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Mathematical Models and Computer Simulations

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01-08-2022

Quasi-Hydrodynamic Approach for Simulating Internal Wave Attractors

Author: D. A. Ryazanov

Published in: Mathematical Models and Computer Simulations | Issue 4/2022

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Abstract

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.

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Title: Quasi-Hydrodynamic Approach for Simulating Internal Wave Attractors
Author: D. A. Ryazanov
Publication date: 01-08-2022
Publisher: Pleiades Publishing
Published in: Mathematical Models and Computer Simulations / Issue 4/2022
Print ISSN: 2070-0482
Electronic ISSN: 2070-0490
DOI: https://doi.org/10.1134/S2070048222040093

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