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Citation:
　Javad Mohammadbagheri,Fouad Salimi,Maryam Rahbani.Applying Finite Difference Method to Simulate the Performance of a Perforated Breakwater Under Regular Waves[J].Journal of Marine Science and Application,2019,(3):314-324.[doi:10.1007/s11804-019-00095-5]
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Applying Finite Difference Method to Simulate the Performance of a Perforated Breakwater Under Regular Waves

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Title:
Applying Finite Difference Method to Simulate the Performance of a Perforated Breakwater Under Regular Waves
Author(s):
Javad Mohammadbagheri1;  Fouad Salimi2;  Maryam Rahbani3
Affilations:
Author(s):
Javad Mohammadbagheri1;  Fouad Salimi2;  Maryam Rahbani3
1 Department of Civil Engineering, Amirkabir University, Tehran 1134, Iran;
2 Department of Engineering, University of Hormozgan, Bandar Abbas 79131, Iran;
3 Department of Marine Science and Technology, University of Hormozgan, Bandar Abbas 79131, Iran
Keywords:
Perforated breakwater; Transmission coefficient; Reflection coefficient; Numerical model; Finite difference method; Regular waves
分类号:
-
DOI:
10.1007/s11804-019-00095-5
Abstract:
Using a discretized finite difference method, a numerical model was developed to study the interaction of regular waves with a perforated breakwater. Considering a non-viscous, non-rotational fluid, the governing equations of Laplacian velocity potential were developed, and specific conditions for every single boundary were defined. The final developed model was evaluated based on an existing experimental result. The evaluated model was used to simulate the condition for various wave periods from 0.6 to 2 s. The reflection coefficient and transmission coefficient of waves were examined with different breakwater porosities, wave steepnesses, and angular frequencies. The results show that the developed model can suitably present the effect of the structural and hydraulic parameters on the reflection and transmission coefficients. It was also found that with the increase in wave steepness, the reflection coefficient increased logarithmically, while the transmission coefficient decreased logarithmically.

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Memo

Memo:
Received date:2017-11-03;Accepted date:2018-11-18。
Corresponding author:Maryam Rahbani,maryamrahbani@yahoo.com
Last Update: 2019-09-18