Consideration of Torsional Moment in Design of a Floating Structure

by John C. Sonnichsen,

Serial Information: Journal of the Waterways and Harbors Division, 1969, Vol. 95, Issue 1, Pg. 35-42

Document Type: Journal Paper


Experimental and analytical results were combined to develop a torsional moment spectrum for a semi-immersed rectangularly shaped prism (draft-water depth) = 0.25. Incident wave patterns were oriented perpendicular to the prism resulting in a two-dimensional analysis. The spectrum plots a dimensionless torque coefficient as a function of a dimensionless wave number. Comparison of Experimental and Analytical results indicate good agreement. Results also indicate that me magnitude of torsional moment that can be imposed upon a structure from wave action for the case examined is significant.

Subject Headings: Torsion | Prism | Two-dimensional analysis | Wave spectrum | Moment (mechanics) | Comparative studies | Agreements and treaties | Wave action

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