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弹性地基板计算的无单元法
THE ELEMENT-FREE METHOD FOR THE BENDING PROBLEM OF PLATES ON ELASTIC FOUNDATION
【摘要】 本文用天单元法研究了弹性半空间地基板的弯曲问题,由滑动最小二乘法和变分原理导出了地基极的无单元法刚度矩阵,编制相应的无单元法计算程序,并给出算例。结果表明方法可行,且具有更加广泛的工程应用前景。
【Abstract】 In this paper, the bending problem of plates on elastic foundation os studied by use of the Element -free method. The corresponding stiffness matrix of the plate is derived using a variational principle and the movingleast -squares method and a computer program is developed. Numerical examples show that the method is feasible and has a promising prospect in engineering practice .
【关键词】 弹性地基板;
无单元法;
滑动最小二乘法;
变分原理;
【Key words】 plates on elastic foundation; element-free method; mowing least-squares method; variational principle;
【Key words】 plates on elastic foundation; element-free method; mowing least-squares method; variational principle;
- 【文献出处】 工程力学 ,ENGINEERING MECHANICS , 编辑部邮箱 ,2000年03期
- 【分类号】TB115
- 【被引频次】110
- 【下载频次】239