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A Finite Element Method for Netting

Part of the SpringerBriefs in Environmental Science Book Series

DOI: 10.1007/978-94-007-6844-4

ISBN: 978-94-007-6843-7

Publisher: Springer Netherlands - Springer Journals

May 29, 2013

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Chapter 1Introduction

Priour, Daniel

Pages: 1 –2

[This chapter describes few reasons of this book: (i) the marine flexible structures such as fish cages and fishing gears could require to be studied with numerical modelling for the knowledge of their mechanics, (ii) the finite element method, well known method in engineering, is the base of the...
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Chapter 2Finite Element Method

Priour, Daniel

Pages: 3 –13

[A brief description of the finite element method principle is proposed for the mechanics of structures. A simple example of the calculation of the perimeter of a circle is intended to highlight the principle. In case of mechanics purpose, the relevance of the concept of nodes position, of forces...
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Chapter 3Equilibrium Calculation

Priour, Daniel

Pages: 15 –26

[The modelling of structure mechanics is a matter for finding equilibrium of the structure. The Newton-Raphson method for equilibrium calculation is described. This method is based on the nodes position, the forces on nodes, and the stiffness matrix. Other methods of equilibrium calculation, the...
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Chapter 4The Triangular Finite Element for Netting

Priour, Daniel

Pages: 27 –70

[The modellings for netting are fully described. The usual modellings based on numerical twines or globalization of twines are partly explained with their limitations. These limitations have drove to the creation of the triangular finite element for netting. This triangular element for netting is...
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Chapter 5The Bar Finite Element for Cable

Priour, Daniel

Pages: 71 –86

[The modelling for cable is described. A bar element for cable is described. The forces as well as the stiffness are given in case of tension in cables, of flexion and of hydrodynamic forces.]
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Chapter 6The Node Element

Priour, Daniel

Pages: 87 –92

[The modelling for nodes in contact with the sea bed is described. The forces as well as the stiffness are given in case of contact as well as of friction.]
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Chapter 7Validation

Priour, Daniel

Pages: 93 –103

[Some cases of validation of the modelling are given. These are compared with flume tank tests, sea trials, and other models. They are about tractrix shape of netting, netting stretched under its own weight, netting of hexagonal meshes deformed by a water current, hydrostatic pressure in a bag of...

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