Dynamic response of marine risers by single wave and spectral analysis methods |
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| Authors: | CL Kirk |
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| Institution: | Offshore Structures Group, Marine Technology Centre, Cranfield Institute of Technology, UK |
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| Abstract: | This paper uses the Galerkin method in the solution of the marine riser differential equation and compares the dynamic bending stresses in a tension-leg-platform riser calculated by the linearised single wave and linearised spectral analysis methods.The results show that it is possible to make some rational assessment of approximate peak values of bending stress in the spectral method.The analysis methods are applicable to any riser system subject to horizontal exciting forces due to fluid and vessel motion. |
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| Keywords: | marine risers spectral analysis single wave analysis peak and rms bending stresses |
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