Analysis method and device for constitutive performance of vehicle chassis rubber bushing

The invention discloses an analysis method and device for constitutive performance of a vehicle chassis rubber bushing. The method comprises the following steps: obtaining a first rigidity curve obtained by carrying out a rigidity bench test, and a second stiffness curve obtained through CAE simulation analysis; the parameters of the constitutive equation adopted by CAE simulation calculation arecontinuously changed through the iterative method until the difference between the two curves is close to zero, the accurate parameters of the constitutive equation are obtained, and then the parameter obtaining test cost of the constitutive equation is reduced; the obtained accurate parameters of the constitutive equation are completely suitable for design and development of the vehicle chassis rubber bushing, and the research and development period of the vehicle chassis rubber bushing is shortened. 本申请公开一种车辆底盘橡胶衬套的本构性能的分析方法及装置，方法包括：获取进行刚度台架试验得到的第一刚度曲线，以及CAE仿真分析得到的第二刚度曲线，通过迭代方法，不断改变CAE仿真计算所采用的本构方程的参数，直到两个曲线的差异接近零为止，