Open AccessTrim Optimization of Ship by a Potential-Based Panel Method
Author(s) -
Xujian Lv,
Xuqiang Wu,
Jichao Sun,
Haiwen Tu
Publication year - 2013
Publication title -
advances in mechanical engineering/advances in mechanical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.318
H-Index - 40
eISSN - 1687-8140
pISSN - 1687-8132
DOI - 10.1155/2013/378140
Subject(s) - trim , hull , robustness (evolution) , boundary value problem , computation , free surface , mathematics , mechanics , engineering , marine engineering , mathematical analysis , structural engineering , physics , algorithm , biochemistry , chemistry , gene
A surface panel method for a boundary-value problem with the free surface is proposed to predict ship wave resistance under different trim conditions based on a so-called double-model solution. The free surface boundary condition is linearized with respect to the oncoming flow and computed by a four-point finite difference scheme. Sample computation for Wigley hull is carried out to demonstrate the effectiveness and the robustness of the method. A hull model is taken into account at two different displacements with respect to trim conditions of lower wave resistance. It is demonstrated by calculation and experiment that the wave resistance under the trim conditions provided by the proposed method is lower than that under the initial conditions