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Shock and Vibration
Volume 2, Issue 3, Pages 193-204

H-Adaptive Methods for Nonlinear Dynamic Analysis of Shell Structures

Sang-Ho Lee and Ted Belytschko

Robert R. McCormick School of Engineering and Applied Science, Department of Civil Engineering, The Technological Institute, Northwestern University, Evanston, IL 60208-3109, USA

Received 26 October 1994; Accepted 16 December 1994

Copyright © 1995 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The implementation and application of h-adaptivity in an explicit finite element program for nonlinear structural dynamics is described. Particular emphasis is placed on developing procedures for general purpose structural dynamics programs and efficiently handling adaptivity in shell elements. New projection techniques for error estimation and projecting variables on new meshes after fission or fusion are described. Several problems of severe impact are described.