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A quasi-dual Lagrange multiplier space for serendipity mortar finite elements in 3D

Lamichhane, Bishnu P.; Wohlmuth, Barbara I.


Domain decomposition techniques provide a flexible tool for the numerical approximation of partial differential equations. Here, we consider mortar techniques for quadratic finite elements in 3D with different Lagrange multiplier spaces. In particular, we focus on Lagrange multiplier spaces which yield optimal discretization schemes and a locally supported basis for the associated constrained mortar spaces in case of hexahedral triangulations. As a result, standard efficient iterative solvers...[Show more]

CollectionsANU Research Publications
Date published: 2004-02-15
Type: Journal article
Source: ESAIM: Mathematical Modelling and Numerical Analysis
DOI: 10.1051/m2an:2004004


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