摘要
给出了非线性拟协调有限元列式方法，将非线性拟协调有限元与基于Ｈｅｌｌｉｎｇｅｒ－Ｒｅｉｓｓｎｅｒ变分原理的杂交／混合有限元进行了比较。
FiYSt,formulation of the nonlinear quasi-conforming FEM is given.Then,the nonlinearquasi-conforming FEM is compared with the hybrid/mixed FEM based upon the Hellinger-Reissner variational principle.
关键词
非线性
拟协调有限元
有限元
H-R变分原理
nonlinear/quasi-conforming finite element
hybrid-mixed finite element
Hellinger-Reissner variational principle
