An Assessment of Linear Spectral Analysis Method for Offshore Structures via Random Sea Simulation

[+] Author and Article Information
S. Kao

Mobil Research and Development Corporation, Dallas, Tex. 75221

J. Energy Resour. Technol 104(1), 39-46 (Mar 01, 1982) (8 pages) doi:10.1115/1.3230378 History: Received October 17, 1980; Revised June 01, 1981; Online October 22, 2009


With random sea simulation, application of linear spectral analysis method to offshore structures with moderate drag force has been assessed. Findings indicate overprediction of response for short natural periods and underprediction for very long periods. Tentative corrective measures are recommended. Significant force and response reductions have been calculated for flexible structures which are not adequately predicted by the linear spectral method.

Copyright © 1982 by ASME
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