Quasi-Hydrodynamic Approach for Simulating Internal Wave Attractors

Quasi-Hydrodynamic Approach for Simulating Internal Wave Attractors

On the example of the problem of modeling wave attractors in a stratified fluid, the advantages of the quasi-hydrodynamic (QHDFoam) algorithm over the classical algorithm of operator splitting (PISO) are demonstrated. Both algorithms are implemented by the finite volume method based on the OpenFOAM...

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Veröffentlicht in:Mathematical models and computer simulations 2022, Vol.14 (4), p.547-558
1. Verfasser: Ryazanov, D. A.
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Sprache:eng
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Algorithms
Finite volume method
Internal waves
Mathematical Modeling and Industrial Mathematics
Mathematics
Mathematics and Statistics
Simulation and Modeling
Spectral element method
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description On the example of the problem of modeling wave attractors in a stratified fluid, the advantages of the quasi-hydrodynamic (QHDFoam) algorithm over the classical algorithm of operator splitting (PISO) are demonstrated. Both algorithms are implemented by the finite volume method based on the OpenFOAM open source software package. It is shown that the application of the PISO algorithm does not reproduce the dynamics of multiple reflection and focusing of internal waves in a stratified fluid during the interaction with the boundaries of the computational domain. The QHDFoam algorithm based on solving the regularized Navier–Stokes equations gives results close to the data of  the high-order spectral-element method, the data of which are considered as the reference in this study.
doi_str_mv 10.1134/S2070048222040093
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subjects Algorithms
Finite volume method
Internal waves
Mathematical Modeling and Industrial Mathematics
Mathematics
Mathematics and Statistics
Simulation and Modeling
Spectral element method
title Quasi-Hydrodynamic Approach for Simulating Internal Wave Attractors
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