A Nonlinear Panel Method in the Time Domain for Seakeeping Flow Problems

J. D'Elía, M. A. Storti, E. Oñate, S. R. Idelsohn


A non-linear panel method in the time-domain for seakeeping problems is outlined.
After a spatial semi-discretization, the velocity potential and the normal displacement on the free surface, are obtained by means of numerical solution of an ODE's system in the time domain. The boundary conditions on the free surface (both kinematic and dynamic) are non-lineal restrictions over the ODE's system. As a first validation of the proposed method, a pair of simple numerical examples are shown.

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ISSN 2591-3522