A METHOD FOR COMPUTING THE RESPONSE OF A SHIP TO A TRANSIENT FORCE,

Abstract

A method for determining the elastic body response of a ship to a seaway is presented. The ship is divided into 20 equi-length sections. The force, generated by the seaway, which acts on the ship is computed for each of the 21 stations. The force is considered to consist of two parts, i.e., an unsteady hydrodynamic force, obtained from the measured rigid body motions, and a hydrostatic force. The force and mass-elastic parameters representing the hull are used as input quantities on the digital computer to obtain the response. The computer response is compared with the experimental response in order to evaluate the adequacy of the theory employed. It is believed that the computed response gives a good representation of the actual ship response obtained during full-scale trials. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1963
Accession Number
AD0428492

Entities

People

  • John N. Andrews

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Computers
  • Digital Computers

Fields of Study

  • Physics

Readers

  • Computational Modeling and Simulation
  • Fluid Dynamics.
  • Marine Hydrodynamics