Wave Loading Linearization for Offshore Structures

by Sau-Lon James Hu, Univ of Rhode Island, Kingston, United States,
George Tsiatas, Univ of Rhode Island, Kingston, United States,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


The linearization of Morison-type wave loading is to replace u|u| by cu, where u is a zero mean, stationary Gaussian random process and c is a constant. In the present study an optimal linearization is proposed, in which the coefficient c is chosen in such a way that the statistics of structural response calculated from the linearized force will be identical to that calculated from the originally non-linear force.

Subject Headings: Offshore structures | Linear functions | Load factors | Stationary processes | Gaussian process | Statistics | Structural response | Equations of motion

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