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A Parametric Study for Four Node Bilinear EAS Shell Elements
Published online by Cambridge University Press: 28 September 2011
Abstract
A locking free formulation of 4-node bilinear shell element and its application to shell structures is demonstrated. The Enhanced Assumed Strain (EAS) method based on three-field variational principle of Hu-Washizu is used in the formulation. Transverse shear locking and membrane locking are circumvented by means of enhancing the displacement-dependent strain field with extra assumed strain field. Several benchmark shell problems are analyzed.
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- Research Article
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- Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2010
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