【摘要】 这里介绍了HyperWorks有限元分析流程,讨论了建模中应注意的几个问题,并以某公司新开发的中巴车车架为研究对象,利用HyperWorks建立以壳单元为基本单元的车架有限元分析模型,分析了该车架的前七阶固有频率及振型,为车架响应分析提供了重要的模态参数,同时也为结构的改进设计提供了理论依据。更多还原

【Abstract】 Introduces the finite element analysis method of the HyperWorks so ft ware, discusses several questions of FEM modeling, sets up the analysis model of the middle size bus frame by taking shell unit as basic unit, analyzes the fram e ’ s former seven natural frequencies and correspond mode shapes, supplies impo rtant modal parameter for the response analysis and foundation in theory to impr ove design of the vehicle frame.更多还原