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Publications
Jafaryeganeh, H., Rodrigues, J.M. and Guedes Soares, C. (2015) , “Influence of mesh refinement on the motions predicted by a panel code”, Maritime Technology and Engineering, Guedes Soares, C. & Santos T.A. (Eds.), Taylor & Francis Group, London, UK, pp. 1029-1038
Definition of the panel distribution constitutes the first step when using linear radiation/diffraction panel codes for seakeeping related studies. Optimization studies on the compromise between the number of panels and the accuracy of results can be a time intensive task, due to the work required to prepare extra input files, which tends to discourage their practice. In this paper, one such study is carried out where optimized panel size and shape parameters are investigated, taking into account the geometry of the hull, the motion mode and the incoming wave characteristics. The convergence of the hydrodynamic coefficients and the amplitude of the motions are the merit measures. A set of panel meshes, which discretize a shuttle tanker’s submerged hull, is generated and several statistical quantities, concerning each mesh, are analyzed. Correlations identified, between these quantities and the accuracy of the results, should contribute to narrow the bounds of initial mesh configuration in similar seakeeping studies.
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