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Plastic wave propagation in ductile slabs subjected to dynamic buckling

På svenska

Author

Editor

  • Börje Nilsson
  • Louis Fishman

Summary, in English

Plastic wave propagation during dynamic buckling of ductile slabs is investigated numerically using a contour plot method (q-plot) showing contours of normalized effective plastic strain rate as a function of time and position. A non-linear finite element method is used to analyse the buckling problem of the elastic-viscoplastic slab. The contour plot method is quite sufficient to depict the overall development of the localization zones. Wave propagation speeds, relative growth of the localization zones and displacement of non-stationary in-elastic waves may be investigated. The present study also indicates that certain buckling modes may be promoted by selecting particular initial specimen geometries.

Department/s

Publishing year

2003

Language

English

Pages

207-215

Publication/Series

Mathematical Modelling in Physics, Engineering and Cognitive Science, v. 7

Volume

Mathematical Modelling of Wave Phenomena 2002

Document type

Conference paper

Publisher

ICCM, Växjö University

Topic

  • Applied Mechanics

Keywords

  • localization zones
  • dynamic loading
  • wave propagation
  • buckling

Conference name

Mathematical Modelling of Wave Phenomena 2002

Conference date

2002-11-03

Conference place

Växjö University, Sweden

Status

Published

ISBN/ISSN/Other

  • ISSN: 1651-0267