Publications

2.1.350 Mohapatra, S.C. and Guedes Soares, C. (2021), “Surface gravity wave interaction with a horizontal flexible floating plate and submerged flexible porous plate”, Ocean Engineering, Vol. 237, 109621.

An analytical study associated with surface gravity wave interaction with a horizontal flexible floating and a submerged porous plate is presented under linearized water wave theory and small amplitude structural response. The expansion formulae of the referred problem based on Green’s function technique is derived using the two-dimensional Laplace equation and fundamental solution of source potentials in finite and infinite water depths. The velocity potential for the free oscillations in a closed basin is derived and the hydroelastic wave characteristics in floating and submerged flexural modes are analyzed in specific cases. Further, the usefulness of the expansion formula is demonstrated by analyzing a real physical problem of wave interaction with a moored flexible floating plate and a moored submerged flexible porous plate of finite dimensions in finite water depth. The convergence of the present solution is checked and the effect of a moored finite submerged porous plate on the moored finite flexible floating plate with different design parameters are analyzed. It is observed that the present analysis may be helpful for better understanding in designing a floating and submerged flexible porous plate system for application as a breakwater.

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