利用模态叠加法计算结构动力响应,通过结构的的刚度矩阵，阻尼矩阵以及质量矩阵进行进行求解。-The use of mode superposition method to calculate structural dynamic response, through the structure of the stiffness matrix, damping matrix and mass matrix to solve it.

采用振型分解法，Newmark-beta法，振型叠加法，对车桥系统进行动力分析(The vibration mode decomposition method, Newmark beta method and mode superposition method are used for dynamic analysis of vehicle bridge system)