摘要
本文首次给出变厚度平面应力不协调元,该元能通过分片试验,其位移和应力精度比协调元有明显提高。
A variable thickness plane stress incompatiable element is first presented in this paper. The dldment is able to pass patch test and provides better accuracy than the compatible element for both displacements and stresses.
基金
中国科学院沈阳计算技术研究所现代制造的CAD/CAM技术开放实验室基金资助
关键词
变厚度
不协调元
平面应力
variable thickness,incompatidkness, element