modes

代码说明：

  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.)

文件列表：

modes.for