Accession Number : ADA325717

Title :   Mathematical Model for MANSIM Version 2: A Surface Ship Maneuvering, Stationkeeping, and Seakeeping Simulator Computer Program.

Descriptive Note : Final rept.,

Corporate Author : NAVAL SURFACE WARFARE CENTER CARDEROCK DIV BETHESDA MD HYDROMECHANICS DIRECT ORATE

Personal Author(s) : Kopp, Paul J.

PDF Url : ADA325717

Report Date : OCT 1996

Pagination or Media Count : 33

Abstract : This report documents the mathematical model of a combined maneuvering, stationkeeping, and seakeeping simulation computer program for two different classes of mine hunting vessels. The model features a mix of physical based models for the propulsion systems and control surfaces and hydrodynamic coefficient based hull model. The approach follows the concept of the modular maneuvering model. A quasi-steady assumption is utilized for the seakeeping motion effects. This allows the calm water maneuvering motions to be calculated separately, and the six degrees of freedom linear responses in waves to be superimposed. The effects of wind, current, and second order mean drift forces are included.

Descriptors :   *COMPUTERIZED SIMULATION, *SHIP MODELS, *SEAKEEPING, *TURNING(MANEUVERING), EQUATIONS OF MOTION, HYDRODYNAMIC CHARACTERISTICS, MINE COUNTERMEASURES, SHIP MOTION, MINE HUNTING, MARINE PROPELLERS, MARINE RUDDERS, SHIP HULLS, MINESWEEPERS.

Subject Categories : Marine Engineering
      Computer Programming and Software
      Underwater Ordnance

Distribution Statement : APPROVED FOR PUBLIC RELEASE