Data/hora: 05/06/2024 10:08:59

Provedor de dados: | 5
País: | France
Título: | Study of the manoeuvrability and security of a trawl gear
Autores: | Marichal, Dominique; Vincent, Benoit.
Data: | 2006-09-10
Ano: | 2006
Palavras-chave: | Runge Kutta; Elasticity; Simulation; Model; Trawl doors; Hydrodynamic; Fishing gear; Runge Kutta; Elasticite; Simulation; Modèle; Panneaux de chalut; Hydrodynamique; Engin de pêche.
Resumo: | A complete method is presented for determining the static and dynamic behaviour of a fishing gear. The net, which is very flexible, is modelised by a set of rigid bars. The hydrodynamic forces, applied to each bar, are determined by combining and generalizing the Landweber and Morison hypothesis. A CFD method is used to calculate the forces on trawl doors. The fundamental principle of dynamics is completed with length equations expressing the elasticity of the bars. It leads to a set of second order non-linear differential equations, which is solved using a Runge-Kutta method. We will now present a few examples of the various applications of our works : the study of the trawl gear equilibrium in a uniform flow, an example of manoeuvrability (gyration of the trawl gear) and an application to security with the simulation of an obstruction.
Tipo: | Text
Idioma: | Inglês
Identificador: | http://archimer.ifremer.fr/doc/2006/acte-4612.pdf
Editor: | Wuxi, Chine, 10 - 14 septembre 2006 + Lorient, Octobre 2006
Relação: | http://archimer.ifremer.fr/doc/00000/4612/
Formato: | application/pdf