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Publications
Sutulo, S. and Guedes Soares, C. (2016), “Parametric study of a modified panel method in application to the ship-to-ship hydrodynamic interaction”, Proceedings of the 4th International Conference on Ship Manoeuvring in Shallow and Confined Water (MASHCON 2016), 23-25 May, Hamburg, Germany
Properties of a new modification of the potential flow algorithm developed by the authors and called “dihedral panel method” are studied in application to the ship-to-ship interaction problem. The method uses quadrilateral dihedral panels with constant source density distributed. The non-penetration condition is satisfied in the integral sense over each panel using Gauss cubature formulae with various numbers of nodes. Numerical investigation was carried out for the case of a parallel overtaking manoeuvre modelled as a kinematic pseudo-simulation with output of the surge and sway forces and of the yaw moment. Responses for Gauss formulae with 1, 4 and 7 nodes per any triangular subpanel were compared with those obtained with the classic Hess and Smith algorithm demonstrating, at equal overall number of panels, better accuracy of the new method especially when an increased number of Gauss nodes is used.
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