[1] Gao Yan and Chen Wanjie, The nonconforming displacement functions of refined direct stiffness methods and their covergence, covergence,Acta Mechanica,27(Supp) (1995), 135~142. (in Chinese).
[2] Shi Dongyang and Chen Shaochun, A kind of improved Wilson arbitrary quadrilateral elements, Numerical Mathematics. A Journal of Chinese Universities.,9, 2 (1994), 161 ~167. (in Chinese).
[3] Chen Wanjie and Gao Yan, Axisymmetric nonconforming element method and its convergence analysis,Science in China(Series A), 40, 4 (1997), 422~431.
[4] P. Lesaint and M. Zlamal, Convergence of the nonconforming Wilson element for arbitrary quadrilateral meshes, Numer. Math., 36, 1(1980), 33~52.
[5] Li Yong and Wu Changchun, A new quadrilateral nonconforming model and its convergence,Applied Mathematics and MEchanics,(English ED.), 7, 7 (1986), 699~706.
[6] Gao Yan. Convergence theory of nonconforming elements and refined element methods,Ph. D. Dissertation,Department of Engineering mechanics,Dalian University of Technology(1996). (in Chinese).
[7] F. Stummel, The limitations of patch test, Int. J. Numer. Meth. Eng., 15 (1980), 177~188. |