A finite element to interpolate symmetric tensors with divergence in \(L^ 2\). (English) Zbl 0508.65051


65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
31A30 Biharmonic, polyharmonic functions and equations, Poisson’s equation in two dimensions


Zbl 0362.65089
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