Universiti Teknologi Malaysia Institutional Repository

The effect of different methods of simulating water particle kinematics on the 100-year responses

Zaki, N. I. M. and Husain, M. K. A. and Shuhaimy, N. A. and Najafian, G. (2016) The effect of different methods of simulating water particle kinematics on the 100-year responses. In: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2016, 19 - 24 June 2016, Busan, South Korea.

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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). A number of empirical techniques have been suggested to provide a more realistic representation of near surface wave kinematics. The empirical techniques popular in the offshore industry include Wheeler stretching, linear extrapolation, delta stretching, and vertical stretching. Each of these methods is intended to calculate sensible kinematics above the MWL, yet they have been found to differ from one another in the results yielded. In this paper, two new methods of simulating water particle kinematics are introduced. In this study, the values of 100-year responses derived from different methods of simulating wave kinematics are compared.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Effective Node Elevation, Hybrid Wave Model, Morison's Equation, Offshore Structure, The Effective Water Depth, Vertical Stretching, Wheeler Stretching
Subjects:T Technology > T Technology (General)
Divisions:Razak School of Engineering and Advanced Technology
ID Code:73681
Deposited By: Mohd Zulaihi Zainudin
Deposited On:20 Nov 2017 08:43
Last Modified:20 Nov 2017 08:43

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