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Three-dimensional Fourier analysis of drag force for compliant offshore structures
AbstractIn this paper a representation is obtained of the first Fourier component of the drag F given by: The relative velocity Q is assumed to consist of a mean current plus a single Fourier component, and may come from all directions during the course of a cycle. The expression is shown to agree well with the usual two-dimensional expressions, (when the relative velocity is always in one direction) and also with the exact expression in the three-dimensional case. A good representation of the drag in this manner is important if the quasi-linear spectral approach is to be used in the evaluation of the response of a three-dimensional compliant structure to ocean waves.
Three-dimensional Fourier analysis of drag force for compliant offshore structures
AbstractIn this paper a representation is obtained of the first Fourier component of the drag F given by: The relative velocity Q is assumed to consist of a mean current plus a single Fourier component, and may come from all directions during the course of a cycle. The expression is shown to agree well with the usual two-dimensional expressions, (when the relative velocity is always in one direction) and also with the exact expression in the three-dimensional case. A good representation of the drag in this manner is important if the quasi-linear spectral approach is to be used in the evaluation of the response of a three-dimensional compliant structure to ocean waves.
Three-dimensional Fourier analysis of drag force for compliant offshore structures
Hamilton, James (author)
Applied Ocean Research ; 2 ; 147-153
1980-01-01
7 pages
Article (Journal)
Electronic Resource
English
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