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A robust quadrilateral membrane finite element with drilling degrees of freedom
Author(s) -
Ibrahimbegovic Adnan,
Taylor Robert L.,
Wilson Edward L.
Publication year - 1990
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620300305
Subject(s) - quadrilateral , finite element method , degrees of freedom (physics and chemistry) , element (criminal law) , displacement (psychology) , rotation (mathematics) , mixed finite element method , finite element limit analysis , extended finite element method , bending , structural engineering , engineering , mathematics , mathematical analysis , geometry , mechanical engineering , physics , psychology , quantum mechanics , political science , law , psychotherapist
A quadrilateral membrane finite element with drilling degrees of freedom is derived from variational principles employing an independent rotation field. Both displacement based and mixed approaches are investigated. The element exhibits excellent accuracy characteristics. When combined with a plate bending element, the element provides an efficient tool for linear analysis of shells.