CAJ | 학술논문

运用HyperMesh软件建立了白车身的有限元模型，从模态分析、静态扭转刚度和静态弯曲刚度三个方面考察其NVH特性；根据试验设计的方法，对白车身轻量化进行极差分析、方差分析和显著性分析，获得最优的试验方案。结果表明，与原有设计方案相比，优化方案降低了白车身重量，提高了白车身的刚度和一阶扭转频率，这为白车身轻量化提供了借鉴。
운용HyperMesh연건건립료백차신적유한원모형，종모태분석、정태뉴전강도화정태만곡강도삼개방면고찰기NVH특성；근거시험설계적방법，대백차신경양화진행겁차분석、방차분석화현저성분석，획득최우적시험방안。결과표명，여원유설계방안상비，우화방안강저료백차신중량，제고료백차신적강도화일계뉴전빈솔，저위백차신경양화제공료차감。
Use the HyperMesh software to establish the finite element model of vehicle BIW, and investigate the NVH characteristics from the modal analysis, the static torsional stiffness and the static bending rigidity The DOE method was used to study lightweight by range analysis, variance analysis and significance analysis, in order to get the most optimal experiment scheme. The results show that the weight of the BIW had been reduced, its stiffness had been improved, as well as the first-order torsional frequency. The effective reference for the lightweight had been provided