<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The time domain boundary element method was utilized to simulate the propagation of the irregular waves in a numerical wave tank. The problem was solved in a time-marching scheme, upon the irregular waves being fed through the inflow boundary, in which the theoretical solution was obtained from the wave energy spectrum. The open boundary condition was modeled by the multi transmitting formula (MTF), in which the phase velocity was calculated according to the Sommerfeld’s condition. The velocity potential and wave elevation were directly obtained by integrating the free surface condition twice, with respect to time. The accuracy of the developed numerical scheme was verified by simulating the propagation of irregular waves. The numerical results show good agreements with the analytical solutions, which prove that the proposed scheme is a promising way to the simulation of wave-body interactions.</p></abstract>

The time domain boundary element method was utilized to simulate the propagation of the irregular waves in a numerical wave tank. The problem was solved in a time-marching scheme, upon the irregular waves being fed through the inflow boundary, in which the theoretical solution was obtained from the wave energy spectrum. The open boundary condition was modeled by the multi transmitting formula (MTF), in which the phase velocity was calculated according to the Sommerfeld’s condition. The velocity potential and wave elevation were directly obtained by integrating the free surface condition twice, with respect to time. The accuracy of the developed numerical scheme was verified by simulating the propagation of irregular waves. The numerical results show good agreements with the analytical solutions, which prove that the proposed scheme is a promising way to the simulation of wave-body interactions.

Simulation of Irregular Waves in a Numerical Wave Tank

College of Shipbuilding Engineering, Harbin Engineering University, Harbin Heilongjiang. China

Department of Geology, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia

Faculty of Science & Natural Resources, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Simulation of Irregular Waves in a Numerical Wave Tank"}

The time domain boundary element method was utilized to simulate the propagation of the irregular waves in a numerical wave tank. The problem was solved in a...

Simulation of Irregular Waves in a Numerical Wave Tank

Published Online: Oct 15, 2015

Page range: 21 - 25

DOI: https://doi.org/10.1515/pomr-2015-0027

Keywords
open boundary condition, Multi transmitting formula, Irregular waves, Boundary element method, Numerical wave tank

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Simulation of Irregular Waves in a Numerical Wave Tank

Published Online: Oct 15, 2015

Page range: 21 - 25

DOI: https://doi.org/10.1515/pomr-2015-0027

Keywordsopen boundary condition, Multi transmitting formula, Irregular waves, Boundary element method, Numerical wave tank

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
open boundary condition, Multi transmitting formula, Irregular waves, Boundary element method, Numerical wave tank