Dynamic wave interaction analysis of floating elastic plates

Three-D finite element formulation of wave-structure interaction analysis considering elastic deformation has been presented. Linearized potential which is the addition of scattering wave potential and radiation potential has been directly coupled with the elastic deformation so that they give the equilibrium of forces at the boundary of wave and plates and to satisfy the compatibility condition. The infinite boundary condition is satisfied by hybrid method that connects the numerical solution with analytical solution at certain boundary. In this way, quite efficient and consistent finite element solution algorism is obtained. Moreover, the method to reduce the degree of freedoms of the total system is presented taking into account the fact that the nodal points of wave potential need not be the same as the nodal point of displacement of elastic plates.