Constitutive model of the material is a key to CAE (Computer Aided Engineering). Using the theory of continuum mechanics, strain energy density function of sponge rubber material is founded based on Ogden model.

• 材料的本构模型是进行CAE分析的关键 ,为此 ,在Ogden不可压缩应变能函数的基础上 ,利用连续介质力学理论 ,推导了可压缩海绵橡胶材料的应变能密度函数。