New Green-Function Method to Predict Wave-Induced Ship Motions and Loads

A three-dimensional numerical method based on the new Green function given in Chen (1999) and the higher-order description of ship hull by bi-quadratic patches has been developed in order to predict wave-induced ship motions and loads. The development of this new method and its validations through a comprehensive comparison with semi-analytical solutions and results of experimental measurements, are described in the paper. Recent work on the ship-motion Green function in both analytical and numerical aspects provides an accurate and efficient way to evaluate the influence coefficients involved in integral equations. The use of bi-quadratic patches gives a precise representation of the ship geometry and a continuous representation of the velocity potential over the ship hull. Furthermore, application of the Galerkin procedure yields a square-matrix system and improves the accuracy of solutions. The excellent level of agreement with known semi-analytical solutions and experimental measurements shows that the present numerical method is reliable and practical in a number of applications.

• Record URL:
  http://www.nap.edu/catalog.php?record_id=10189
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9780309254670
• Corporate Authors:

  Office of Naval Research

  Department of the Navy, 800 North Quincy Street
  Arlington, VA  United States  22217

  Bassin d'Essais des Carenes

  Chaussee du Vexin
  Val-de-Reuil,   France  27100

  National Research Council

  Naval Studies Board, 500 5th Street, NW
  Washington, DC  United States  20001
• Authors:
  • Chen, X-B
  • Diebold, L
  • Doutreleau, Y
• Conference:
  • Twenty-Third Symposium on Naval Hydrodynamics
  • Location: Val de Reuil , France
  • Date: 2000-9-17 to 2000-9-22
• Publication Date: 2001

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; References; Tables;
• Pagination: pp 66-81
• Monograph Title: Twenty-Third Symposium on Naval Hydrodynamics

Subject/Index Terms

• TRT Terms: Green's function; Hulls; Hydrodynamics; Loads; Ocean waves; Ship motion; Ships
• Subject Areas: Marine Transportation;

Filing Info

• Accession Number: 01369757
• Record Type: Publication
• ISBN: 9780309254670
• Files: TRIS
• Created Date: May 11 2012 9:05AM