The Skeleton Reduction for Finite Element Substructuring Methods


We introduce an abstract concept for decomposing spaces with respect to a substructuring of a bounded domain. In this setting we define weakly conforming finite element approximations of quadratic minimization problems. Within a saddle point approach the reduction to symmetric positive Schur complement systems on the skeleton is analyzed. Applications… (More)
DOI: 10.1007/978-3-319-39929-4_14


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