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<p>This thesis presents a study of free surface effects on submerged bodies. The motivation for this study lies in the significance of free surface suction effects during submarine operations at periscope depth. Such operations become increasingly important as new roles for the Navy in littoral waters are emerging. Particular emphasis is placed on computation of steady state forces on the body as a function of speed, depth, and wave frequency and direction. These forces constitute an important and very frequently limiting factor in establishing the periscope depth submerged operating envelope. Solution of the problem is accomplished by singularity distribution on the actual surface of the body and discretization in the form of plane quadrilateral elements. Parametric studies are conducted in order to assess the effects of body shape and size. The results of this thesis can be directly utilized in the simulation based design process as well as during training.
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<br>Subjects: NA</div>
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Crook, Thomas P.</div>
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