Published in Computer Methods in Applied Mechanics and Engineering, Vol. 315, pp. 607-631, 2017
DOI: 10.1016/j.cma.2016.11.020


We present a new stabilized finite element (FEM) formulation for incompressible flows based on the Finite Increment Calculus (FIC) framework (Oñate, 1998). 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 (Oñate et al., 2014). The presented FIC-FEM formulation is used to simulate turbulent flows, using the dissipation introduced by the method to account for turbulent dissipation in the style of implicit large eddy simulation.

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Published on 01/01/2017

DOI: 10.1016/j.cma.2016.11.020
Licence: CC BY-NC-SA license

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