用DR法求解计及湿度影响的复合材料叠层扁壳大挠度弯曲问题

THE DRM APPLIED TO STUDY THE BEHAVIOR OF NONLINEAR BENDING TAKING ACCOUNT OF THE EFFECT OF HUMIDITY FOR SHALLOW SHELLS LAMINATED COMPOSITE MATERIALS

动态松驰法(DR法)是求解工程实际非线性问题的一种有效的、简单的方法、本文采用DR法首次对计及湿度影响的复合材料叠层扁壳的非线性弯曲问题进行了分析。

The Dynamic Relaxation Method(DRM)is an effective and simple approximate method for nonlinear problems inengineering practice. In this paper, the DRM is applied first to study the behavior of nonlinear bending taking account of the effectof humidity for shallow shells laminated composite materials. The numerical results are based on spherial, cyclindrical shells andplates, which are laminated and shallow, and subjected to uniform distributed loading under the boundary condition of clamping.And there results are useful, some of which are compared with the present results contained in the given papers. The anlysis andmomputation of these results appears: The DRM is an effective and practicable method for shallow shells laminated composite materi-als.