNZOz1wzGKddGZziuGCKZgM5I54H-0-ea25c3eb801c19955e05fcf6511027be)
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=1739003845-GFbPVMeDE3JLFnRry7tpgcctjccPPESj-0-7b4758f5ec2b4aa14c0053ac220f4a50)
图11-14 一阶扭转模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_03.jpg?sign=1739003845-6RFYDZeLk8PUptX0UhJ3Je5Q8rbLuUCk-0-467d65c3661da54f360e77ab4dcc88a4)
图11-15 一阶弯曲模态
![](https://epubservercos.yuewen.com/02D28C/19549638208901806/epubprivate/OEBPS/Images/8_04.jpg?sign=1739003845-vKY6vAvVbnyZYOo3oDQP5xtY1ZfAwLyt-0-61c91b20a976b3a95c158bb4696bb0e3)
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=1739003845-XNSlkZUtaqTNFj04XdZSiOF1GbeBE4s7-0-7ce7bc8e6eef7abfa50fe2323e32a473)
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=1739003845-OP9tSoehfBxFKjg0pVjhQLw4BMelb6rR-0-e395b7e45a00e16a11effeb617173f5b)
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=1739003845-AOq7AJmcaJRhENBf3KyelSUPlwAuYYKL-0-dbf31d4b6a8d1a51837013838cecb5d4)
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=1739003845-T1mvuCy7kNLsWQmHyjBX3aEYW7Pj8v4h-0-7275f077a9106ab5afa79a55afc72b91)
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=1739003845-GIIi3yTkcbl0KvTILVljfTBYb8KTapQq-0-091b6a81e56a78b56d5086bafcc820db)
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=1739003845-a85DzB91uDZpCHGcjFKHi1OTvLtjV1zw-0-731bf674424a80c64b0e7b32f64f47ee)
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=1739003845-H5OKg4MtbKlFw8HOhsLL91C28LqKWdlI-0-383b95db67ec0081310b5d9850983d1d)
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=1739003845-h8CWNhYEEZgte2H2YDIMAWiaIrNcX5zU-0-48e7cc0cd5bec20257cd51ca791e92ef)
图12-26 钢质前地板与CFRP中央通道加强板胶粘区域