Discrete conservation of nonnegativity for elliptic problems solved by the hp-FEM.

Most results related to discrete nonnegativity conservation principles (DNCP) for elliptic problems are limited to finite differences and lowest-order finite element methods (FEM). In this paper we show that a straightforward extension to higher-order finite element methods (hp-FEM) in the classical...

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Main Authors: Solín, P, Vejchodský, T, Araiza, R
格式: Journal article
出版: 2007