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Mixed three-field FE formulation for highly non-linear analysis encompassing the incompressibility limit

Author
Chiumenti, M.; Cervera, M.
Type of activity
Presentation of work at congresses
Name of edition
XV International Conference on Computational Plasticity: Fundamentals and Applications
Date of publication
2019
Presentation's date
2019-09-05
Book of congress proceedings
COMPLAS 2019: XV International Conference on Computational Plasticity: Fundamentals and Applications
First page
1
Last page
1
URL
https://congress.cimne.com/complas2019/admin/files/fileabstract/a454.pdf Open in new window
Abstract
In this work the mixed three-field formulation presented in [1] is exploited to solve highly non-linear FE analyses. The main idea is to retain the stress accuracy demonstrated by the mixed stress/displacement FE technology [2-4] as well as to encompass the incompressible limit with the same performance shown by the displacement/pressure mixed elements [5-7]. The Variational Multi Scale (VMS) method is used to circumvent the LBB stability condition allowing for the use of linear piece-wise inter...
Keywords
Mixed FE formulation, non-linear analysis
Group of research
(MC)2 - UPC Computational continuum mechanics
RMEE - Strength of Materials and Structural Engineering Research Group

Participants