Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM

Numerical wave simulation is a significant research topic. In this paper, the open source computational fluid dynamics (CFD) platform, OpenFOAM, is utilized to simulate Stokes fifth-order waves. Since geometrical volume-of-fluid (VOF) could better capture free surface due to its geometrical reconstr...

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Autores principales:	TIAN Kang, ZHANG Yao, LI Jinlong, ZHANG Xinshu, YOU Yunxiang
Formato:	article
Lenguaje:	ZH
Publicado:	Editorial Office of Journal of Shanghai Jiao Tong University 2021
Materias:	openfoam geometrical volume-of-fluid (vof) stokes fifth-order waves relaxation zone scheme Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Naval architecture. Shipbuilding. Marine engineering VM1-989
Acceso en línea:	https://doaj.org/article/33b00beeb16246f8bdb4bfaa3b2b9541
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spelling	oai:doaj.org-article:33b00beeb16246f8bdb4bfaa3b2b95412021-11-04T09:35:15ZNumerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM1006-246710.16183/j.cnki.jsjtu.2020.99.015https://doaj.org/article/33b00beeb16246f8bdb4bfaa3b2b95412021-01-01T00:00:00Zhttp://xuebao.sjtu.edu.cn/CN/10.16183/j.cnki.jsjtu.2020.99.015https://doaj.org/toc/1006-2467Numerical wave simulation is a significant research topic. In this paper, the open source computational fluid dynamics (CFD) platform, OpenFOAM, is utilized to simulate Stokes fifth-order waves. Since geometrical volume-of-fluid (VOF) could better capture free surface due to its geometrical reconstruction step, the free surface simulations are accomplished by applying OpenFOAM built-in geometrical VOF method-isoAdvector, and the relaxation zone scheme is introduced through secondary development for wave absorption. The mesh density and Courant number convergence analyses with geometrical VOF are conducted. The simulation shows that satisfactory results could be obtained with a large Courant number. The algebraic and geometrical VOF simulated data with respect to wave elevation and phase at varied wave steepnesses and frequencies are recorded and compared with the theoretical value of Stokes fifth-order waves, which demonstrates that geometrical VOF is better than algebraic VOF in the prediction of wave elevation. Finally, the lengths and weights of the wave absorption zone are discussed, and the results imply that the best practice for the wave absorption is assigning the wave absorption zone length at least two times of the wave length along with applying exponential weight distribution.TIAN KangZHANG YaoLI JinlongZHANG XinshuYOU YunxiangEditorial Office of Journal of Shanghai Jiao Tong Universityarticleopenfoamgeometrical volume-of-fluid (vof)stokes fifth-order wavesrelaxation zone schemeEngineering (General). Civil engineering (General)TA1-2040Chemical engineeringTP155-156Naval architecture. Shipbuilding. Marine engineeringVM1-989ZHShanghai Jiaotong Daxue xuebao, Vol 55, Iss 01, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	ZH
topic	openfoam geometrical volume-of-fluid (vof) stokes fifth-order waves relaxation zone scheme Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Naval architecture. Shipbuilding. Marine engineering VM1-989
spellingShingle	openfoam geometrical volume-of-fluid (vof) stokes fifth-order waves relaxation zone scheme Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Naval architecture. Shipbuilding. Marine engineering VM1-989 TIAN Kang ZHANG Yao LI Jinlong ZHANG Xinshu YOU Yunxiang Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM
description	Numerical wave simulation is a significant research topic. In this paper, the open source computational fluid dynamics (CFD) platform, OpenFOAM, is utilized to simulate Stokes fifth-order waves. Since geometrical volume-of-fluid (VOF) could better capture free surface due to its geometrical reconstruction step, the free surface simulations are accomplished by applying OpenFOAM built-in geometrical VOF method-isoAdvector, and the relaxation zone scheme is introduced through secondary development for wave absorption. The mesh density and Courant number convergence analyses with geometrical VOF are conducted. The simulation shows that satisfactory results could be obtained with a large Courant number. The algebraic and geometrical VOF simulated data with respect to wave elevation and phase at varied wave steepnesses and frequencies are recorded and compared with the theoretical value of Stokes fifth-order waves, which demonstrates that geometrical VOF is better than algebraic VOF in the prediction of wave elevation. Finally, the lengths and weights of the wave absorption zone are discussed, and the results imply that the best practice for the wave absorption is assigning the wave absorption zone length at least two times of the wave length along with applying exponential weight distribution.
format	article
author	TIAN Kang ZHANG Yao LI Jinlong ZHANG Xinshu YOU Yunxiang
author_facet	TIAN Kang ZHANG Yao LI Jinlong ZHANG Xinshu YOU Yunxiang
author_sort	TIAN Kang
title	Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM
title_short	Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM
title_full	Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM
title_fullStr	Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM
title_full_unstemmed	Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM
title_sort	numerical wave simulation using geometrical vof method based on openfoam
publisher	Editorial Office of Journal of Shanghai Jiao Tong University
publishDate	2021
url	https://doaj.org/article/33b00beeb16246f8bdb4bfaa3b2b9541
work_keys_str_mv	AT tiankang numericalwavesimulationusinggeometricalvofmethodbasedonopenfoam AT zhangyao numericalwavesimulationusinggeometricalvofmethodbasedonopenfoam AT lijinlong numericalwavesimulationusinggeometricalvofmethodbasedonopenfoam AT zhangxinshu numericalwavesimulationusinggeometricalvofmethodbasedonopenfoam AT youyunxiang numericalwavesimulationusinggeometricalvofmethodbasedonopenfoam
_version_	1718444951567597568

Numerical Wave Simulation Using Geometrical VOF Method Based on OpenFOAM

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