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A FIC-based stabilized finite element formulation for turbulent flows

Author
Cotela, J.; Rossi, R.; Oñate, E.
Type of activity
Journal article
Journal
Computer methods in applied mechanics and engineering
Date of publication
2017-03
Volume
315
First page
607
Last page
631
DOI
https://doi.org/10.1016/j.cma.2016.11.020 Open in new window
Repository
http://hdl.handle.net/2117/100097 Open in new window
URL
http://www.sciencedirect.com/science/article/pii/S004578251630799X Open in new window
Abstract
We present a new stabilized finite element (FEM) formulation for incompressible flows based on the Finite Increment Calculus (FIC) framework. In comparison to existing FIC approaches for fluids, this formulation involves a new term in the momentum equation, which introduces non-isotropic dissipation in the direction of velocity gradients. We also follow a new approach to the derivation of the stabilized mass equation, inspired by recent developments for quasi-incompressible flows. The presented ...
Citation
Cotela, J., Rossi, R., Oñate, E. A FIC-based stabilized finite element formulation for turbulent flows. "Computer methods in applied mechanics and engineering", Març 2017, vol. 315, p. 607-631.
Keywords
Finite Increment Calculus, Stabilized finite elements, Turbulence modeling
Group of research
(MC)2 - UPC Computational continuum mechanics
GMNE - Numerical Methods in Engineering Group
RMEE - Strength of Materials and Structural Engineering Research Group

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