A remark on the optimal order of convergence of Wilson’s nonconforming element. (Chinese. English summary) Zbl 0607.65071
It is proved that the optimal order of convergence of Wilson’s nonconforming element in the energy norm is O(h).
MSC:
65N30 | Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs |
65N15 | Error bounds for boundary value problems involving PDEs |
35J05 | Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation |