Numerical modeling of ship motion in heavy sea conditions

被引：0
|
作者：
Chizhiumov, SD [1 ]
机构：
[1] State Tech Univ, Shipbldg Dept, Komsomolsk Na Amure, Russia
来源：
PROCEEDINGS OF THE SIXTH (2004 ) ISOPE PACIFIC/ASIA OFFSHORE MECHANICS SYMPOSIUM | 2004年
关键词：
pitching; heaving; ship; numerical wave tank; boundary element method; time domain simulation; condensation; wave surface; 3D model;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The accurate determination of vessel motions and wave loads from the storm wave is one of the most difficult problems. Desktop computers are still not powerful enough for three-dimensional numerical simulation in time domain. In this article, the numerical model based on boundary element method (BEM) is used. For faster simulation the simplified interaction of a vessel and wave surface, and also condensation of nodal unknowns on a free surface is used. Against of other works on Numerical Wave Tank (NWT), free surface is not formed from the wave-maker moving, but is determined from solving separate problem. It is assumed that the ship does not change the form of a free surface. As result it is possible to divide a task: separately to determine parameters of wave movement and to calculate a motion of a ship on given waves. The 3D pitching simulation of a tanker is reviewed.
引用
收藏
页码：193 / 198
页数：6
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