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Numerical Wave Interaction with Tetrapods Breakwater<br />

Mohd Imran bin Ramli<br />

Supervisor: Assoc. Prof. Ir. Dr. Mohammad Fadhli bin Ahmad<br />

Bachelor of Applied Science (Maritime Technology)<br />

School of Ocean Engineering<br />

Universiti Malaysia Terengganu<br />

This study provides a result of a new procedure to analyze the hydrodynamic aspects<br />

of the interactions between maritime e<strong>merged</strong> breakwaters and waves by integrating<br />

CAD and CFD. The structure is modeled in the numerical domain by overlapping<br />

individual three-dimensional elements (Tetrapods) which very much like the real world<br />

or laboratory testing. Flow of the fluid within the interstices among concrete blocks is<br />

evaluated by integrating the RANS equations. The aim is to investigate the reliability<br />

of this approach as a design tool. Therefore, for the result validation, the numerical<br />

run-up and reflection effects on virtual breakwater were compared with some<br />

empirical formulae and some similar laboratory tests. The expected result can be used<br />

in the breakwater design phase for comparison between several design solutions with<br />

a significant minor cost.<br />

229 | U M T U N D E R G R A D U A T E R E S E A R C H D A Y 2 0 1 9

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