This report serves as a user manual for frequency domain predictions of ship motions in waves using ShipMo3D Version 1.0. ShipMo3D is an object oriented library with associated user applications for predicting ship motions in both the time domain and frequency domain. This report covers predictions in the frequency domain for a ship with quasi-steady speed and heading, and a companion report serves as a user manual for predicting ship motions inthe time domain for a freely maneuvering ship in calm water or in waves. Several ShipMo3D applications are used for obtaining ship motion predictions in the frequency domain. SM3D Panel Hull creates a panelled representation of the ship hull using input offsets. SM3DRadDif generates a database of radiation and diffraction coefficients that contribute to the efficiency of subsequent computations. SM3D Build Ship creates a model of the ship, including required data for the hull geometry, radiation and diffraction properties, and appendage geometries. Motion predictions are obtained using SM3D Sea keep Regular, SM3DSeakeepRandom, or SM3DSeakeepSeaway, depending on the wave conditions for which ship motions are to be evaluated. SM3DTime Series From Raos produces ship motion time series from predicted motion response amplitude operators. SM3DPolarPlot produces polar plots of ship response as a function of ship speed and heading.


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    Titel :

    ShipMo3D Version 1.0 User Manual for Frequency Domain Analysis of Ship Seakeeping in a Seaway


    Beteiligte:

    Erscheinungsdatum :

    2007


    Format / Umfang :

    152 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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