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Beach morphology and sand characteristic at selected recreational beaches along northern region of Pahang coastline

Ramli, Muhammad Zahir and Syafiq Hamsan, Muhammad Amirul (2018) Beach morphology and sand characteristic at selected recreational beaches along northern region of Pahang coastline. In: Tropical Oceans and Marine Science Symposium (TOMSY 2018), 30th-31st October 2018, Kuala Terengganu, Terengganu. (Unpublished)

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Smoothed Particle Hydrodynamics (SPH), a fully Lagrangian meshless method, has been used in a wide variety of hydrodynamic problems overcoming the limitation of finite volume and element type methods. In previous work, weakly compressible SPH (WCSPH) has proven to be stable in the prediction of hydrodynamic coefficients of sway, heave and rolling motions. The current research attempt to demonstrate WCSPH in the analysis of diffraction problem by investigating the behaviour of a fixed 2D rectangular section in regular waves. The incoming waves generated by a piston-type wavemaker would encounter the section creating diffraction interference of waves. The interactions between waves and fixed section are shown through transmission of forces from the waves to the section and vice versa. The predicted hydrodynamic forces of horizontal force, vertical force and overturning moment by WCSPH are then analysed and validated against analytical solutions. Finally, a convergence analysis is carried out to identify the suitable particle resolution needed for accurate representation of hydrodynamic forces.

Item Type: Conference or Workshop Item (Slide Presentation)
Additional Information: 7828/80493
Uncontrolled Keywords: Particle method; diffraction; weakly compressible; hydrodynamics; waves
Subjects: G Geography. Anthropology. Recreation > GB Physical geography
G Geography. Anthropology. Recreation > GE Environmental Sciences
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science > Institute of Oceanography and Maritime Studies
Kulliyyah of Science > Department of Marine Science
Depositing User: Dr Muhammad Zahir Ramli
Date Deposited: 05 Jun 2020 09:16
Last Modified: 05 Jun 2020 09:16
URI: http://irep.iium.edu.my/id/eprint/80493

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