Radiated force due to surge motion by a pair of submerged cylinder in water

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Abstract

Evaluation of hydrodynamic coefficients due to surge of submerged structure is great significant to designing a device which can be consider as a device of wave energy. In the present work, a theoretical approach is developed to describe radiation of water wave by fully submerged cylinder placed above a submerged circular plate in water of finite depth which is based on linear water wave theory The radiation problem due to surge motion by this pair of cylinders have investigated with the suspicion of linear water wave theory. To determine the radiated potentials in every area, we utilize the eigenfunction expansion method and variables separation method. Finally, we derived the analytical expressions of Hydrodynamic coefficients i. e. added mass and damping coefficient due to surge and associated unknown coefficients are calculated by utilizing the matching conditions between the physical and virtual boundaries. A set of added mass and damping coefficient have presented graphically for various radius of the submerge cylinder.

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Borah, P., & Konch, N. (2019). Radiated force due to surge motion by a pair of submerged cylinder in water. International Journal of Innovative Technology and Exploring Engineering, 8(10), 3205–3210. https://doi.org/10.35940/ijitee.J1161.0881019

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