根据壳元的几何形状规定,推导了壳元几何关系公式;假设温度沿壳元厚度是二次多项式分布,在给定边界条件下,推导了壳元温度函数表达式;根据传热定理和有限元离散原理,推导了复合材料热传导系数从材料坐标系到有限元分析的等参元正则坐标系的变换关系,建立了各向异性复合材料层合板的有限元热分析列式;通过积分变换,推导了三维退化热壳元公式.在此工作基础上,编制了有限元计算程序,将计算结果和ANSYS计算结果进行了比较,结果吻合较好.经证明,三维退化热壳元可以节省内存和提高计算效率.
参考文献
| [1] | Noor A K, Tenek L. Steady-state nonlinear heat transfer in multilayer composite panels [J]. ASCE, J Eng Mech, 1992, 118(8): 1661-1678. |
| [2] | Argyris J, Tenek L, Oberg F. A multilayer composite triangular element for steady state conduction/convection/radiation heat transfer in complex shells [J]. Computer Methods in Applied Mechanics and Engineering, 1995, 120(2): 271-301. |
| [3] | Noor A K, Burton C W. Computational models for high-temperature multilayered composite plates and shells [J]. Applied Mechanics Review, 1992,45(10): 419-445. |
| [4] | Tamma K K, Yurko A A. Finite element thermal modeling / analysis formulations for layered composite materials [J]. Numerical Heat Transfer (Part B), 1989, 15(3): 73-97. |
| [5] | 杨自春,黄玉盈.复合材料新的热层合理论及其有限元方法研究[J].海军工程学院学报,1995(3): 29-34.Yang Zichun, Huang Yuying. A new thermal laminate theory and finite element approach for the transient temperature field analysis of composite structure [J]. Journal of Naval Acasemy of Engineering, 1995(3): 29-34. |
| [6] | 杨自春. 受热复合材料层合板的非线性热振动--Part Ⅰ:理论及数值分析[J].复合材料学报,2000,17(2):74-78.Yang Zichun. Nonlinear thermal vibration of composite laminated plates--Part Ⅰ: Theory and numerical analysis [J]. ACTA MATERIAE COMPOSITAE SINICA, 2000, 17(2):74-78. |
| [7] | 杨自春. 受热复合材料层合板的非线性热振动--Part Ⅱ:实验研究[J].复合材料学报,2000,17(2):119-122.Yang Zichun. Nonlinear thermal vibration of composite laminated plates--Part Ⅱ: Test [J]. ACTA MATERIAE COMPOSITAE SINICA, 2000, 17(2):119-122. |
| [8] | 张剑,李思简.复合材料大层数层合板热变形热应力有限元分析[J].固体力学学报,1997, 18(4):359-364.Zhang Jian, Li Sijian. Thermal stress of composite laminated structure with a large number of layers [J]. ACTA MECHANICA SOLIDA SINICA, 1997,18(4): 359-364. |
| [9] | 李庆华,张剑,孙国钧.含分层损伤大层数复合材料层合板层间热效应分析[J].复合材料学报,2003, 20(1):121-124.Li Qinghua, Zhang Jian, Sun Guojun. Analysis of interlaminal thermal effect of composite laminates with a large number of layers [J]. ACTA MATERIAE COMPOSITAE SINICA, 2003, 20(1):121-124. |
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%