Determination of design and operational environmental parameters for offshore structures

P.S. Srivastava

Abstract



This paper describes in brief the state of art for the determination of design and operational environmental parameters for offshore structures. Procedures for the determination of design wave, wind, current and tide for the Indian coastal waters have been discussed. Since instrument recorded data on waves and winds are not available for Indian coastal areas, hence Wilson's technique for the analysis of cyclones, is the best technique for getting the design wave and wind conditions. The design current at the site can be determined by using the techniques of Ekman, Stokes and Airy combined with a few months instrument recorded data. The techniques of presentation of data in the form which will be useful for offshore operations have been discussed. Areas in which further research is needed have been highlighted

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