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Three-dimensional non-linear dynamics of compliant risers
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Description:Compliant risers are assemblages of pipes with very small overall bending rigidity used to convey oil from the ocean floor or a subsurface buoy to a surface platform. A compliant riser is allowed to accrue large static deformations because of its small bending rigidity. The riser readjusts its configuration--without excessive stressing--in response to the large, slow motions of the supporting platforms it is connected to. This work presents a mathematical model for the three-dimensional non-linear static and frequency domain dynamic analysis of nonrotationally uniform compliant risers with torsion in the presence of three types of forces: unidirectional monochromatic waves traveling at an arbitrary angle; arbitrary monochromatic motions and rotations of the upper and lower ends of the riser, of the same frequency as the waves; and arbitrary currents.
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Sea Grant Document Number:MIT-T-87-005
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Rights Information:Public Domain
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Compliance:Library
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Main Document Checksum:urn:sha256:c907bef6131f9816ac3a9e830011bc77d7a2b6d1b5d74d4a210d914f487415b7
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