Dynamic ship response integration for numerical prediction of squat in highly restricted waterways

被引：6
|
作者：
Alderf, N. [1 ]
Lefrancois, E.
Sergent, P. [2 ]
Debaillon, P. [2 ]
机构：
[1] Univ Technol Compiegne, Lab Roberval, CNRS, Ctr Rech Royallieu,UMR 6253, F-60206 Compiegne, France
[2] CETMEF, Compiegne, France
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2011年 / 65卷 / 07期
关键词：
fluid-structure coupling; ship dynamics; squat; finite elements; potential flow; mesh deformation;
D O I：
10.1002/fld.2194
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper we are interested in numerical modeling of 'dynamic' phenomenon of squat by finite elements analysis. It proposes a set of modular numerical tools; therefore, interchangeable. This model enables the study of the interaction between a two-dimensional potential flow in highly restricted waterways on irregular shaped bottom with stationary free surface in taking into account the dynamic response of a ship. The proposed model has been used to validate a stability model based on the extension of the one-dimensional theory of Schijf to the dynamic effects by pointing out stable and unstable squat positions for a ship. It is also shown that for two cases of depth change in shallow water ('step'), unstable position may be reached. Copyright (C) 2009 John Wiley & Sons, Ltd.
引用
收藏
页码：743 / 763
页数：21
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