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Citation:
　Siti Ayishah Thaminah Hikmatullah Sahib,Muhammad Zahir Ramli,Muhammad Afiq Azman,et al.Rigid-Body Analysis of a Beveled Shape Structure in Regular Waves Using the Weakly Compressible Smoothed Particle Hydrodynamics (WCSPH) Method[J].Journal of Marine Science and Application,2021,(4):621-631.[doi:10.1007/s11804-021-00235-w]
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Rigid-Body Analysis of a Beveled Shape Structure in Regular Waves Using the Weakly Compressible Smoothed Particle Hydrodynamics (WCSPH) Method

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Title:
Rigid-Body Analysis of a Beveled Shape Structure in Regular Waves Using the Weakly Compressible Smoothed Particle Hydrodynamics (WCSPH) Method
Author(s):
Siti Ayishah Thaminah Hikmatullah Sahib1;  Muhammad Zahir Ramli2;  Muhammad Afiq Azman1;  Muhammad Mazmirul Abd Rahman1
Affilations:
Author(s):
Siti Ayishah Thaminah Hikmatullah Sahib1;  Muhammad Zahir Ramli2;  Muhammad Afiq Azman1;  Muhammad Mazmirul Abd Rahman1
1. Department of Marine Science, Kulliyyah of Science, International Islamic University Malaysia (IIUM), 25200, Kuantan, Malaysia;
2. Institute of Oceanography & Maritime Studies (INOCEM), Kulliyyah of Science, International Islamic University Malaysia (IIUM), 25200, Kuantan, Malaysia
Keywords:
DualSPHysics|Response amplitude operators|Seakeeping|Wave structure interaction|Weakly compressible
分类号:
-
DOI:
10.1007/s11804-021-00235-w
Abstract:
In many cases of wave structure interactions, three-dimensional models are used to demonstrate real-life complex environments in large domain scales. In the seakeeping context, predicting the motion responses in the interaction of a long body resembling a ship structure with regular waves is crucial and can be challenging. In this work, regular waves interacting with a rigid floating structure were simulated using the open-source code based on the weakly compressible smoothed particle hydrodynamics (WCSPH) method, and optimal parameters were suggested for different wave environments. Vertical displacements were computed, and their response amplitude operators (RAOs) were found to be in good agreement with experimental, numerical, and analytical results. Discrepancies of numerical and experimental RAOs tended to increase at low wave frequencies, particularly at amidships and near the bow. In addition, the instantaneous wave contours of the surrounding model were examined to reveal the effects of localized waves along the structure and wave dissipation. The results indicated that the motion response from the WCSPH responds well at the highest frequency range (ω > 5.235 rad/s).

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Memo

Memo:
Received date:2021-02-01;Accepted date:2021-09-22。
Foundation item:This work was funded by the Ministry of Higher Education (MOHE) of Malaysia under the Long Term Research Grant Scheme (LRGS) No. LRGS21-001–0005 and LRGS/1/2020/UMT/01/1/4.
Corresponding author:Muhammad Zahir Ramli,E-mail:mzbr@iium.edu.my
Last Update: 2022-03-21