包括有限元的基本方法和步骤、结构的动力特性和响应分析、单元的质量矩阵和刚度矩阵的建立及典型结构的动力学分析、工程应用和数值仿真等内容。-Including the basic methods and steps of finite element, structural dynamic characteristic and response analysis, element stiffness matrix and mass matrix of typical structure and dy