Dynamic Responses of Floating Structures

by Jun G. Chao, Research Specialist; Exxon Production Research Co., Houston, Tex.,

Serial Information: Journal of the Waterway Port Coastal and Ocean Division, 1978, Vol. 104, Issue 2, Pg. 105-118

Document Type: Journal Paper


Theoretical and experimental studies were conducted to investigate wave loadings on, and structural responses of, floating platforms. Strip theory is applied to calculate wave forces on the structure. The wave forces, the interaction between waves and the structure, and the resulting inertia forces are then applied to the structure, as external forces, to calculate member stresses. The structure is treated as a space frame for stress calculations. Typical characteristics of dynamic stresses resulting from wave loading are considered. A wave tank model test program was conducted to collect strain data. The model test program, measurements, and correlation of measured data with theoretical calculations are considered. Satisfactory agreement was found between theoretical stress calculation and measured data.

Subject Headings: Dynamic response | Structural response | Wave forces | Space frames | Dynamic loads | Stress waves | Wave tanks | Load factors

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