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1. Bay, Raymond James. Improved Design Method for Cambered Stepped Hulls with High Deadrise.

Degree: MS, Ocean Engineering, 2019, Virginia Tech

Eugene Clement developed a new design method to improve the performance of ultra-fast planing crafts. A planing craft uses the force generated from the flow of water over the bottom to lift the vessel without the use of the static buoyancy force that classic boat designs rely on. Clement wanted to improve the performance of the planing vessel by reducing the total drag force caused by the flow of water on the bottom of the vessel. ClementâĂŹs design method involves reducing the wetted surface area which reduces drag. Reducing the wetted surface area would normally cause the lifting force on the vessel to reduce, but with the addition of curvature in the smaller wetted surface area, the lifting force would remain the same. ClementâĂŹs new design method requires multiple iterations to obtain an optimal design. The method limits the angle of the vessels bottom relative to horizontal to under 15 degree. The goal of this thesis is to create a new design method for planing vessels with bottoms that have an incline of 15 degrees or more relative to horizontal. The design method is created using Computational Fluid Dynamics (CFD) solver to model the planing surface moving through water. The CFD solver is validated with experimental test performed at the United States Naval Academy. The improved design method uses equations that can predict the forces and other design characteristics based on the desired vessel weight and seakeeping requirements. Advisors/Committee Members: Brizzolara, Stefano (committeechair), Paterson, Eric G. (committee member), Brown, Alan J. (committee member).

Subjects/Keywords: CFD; Planing Surface; Cambered Step Hull

…2 1.3 Cambered Step Planing Hull [4]… …complete cambered step hull with a hydrofoil shown in Figure 1.3. The cambered step is… …the cambered section is presented in Section 1.3.1. Figure 1.3: Cambered Step Planing Hull… …x5B;4] 1.3.1 Clement’s Cambered Step Design Procedure The dynaplane hull design… …cambered step portion of the dynaplane hull is presented in the following seventeen steps. 1… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Bay, R. J. (2019). Improved Design Method for Cambered Stepped Hulls with High Deadrise. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/90298

Chicago Manual of Style (16th Edition):

Bay, Raymond James. “Improved Design Method for Cambered Stepped Hulls with High Deadrise.” 2019. Masters Thesis, Virginia Tech. Accessed January 18, 2021. http://hdl.handle.net/10919/90298.

MLA Handbook (7th Edition):

Bay, Raymond James. “Improved Design Method for Cambered Stepped Hulls with High Deadrise.” 2019. Web. 18 Jan 2021.

Vancouver:

Bay RJ. Improved Design Method for Cambered Stepped Hulls with High Deadrise. [Internet] [Masters thesis]. Virginia Tech; 2019. [cited 2021 Jan 18]. Available from: http://hdl.handle.net/10919/90298.

Council of Science Editors:

Bay RJ. Improved Design Method for Cambered Stepped Hulls with High Deadrise. [Masters Thesis]. Virginia Tech; 2019. Available from: http://hdl.handle.net/10919/90298

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