Universiti Teknologi Malaysia Institutional Repository

Comparison of the extreme responses from different methods of simulating wave kinematics

Mohd. Zaki, N. I. and Abu Husain, M. K. and Najafian, G. (2015) Comparison of the extreme responses from different methods of simulating wave kinematics. In: 6th International Conference on Computational Methods in Marine Engineering, MARINE 2015, 15-17 Jun 2015, Rome, Italy.

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Linear random wave theory (LRWT) is frequently used to simulate water particle kinematics at different nodes of an offshore structure from a reference surface elevation record. However, it is well known that LRWT leads to water particle kinematics with exaggerated high-frequency components in the vicinity of mean water level (MWL). Methods have been introduced to overcome this problem of high kinematics above the MWL consists of using linear wave theory (such as Wheeler, vertical stretching, effective node elevation and effective water depth methods) can be used to provide a more realistic representation of near- surface wave kinematics. There is promising as there is some evidence that the water particle kinematics from the Wheeler method are underestimated and that those from the vertical stretching method are somewhat exaggerated. In this paper, the comparisons of the probability distributions of extreme values from different methods of simulation wave kinematics are investigated by using Monte Carlo simulation procedure.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:kinematics, linear random wave theory
Subjects:T Technology > T Technology (General)
Divisions:Razak School of Engineering and Advanced Technology
ID Code:59196
Deposited By: Haliza Zainal
Deposited On:18 Jan 2017 01:50
Last Modified:24 Oct 2021 07:58

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