用混合法求解带有离散支承的旋转体
On the Application of Mixed Method to Solve Solids of Revolution with Discrete Fixed Supports
-
摘要: 本文采用超静定结构力学中力法处理带有离散支承的旋转体.将离散固定支承反力看成超静定未知力.用旋转体半解析有限元法去计算力法正则方程的系数阵(柔度阵)和右端项,求解力法正则方程.然后,将支承反力与外荷载叠加起来作为旋转体外荷载,而得到离散支承的旋转体有限元解.Abstract: In this paper, the force method of statically indeterminate structure mechanics is used to treat the solids of revolution with discrete fixed supports. The reactionary forces of discrete fixed supports are considered as statically indeterminate unknown variables. The force-method canonical equations, in which the coefficient matrix and the right-hand vector are computed by semi-analytical finite element method, are solved. Then the finite element solution of solid of revolution with discrete fixed supports is calculated with the external loads superposed from the assigned external loads and the reactionary forces of discrete supports.
-
[1] 何穷.朱学仁,带有离散支承的旋转体计算.1978年教育部高等学校计算结构力学学术交流会论文集,第二集. [2] D.库克著(美)《有限元分析的概念和应用》.何穷,程耿东译,科学出版社出版,1981年9月 [3] 钟万勰.一个多用途结构分析程序JIGFEX,大连工学院学报,3. 4 (1977) [4] 钱令希著《超静定结构力学》.上海科学技术出版社. [5] Jennings, Alan,Matrix Computation for Engineers and Sientists (1977).
计量
- 文章访问数: 1486
- HTML全文浏览量: 57
- PDF下载量: 423
- 被引次数: 0