Locking Behavior of Isoparametric Curved Beam Finite Elements

[+] Author and Article Information
Miguel Luiz Bucalem

Laboratory of Computational Mechanics, Department of Structural and Foundation Engineering, Escola Politécnica da Universidade de São Paulo, 05508-900 - São Paulo, SP, Brazil

Klaus-Jürgen Bathe

Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge MA 02139 USA

Appl. Mech. Rev 48(11S), S25-S29 (Nov 01, 1995) doi:10.1115/1.3005077 History: Online April 29, 2009


We present a study of the membrane and shear locking behavior in an isoparametric curved beam element. The objective is to gain insight into the locking phenomenon, specially membrane locking, of continuum based degenerated shell elements. This is possible since the isobeam element is the one-dimensional analogue of the continuum based shell element. In this context, reduced integration and mixed interpolation schemes are briefly examined. Such a study can be a valuable aid when developing new shell elements.

Copyright © 1995 by The American Society of Mechanical Engineers
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