基于改进Wilson-θ法的流固耦合迭代算法

Iterative Algorithm for Fluid-Structure Coupling System Based on Improved Wilson-θ Method

在传统的Wilson θ法的基础上 ,对Wilson θ法进行了改进并分析了其稳定性 ,基于改进的Wilson θ法给出了求解动力耦合方程的迭代算法 ,该算法能方便地用以求解坝库系统的动力耦合反应。计算实例表明 ,本文中的迭代算法是可行的 ,并且比已有的算法有更高的计算效率。

An improved Wilson θ method is obtained on the basis of the traditional Wilson θ method and its stability is analyzed. From the improved Wilson θ method, an iterative algorithm for solving the dynamic coupling equation is derived. The algorithm can be used to solve the dynamic reaction of fluid structure coupling systems with ease. A computation example shows that the iterative algorithm is feasible and can enhance calculation efficiency