Utilize este identificador para referenciar este registo:
https://hdl.handle.net/10316/8152
Título: | A simple model for viscous regularization of elasto-plastic constitutive laws with softening | Autor: | Silva, V. Dias da | Data: | 2004 | Citação: | Communications in Numerical Methods in Engineering. 20:7 (2004) 547-568 | Resumo: | 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 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Eng.Civil - Artigos em Revistas Internacionais |
Mostrar registo em formato completo
Citações SCOPUSTM
33
Visto em 1/mai/2023
Citações WEB OF SCIENCETM
5
29
Visto em 2/mai/2023
Visualizações de página 50
339
Visto em 23/abr/2024
Downloads
367
Visto em 23/abr/2024
Google ScholarTM
Verificar
Altmetric
Altmetric
Todos os registos no repositório estão protegidos por leis de copyright, com todos os direitos reservados.