Improved Maneuvering Forces and Autopilot Modelling for the ShipMo3D Ship Motion Library

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Authors
  1. McTaggart, K.
Corporate Authors
Defence R&D Canada - Atlantic, Dartmouth NS (CAN)
Abstract
ShipMo3D is an object-oriented library with associated user applications for predicting ship motions in calm water and in waves. This report describes improvements to the treatment of hull maneuvering forces and rudder forces within ShipMo3D. A proportional-integral-derivative (PID) autopilot is also introduced to ShipMo3D. Predicted turning circles for the tanker Esso Osaka show good agreement with results from sea trials. Maneuvering predictions based on experimental hull maneuvering force coefficients are better than predictions based on hull coefficients from a regression method.

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Report Number
DRDC-ATLANTIC-TM-2008-162 — Technical Memorandum
Date of publication
01 Sep 2008
Number of Pages
50
DSTKIM No
CA032305
CANDIS No
531486
Format(s):
CD ROM

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