The reliability of offshore structure is dominantly affected by the wind-generated random waves load. Hence, an appropriate technique is required in predicting the extreme response due to the dominant load. Monte Carlo (MC) time simulation is said to be the most accurate technique. However, such analysis leads to a large number of response records which is computationally demanding. Current finding shows that a modified finite-memory nonlinear system offered more efficient technique. Still, the accuracy is getting severe once negative current is considered. Hence, improved version of MFMNS technique is required by modelling the residue between the extreme values from MC and the approximate MFMNS techniques; known as the eMFMNS technique. In advanced, a comprehensive study on eMFMNS technique will be carried out involving a wide range of environmental conditions. From the investigation, it is proven that eMFMNS technique improved the accuracy in predicting extreme values compare to MFMNS technique.
Efficient derivation of extreme offshore structural response exposed to random wave loads
Ships and Offshore Structures ; 13 , 7 ; 719-733
2018-10-03
15 pages
Article (Journal)
Electronic Resource
English
DESIGN WAVE CONDITION FOR EXTREME WAVE-INDUCED LOADS BASED ON LINEAR RESPONSE PREDICTION
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