Istituto di Matematica Applicata e Tecnologie Informatiche     
Sacchi G., Chinosi C. PSRI schemes for shells: a benchmark study. Preprint ercim.cnr.ian//2002-1281, 2002.
The aim of this paper is to experimentally study the accuracy of the partial selective reduced integration (PSRI) scheme, for the numerical solution of the classical 2D Naghdi's shell model. In this work we consider a bending dominated shell as a benchmark problem and we analyze the convergence properties of the PSRI finite elements as well as their behaviour in presence of the locking phenomenon. Moreover we study the computed solutions in order to evaluate their dependence on different types of mesh, in particular if boundary layers appear.
Subject Finite Elements, Shell Problems, Locking Phenomenon

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