Generation of Linear and Nonlinear Waves in a Numerical Wave Tank Using CT-VOF Method

H.Saghi; M.J.Ketabdari; S.Booshi

doi:10.3879/j.issn.1000-0887.2012.09.007

Volume 33 Issue 9

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H.Saghi, M.J.Ketabdari, S.Booshi. Generation of Linear and Nonlinear Waves in a Numerical Wave Tank Using CT-VOF Method[J]. Applied Mathematics and Mechanics, 2012, 33(9): 1102-1114. doi: 10.3879/j.issn.1000-0887.2012.09.007

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Generation of Linear and Nonlinear Waves in a Numerical Wave Tank Using CT-VOF Method

doi: 10.3879/j.issn.1000-0887.2012.09.007

¹Department of Civil Engineering, Ferdowsi University, Mashhad, Iran;²Faculty of Marine Technology, Amirkabir University of Technology, P.O. Box 158754413, 424 Hafez Avenue, Tehran, Iran

Received Date: 2011-06-06
Rev Recd Date: 2011-12-28
Publish Date: 2012-09-15

Abstract

Abstract

A two-dimensional numerical model was developed for wave simulation and propagation in a wave flume. The fluid flow was assumed to be viscous and incompressible and NavierStokes and continuity equations were used as governing equations. Standard k-ε model was used to model turbulent flow. The Navier-Stokes equations were discretized using staggered grids finite difference method and solved by SMAC method. Waves were generated and propagated using a piston type wave maker. An open boundary condition was used at the end of numerical flume. Some standard tests such as lid-driven cavity, constant unidirectional velocity field, shearing flow and dambreak on dry bed were performed to validate the model. To demonstrate the capability and accuracy of the present method, the results of generated waves were compared with available wave theories. Finally, clustering technique (CT) was used for mesh generation and the best condition was suggested.
- numerical wave tank,
- free surface simulation,
- Navier-Stokes equations,
- staggered grids,
- clustering technique,
- wave generation

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References(35)

References

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