A Locking-Free Scheme of Nonconforming Rectangular Finite Element for the Planar Elasticity
Keywords:
Locking-free, Planar elasticity, Nonconforming finite element method.Abstract
In this paper, the authors present a locking-free scheme of the lowest order nonconforming rectangle finite element method for the planar elasticity with the pure displacement boundary condition. Optimal order error estimate, uniformly for the Lamé constant $\lambda\in(0,\infty)$ is obtained.