Wave-induced response in a rigid porous bed

Ching-Jer Huang, H. H. Chang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A numerical scheme has been developed to simulate the propagation of water waves over a rigid porous bed. The governing equations for the fluid in the water region are the Navier-Stokes equations. In the governing equations for the motion of a viscous fluid in the porous bed, both the inertial and viscous forces are taken into account. The boundary conditions on the free surface and at the interface of the water and the porous bed are exact. The incoming waves were generated by a piston type wavemaker set up in the computational domain. The numerical results were verified by comparison with the experimental data. The main characteristics of the flow fields in both the water region and the porous bed are discussed by specifying the velocity fields. The effects of a dimensionless parameter, which represents the ratio of the interfacial force to the inertial force acting on the porous fluid, on the wave height attenuation were studied and discussed.

Original languageEnglish
Title of host publicationProceedings of the 1999 Ninth International Offshore and Polar Engineering Conference (Volume 3), Brest, France, 30 May - 4 June 1999
EditorsJ S Chung, M Olagnon, C H Kim, A Francescutto, J S Chung, M Olagnon, C H Kim, A Francescutto
PublisherInternational Society of Offshore and Polar Engineers
Pages355-362
Number of pages8
ISBN (Print)1880653427
Publication statusPublished - 1999
EventProceedings of the 1999 Ninth International Offshore and Polar Engineering Conference - Brest, France
Duration: 1999 May 301999 Jun 4

Other

OtherProceedings of the 1999 Ninth International Offshore and Polar Engineering Conference
CountryFrance
CityBrest
Period99-05-3099-06-04

Fingerprint

induced response
Fluids
fluid
Water
water wave
Water waves
Navier-Stokes equations
wave height
Pistons
water
flow field
Navier Stokes equations
Flow fields
boundary condition
Boundary conditions

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)
  • Engineering(all)
  • Environmental Science(all)

Cite this

Huang, C-J., & Chang, H. H. (1999). Wave-induced response in a rigid porous bed. In J. S. Chung, M. Olagnon, C. H. Kim, A. Francescutto, J. S. Chung, M. Olagnon, C. H. Kim, ... A. Francescutto (Eds.), Proceedings of the 1999 Ninth International Offshore and Polar Engineering Conference (Volume 3), Brest, France, 30 May - 4 June 1999 (pp. 355-362). International Society of Offshore and Polar Engineers.
Huang, Ching-Jer ; Chang, H. H. / Wave-induced response in a rigid porous bed. Proceedings of the 1999 Ninth International Offshore and Polar Engineering Conference (Volume 3), Brest, France, 30 May - 4 June 1999. editor / J S Chung ; M Olagnon ; C H Kim ; A Francescutto ; J S Chung ; M Olagnon ; C H Kim ; A Francescutto. International Society of Offshore and Polar Engineers, 1999. pp. 355-362
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Huang, C-J & Chang, HH 1999, Wave-induced response in a rigid porous bed. in JS Chung, M Olagnon, CH Kim, A Francescutto, JS Chung, M Olagnon, CH Kim & A Francescutto (eds), Proceedings of the 1999 Ninth International Offshore and Polar Engineering Conference (Volume 3), Brest, France, 30 May - 4 June 1999. International Society of Offshore and Polar Engineers, pp. 355-362, Proceedings of the 1999 Ninth International Offshore and Polar Engineering Conference, Brest, France, 99-05-30.

Wave-induced response in a rigid porous bed. / Huang, Ching-Jer; Chang, H. H.

Proceedings of the 1999 Ninth International Offshore and Polar Engineering Conference (Volume 3), Brest, France, 30 May - 4 June 1999. ed. / J S Chung; M Olagnon; C H Kim; A Francescutto; J S Chung; M Olagnon; C H Kim; A Francescutto. International Society of Offshore and Polar Engineers, 1999. p. 355-362.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - A numerical scheme has been developed to simulate the propagation of water waves over a rigid porous bed. The governing equations for the fluid in the water region are the Navier-Stokes equations. In the governing equations for the motion of a viscous fluid in the porous bed, both the inertial and viscous forces are taken into account. The boundary conditions on the free surface and at the interface of the water and the porous bed are exact. The incoming waves were generated by a piston type wavemaker set up in the computational domain. The numerical results were verified by comparison with the experimental data. The main characteristics of the flow fields in both the water region and the porous bed are discussed by specifying the velocity fields. The effects of a dimensionless parameter, which represents the ratio of the interfacial force to the inertial force acting on the porous fluid, on the wave height attenuation were studied and discussed.

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Huang C-J, Chang HH. Wave-induced response in a rigid porous bed. In Chung JS, Olagnon M, Kim CH, Francescutto A, Chung JS, Olagnon M, Kim CH, Francescutto A, editors, Proceedings of the 1999 Ninth International Offshore and Polar Engineering Conference (Volume 3), Brest, France, 30 May - 4 June 1999. International Society of Offshore and Polar Engineers. 1999. p. 355-362