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.
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ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
June 19–24, 2016
Busan, South Korea
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4998-9
PROCEEDINGS PAPER
The Effect of Different Methods of Simulating Water Particle Kinematics on the 100-Year Responses Available to Purchase
N. I. Mohd Zaki,
N. I. Mohd Zaki
Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
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M. K. Abu Husain,
M. K. Abu Husain
Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
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N. Abdullah Shuhaimy,
N. Abdullah Shuhaimy
Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
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G. Najafian
G. Najafian
University of Liverpool, Liverpool, UK
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N. I. Mohd Zaki
Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
M. K. Abu Husain
Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
N. Abdullah Shuhaimy
Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
G. Najafian
University of Liverpool, Liverpool, UK
Paper No:
OMAE2016-54207, V007T06A102; 9 pages
Published Online:
October 18, 2016
Citation
Mohd Zaki, NI, Abu Husain, MK, Abdullah Shuhaimy, N, & Najafian, G. "The Effect of Different Methods of Simulating Water Particle Kinematics on the 100-Year Responses." Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 7: Ocean Engineering. Busan, South Korea. June 19–24, 2016. V007T06A102. ASME. https://doi.org/10.1115/OMAE2016-54207
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