The extended order state variable forms of dynamic equations of visco-elastic composite structure have many advantages, such as simple in formulation, easy in programming, and fast in calculating.

• 利用扩阶状态形式的粘弹性复合结构动力学方程分析求解特征值问题和计算结构动力响应具有理论简单、思路清晰、编程容易、计算速度快等优点,特别适合于工程实际问题的计算。