利用八节点薄壳单元的相关理论,通过自编单元实现了加筋前后双曲度复合材料薄壳单元的大网格高精度计算,通过两种结果的对比发现纵横加筋对自编单元实现大网格下的高精度计算影响不大.从精度和效率上来讲,由于加筋后对精度的影响小这一特点,因此可将其应用于加筋与不加筋情况下的各种有限元分析,这样为解决大型工程问题提供了有效的有限元分析途径,显著提高了效率.
参考文献
| [1] | STEINER W;ZEMANN J;TROGER H .Numerical study of large amplitude oscillations of a two-satellite continuous tether system with a varying length[J].Acta Astronautica,1995,35(09):607-621. |
| [2] | VAN CAMPEN D H;BOUWMAN V P;ZHANG G Q .Semianalytical stability analysis of doubly-curved orthotropic shallow panels-considering the effects of boundary conditions[J].International Journal of Non-Linear Mechanics,2002,37:659-667. |
| [3] | VAN CAMPEN D H .On the stress distribution in an arbitrarily loaded nozzle-to-flat plate connection[J].Nuclear Engineering and Design,1970,11(03):495-500. |
| [4] | VAN CAMPEN D H;SPAAS H A C M .On the stress distribution in nozzle-to-cylinder connections for small diameter ratios[J].Nuclear Engineering and Design,1972,21(03):368-395. |
| [5] | A.J. van Roosmalen;G.Q. Zhang .Reliability challenges in the nanoelectronics era[J].Microelectronics and reliability,2006(9/11):1403-1414. |
| [6] | Maenghyo Cho;Jun-Sik Xim .A postprocess method for laminated shells with a doubly curved nine-noded finite element[J].Composites, Part B. Engineering,2000(1):65-74. |
| [7] | Tulay Aksu Ozkul;Nail Kara;Nahit Kumbasar .The transition from moderately thick shells to thick shells of general shape by using finite element analysis[J].Finite elements in analysis & design,2007(3):247-260. |
| [8] | KUMBASAR N;AKSU T .A finite element formulation for free vibration analysis of shells of general shape[J].Computers and Structures,1995,54(01):49-57. |
| [9] | CHAKRAVORTY DIPANKAR;BANDYOPADHYAY J N;SINHA P K .Finite element free vibration analysis of conoidal shells[J].Computers and Structures,1995,56(06):975-978. |
| [10] | KIM K D .Buckling behaviour of composite panels using the finite element method[J].Computers and Structures,1996,36:33-43. |
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