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Explicit mixed strain–displacement finite elements for compressible and quasi-incompressible elasticity and plasticity

Author
Cervera, M.; Lafontaine, N. M.; Rossi, R.; Chiumenti, M.
Type of activity
Journal article
Journal
Computational mechanics
Date of publication
2016-09
Volume
58
Number
3
First page
511
Last page
532
DOI
https://doi.org/10.1007/s00466-016-1305-z Open in new window
Repository
http://hdl.handle.net/2117/98173 Open in new window
URL
http://link.springer.com/article/10.1007%2Fs00466-016-1305-z Open in new window
Abstract
The final publication is available at Springer via http://dx.doi.org/ 10.1007/s00466-016-1305-z This paper presents an explicit mixed finite element formulation to address compressible and quasi-incompressible problems in elasticity and plasticity. This implies that the numerical solution only involves diagonal systems of equations. The formulation uses independent and equal interpolation of displacements and strains, stabilized by variational subscales. A displacement sub-scale is introduced in...
Citation
Cervera, M., Lafontaine, N., Rossi, R., Chiumenti, M. Explicit mixed strain–displacement finite elements for compressible and quasi-incompressible elasticity and plasticity. "Computational mechanics", Setembre 2016, vol. 58, núm. 3, p. 511-532.
Keywords
Explicit mixed finite elements, Incompressibility, Mesh independence, Plasticity, Stabilization, Strain localization, Strain softening
Group of research
(MC)2 - UPC Computational continuum mechanics
RMEE - Strength of Materials and Structural Engineering Research Group

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