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An adaptive finite element approach for a mixed Reissner–Mindlin plate formulation

✍ Scribed by K. Weinberg

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
318 KB
Volume
190
Category
Article
ISSN
0045-7825

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We consider the ®nite element (FE) approximation of the Reissner±Mindlin (RM) plate model, and indicate how to design meshes that yield accurate results when the p/hp version of the standard FE method is used. These guidelines allow quantities of engineering interest to be predicted numerically with

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The implementation of a hybrid-mixed formulation for Reissner±Mindlin stress elements is presented. The stressresultants and the mid-surface displacements in the domain of the element and the displacements on its boundary are simultaneously and independently approximated using Legendre polynomials.

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## Abstract Based on the mixed shear projected (MiSP) approach [6], an enhanced bending approximation for homogeneous isotropic plates is presented. Some hard benchmark tests, as skew plate (30°) problem for instance, have often shown poor convergence when low order elements (3‐ or 4‐node element)