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1、第三章乘坐區(qū)間多目標(biāo)拓?fù)鋬?yōu)化研究3.1拓?fù)鋬?yōu)化數(shù)學(xué)模型建立..............................................273.1.1基于SIMP插值的拓?fù)鋬?yōu)化方法.................................273.1.2多工況下柔度目標(biāo)數(shù)學(xué)模型建立................................283.1.3NVH工況下模態(tài)頻率目標(biāo)函數(shù)..................................293.1.4綜合目標(biāo)函數(shù)模型....
2、........................................303.1.5優(yōu)化設(shè)計(jì)模型................................................313.1.6乘坐區(qū)拓?fù)鋬?yōu)化流程..........................................323.2拓?fù)鋬?yōu)化迭代試算.................................................323.3優(yōu)化初始模型確定.......................
3、..........................333.3.1初始幾何模型確定............................................333.3.2有限元模型確定..............................................363.4耐撞性和NVH工況加載.............................................373.4.1車(chē)身所受靜載荷.....................................
4、.........373.4.2碰撞載荷加載................................................383.4.3NVH工況及載荷..............................................393.4.4拓?fù)鋬?yōu)化迭代計(jì)算............................................413.4.5優(yōu)化模型確認(rèn)................................................423.4.
5、6構(gòu)型提取....................................................433.5拓?fù)鋬?yōu)化結(jié)果分析.................................................443.5.1車(chē)身耐撞性分析..............................................443.5.2NVH性能分析驗(yàn)證............................................453.6本章小結(jié).........
6、................................................46第四章乘坐區(qū)間尺寸最優(yōu)化設(shè)計(jì)4.1正交試驗(yàn)設(shè)計(jì)概述.................................................474.1.1極差分析法..................................................484.1.2方差分析法..................................................484.2乘坐區(qū)尺
7、寸優(yōu)化設(shè)計(jì)...............................................514.2.1試驗(yàn)指標(biāo)確定................................................514.2.2單因素分析..................................................514.2.3因素與水平確定..............................................524.2.4試驗(yàn)設(shè)計(jì)及結(jié)果分析......
8、....................................554.3最優(yōu)結(jié)構(gòu)驗(yàn)證分析.................................................604.3.1仿真結(jié)果可信度..............................................614.3.2一階扭轉(zhuǎn)驗(yàn)證..............................
