Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/8152
Title: | A simple model for viscous regularization of elasto-plastic constitutive laws with softening | Authors: | Silva, V. Dias da | Issue Date: | 2004 | Citation: | Communications in Numerical Methods in Engineering. 20:7 (2004) 547-568 | Abstract: | An overlay-type rheological model is presented, which is used to introduce viscosity in inviscid elasto-plastic material laws with softening, in order to reduce the mesh-dependency of Finite Element solutions. This model is intended to be an alternative to the well-known visco-plastic formulations of Perzyna and Duvaut-Lions. A time integration algorithm for the visco-elastic model component is presented, being demonstrated in the paper, that it is unconditionally stable and oscillation-free. The algorithm is tested in a problem with slip driven softening (von Mises material) and in a problem with decohesion driven softening (Cam-Clay model). Figures showing the capability of the algorithm to regularize the solution are presented. Copyright © 2004 John Wiley & Sons, Ltd. | URI: | https://hdl.handle.net/10316/8152 | DOI: | 10.1002/cnm.700 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Civil - Artigos em Revistas Internacionais |
Show full item record
SCOPUSTM
Citations
33
checked on May 1, 2023
WEB OF SCIENCETM
Citations
5
29
checked on May 2, 2023
Page view(s) 50
334
checked on Mar 26, 2024
Download(s)
350
checked on Mar 26, 2024
Google ScholarTM
Check
Altmetric
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.