Numerical simulation of water flow around a rigid fishing net

This paper is devoted to the simulation of the flow around and inside a rigid axisymmetric net. We describe first how experimental data have been obtained. We show in detail the modelization. The model is based on a Reynolds Averaged Navier–Stokes turbulence model penalized by a term based on the Br...

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Bibliographic Details
Published in:Computer methods in applied mechanics and engineering 2007-01, Vol.196 (45), p.4737-4754
Main Authors: Lewandowski, Roger, Pichot, Géraldine
Format: Article
Language:English
Subjects:
Computational techniques
Elliptic equations
Engineering Sciences
Exact sciences and technology
Fishing nets
Fluid dynamics
Fluid mechanics
Fluids mechanics
Fundamental areas of phenomenology (including applications)
General theory
Mathematical methods in physics
Mechanics
Physics
Sobolev spaces
Turbulence models
Variational formulations
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Summary:This paper is devoted to the simulation of the flow around and inside a rigid axisymmetric net. We describe first how experimental data have been obtained. We show in detail the modelization. The model is based on a Reynolds Averaged Navier–Stokes turbulence model penalized by a term based on the Brinkman law. At the out-boundary of the computational box, we have used a “ghost” boundary condition. We show that the corresponding variational problem has a solution. Then the numerical scheme is given and the paper finishes with numerical simulations compared with the experimental data.
ISSN:0045-7825
1879-2138
DOI:10.1016/j.cma.2007.06.007