The effect of short-crested wave phase on a concentric porous cylinder system in the wind blowing open sea

Song, H. and Tao, L. (2007). The effect of short-crested wave phase on a concentric porous cylinder system in the wind blowing open sea. In: Peter Jacobs, Tim McIntyre, Matthew Cleary, David Buttsworth, David Mee, Rose Clements, Richard Morgan and Charles Lemckert, 16th Australasian Fluid Mechanics Conference (AFMC). 16th Australasian Fluid Mechanics Conference (AFMC), Gold Coast, Queensland, Australia, (1275-1282). 3-7 December, 2007.

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Author Song, H.
Tao, L.
Title of paper The effect of short-crested wave phase on a concentric porous cylinder system in the wind blowing open sea
Conference name 16th Australasian Fluid Mechanics Conference (AFMC)
Conference location Gold Coast, Queensland, Australia
Conference dates 3-7 December, 2007
Proceedings title 16th Australasian Fluid Mechanics Conference (AFMC)
Place of Publication Brisbane, Australia
Publisher School of Engineering, The University of Queensland
Publication Year 2007
Year available 2007
Sub-type Fully published paper
ISBN 978-1-864998-94-8
Editor Peter Jacobs
Tim McIntyre
Matthew Cleary
David Buttsworth
David Mee
Rose Clements
Richard Morgan
Charles Lemckert
Start page 1275
End page 1282
Total pages 8
Collection year 2007
Language eng
Abstract/Summary Cylindrical structures are widely employed in the offshore engineering. How to protect the structures in real sea environment is a vital issue for scientists and engineers. In this paper, the interaction of short-crested waves with a concentric surface-piercing two-cylinder system is studied based on linear wave theory using the scaled boundary finite-element method (SBFEM), a novel semi-analytical method with the advantages of combining the finite-element method (FEM) with the boundary-element method (BEM). The interior cylinder is impermeable and the exterior cylinder is thin and porous to protect the interior cylinder. Both of cylinders are bottom mounted. Wave elevation in the annular region is found dependent on the short-crested phase, and the total forces fluctuate as the phase changes. It is further revealed that the maximum total forces are smaller than those induced by plane waves and standing waves with the same total wave number.
Subjects 291205 Ocean Engineering
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Thu, 20 Dec 2007, 01:13:11 EST by Laura McTaggart on behalf of School of Engineering