为了对层合壳体结构进行准确和有效的分析,给出了适用于层合壳体结构分析的分片方法并采用Ritz法进行问题的求解.该方法首先将壳体结构进行分片处理,利用参数曲面来描述分片的壳体结构并将分片进行拚接.在此基础上,构造分片上的具有参数曲面特征的Ritz法的试解函数,并写出相应的泛函和控制方程.最后给出了数值算例,算例表明该方法准确可靠.
参考文献
| [1] | Tanov R, Tabiei A. Finite element implementation of a new sandwich homogenization procedure [J]. Composite Structures, 2000, 50(1): 49-58. |
| [2] | Kim K, Voyiadjis G Z. Non-linear finite element analysis of composite panels [J]. Composites: Part B, 1999, 30(2): 365-381. |
| [3] | Soldatos K P, Shu X P. On the stress analysis of cross-ply laminated plates and shallow shell panels [J]. Composite Structures, 1999, 46(4): 333-344. |
| [4] | Reissner E. Finite deflections of sandwich plates [J]. J Aeronautical Sci, 1948, 15(7): 435-440. |
| [5] | Attia O, El-Zafrany A. A high-order shear element for nonlinear vibration analysis of composite layered plates and shells [J]. International J of Mechanical Science, 1999, 41(2): 461-486. |
| [6] | Tabiei A, Tanov R. A nonlinear higher order shear deformation shell element for dynamic explicit analysis: Part I. Formulation and finite element equations [J]. Finite Elements in Analysis and Design, 2000, 36(1): 17-37. |
| [7] | Cho Y B, Averill R C. An improved theory and finite-element model for laminated composite and sandwich beams using first-order zig-zag sublaminate approximations [J]. Composite Structures, 1997, 37(3): 281-298. |
| [8] | Brank B, Carrera E. A family of shear-deformable shell finite element for composite structures [J]. Computers and Structures, 2000, 76(1): 287-297. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%