Accession Number : ADA338277

Title :   A Note on the Selection of Wave Spectra for Design Evaluation,

Corporate Author : NAVAL SURFACE WARFARE CENTER CARDEROCK DIV BETHESDA MD

Personal Author(s) : McCreight, Kathryn K.

PDF Url : ADA338277

Report Date : JAN 1998

Pagination or Media Count : 22

Abstract : A brief discussion of issues related to selection of representative wave spectra for use in evaluating the performance of a hullform in a seaway is given. A method for selecting a small number of wave spectra is outlined. In evaluating the performance of a floating body, it can be important to determine how well that body can operate in the sea conditions it is likely to encounter. Typically, during the design phase a range of wave spectra are considered using motion prediction programs. When a frequency domain analysis is appropriate, a wide range of spectra can readily be considered. A smaller set is considered for time domain analyses due to time and cost constraints and an even smaller subset is selected for experimental investigations.

Descriptors :   *SPECTRA, *SEA STATES, *WAVES, PREDICTIONS, TIME SERIES ANALYSIS, MOTION, RANGE(EXTREMES), TIME DOMAIN, FREQUENCY DOMAIN, FLOATING BODIES.

Subject Categories : Physical and Dynamic Oceanography

Distribution Statement : APPROVED FOR PUBLIC RELEASE