摘要
本文利用三级三阶半隐式Runge-Kutta法解结构动力问题,并用多项式预处理共轭梯度法解有关方程组。提出了半隐式Runge-Kutta型并行直接积分法RK33P。在YH-1机上,与相应的串行算法RK33S相比较,当有关方程组的阶数为10~3～10~4时,加速比可达24～27。
This paper presents simiimplicit Runge-kutta type parallel direct integration methods to solve structural dynamic problems using 3 - stage - 3 - order semi - implicit Runge -kutta method and using polynomial preconditioned conjugate gradient method for solving relevant systems of linear algebraic equations. Compared with relevant serical algorithm RK33S on YH-1 computer, parallel algorithm RK33P 's speed up is 24-27 when linear systems of equations involved is of order 10 3-104.
出处
《计算物理》
CSCD
北大核心
1992年第2期133-138,共6页
Chinese Journal of Computational Physics
基金
航空科学基金
关键词
并行直接积分
结构动力学
R-K型
parallel direct integration method, Runge - kutta type parallel method, polynomial preconditionings for the conjugate gradient method.
