Error estimates for the numerical approximation of a quaslinear Neumann problem under minimal regularity of the data
E Casas, V Dhamo - Numerische Mathematik, 2011 - Springer
E Casas, V Dhamo
Numerische Mathematik, 2011•SpringerThe finite element based approximation of a quasilinear elliptic equation of non monotone
type with Neumann boundary conditions is studied. Minimal regularity assumptions on the
data are imposed. The consideration is restricted to polygonal domains of dimension two
and polyhedral domains of dimension three. Finite elements of degree k≥ 1 are used to
approximate the equation. Error estimates are established in the L 2 (Ω) and H 1 (Ω) norms
for convex and non-convex domains. The issue of uniqueness of a solution to the …
type with Neumann boundary conditions is studied. Minimal regularity assumptions on the
data are imposed. The consideration is restricted to polygonal domains of dimension two
and polyhedral domains of dimension three. Finite elements of degree k≥ 1 are used to
approximate the equation. Error estimates are established in the L 2 (Ω) and H 1 (Ω) norms
for convex and non-convex domains. The issue of uniqueness of a solution to the …
Abstract
The finite element based approximation of a quasilinear elliptic equation of non monotone type with Neumann boundary conditions is studied. Minimal regularity assumptions on the data are imposed. The consideration is restricted to polygonal domains of dimension two and polyhedral domains of dimension three. Finite elements of degree k ≥ 1 are used to approximate the equation. Error estimates are established in the L 2(Ω) and H 1(Ω) norms for convex and non-convex domains. The issue of uniqueness of a solution to the approximate discrete equation is also addressed.
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