Directional Wave Measurements During The Hrmstydeman Sea Trial By Robert Jbachman And Edward Wfoley
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Directional Wave Measurements During The Hrmstydeman Sea Trial By Robert Jbachman And Edward Wfoley
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language : en
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Directional Wave Measurement And Analysis By Ronald Jlai And Robert Jbachman
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language : en
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Directional Wave Measurement And Analysis By Ronald Jlai And Robert Jbachman written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Directional Wave Measurement And Analysis
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Author : Ronald J. Lai
language : en
Publisher:
Release Date : 1985
Directional Wave Measurement And Analysis written by Ronald J. Lai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Ocean waves categories.
A directional wave analysis computer program has been developed to analyze the measured directional wave data from an ENDECO Wave-Track buoy. Due to the nature of the buoy, the direction components must be adjusted in order to apply a conventional wave slope analysis. The choice of a Wave-Track buoy stems from the requirement of a light-weight, easy to handle directional sensing wave buoy. The results can be used to validate the directional spread of wave energy produced by the Spectral Ocean Wave Model (SOWM). Also, the resulting directional spread of energy, as produced by the buoy, may now be used with ship motions to produce ship response amplitude operator (RAO's), or combined with ship RAO's to estimate ship motions. The equations are developed to account for buoy motions in a current and in shallow water. Although electronic phase shifts have been adjusted, it is still necessary to develop some analytical solution to compensate for hydrodynamic responses and phase shifts. The analyzed results include frequencies, energy densities, Fourier coefficients, first and second harmonic mean wave directions and root mean square (rms) spreading. Also included is the directional spreading of energy calculated by four different methods. Results have agreed well with other wave measuring buoys as detailed in other sources. Keywords: Sea testing. (Author).