The effect of aircushion division on the motions of large floating structures

被引：0
|
作者：
van Kessel, J. L. F. [1 ]
Pinkster, J. A. [1 ]
机构：
[1] Delft Univ Technol, Offshore Engn Dept, Delft, Netherlands
来源：
PROCEEDINGS OF THE 26TH INTERNATIONAL CONFERENCE ON OFFSHORE MECHANICS AND ARCTIC ENGINEERING, VOL 4 | 2007年
关键词：
floating structures; aircushion; compressibility; stability; motion behaviour; wave forces; drift forces; wave field; VLFS;
D O I：
暂无
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
The effect of aircushion division on the motions of large floating structures is studied by means of calculations based on a linear three-dimensional potential method. A linear adiabatic law is used to describe the air pressures inside the cushions. The water surface within the aircushions and the mean wetted surface are modelled by panel distributions representing oscillating sources. The behaviour of different types of aircushion supported structures is described and compared with that of a rectangular barge having the same dimensions. Successively, the aircushion theory, motion characteristics, wave frequency forces and moments, mean second order drift forces and surrounding wave fields are discussed. The results show that aircushions significantly influence the stability and behaviour of large floating structures.
引用
收藏
页码：677 / 686
页数：10
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