2020
DOI: 10.1109/access.2020.2984752
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Variable-Length Cable Dynamics of Payout and Reel-in With a Vertically Tethered Underwater Drill Rig

Abstract: A new dynamic model of the variable-length cable used in a vertically tethered underwater drill rig is presented in this paper, which also includes the dynamics of its fixed-length counterpart. First, the differential equation of the variable-length cable is derived through the theorem of linear momentum, and its finite element formulation is obtained by the Galerkin weighted residual method correspondingly. Second, the implicit time integration formulation is derived by using the Newmark-β algorithm. And then… Show more

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Cited by 9 publications
(7 citation statements)
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“…If l 1 varies little then this may be neglected [201]. In some applications cables' lengths vary a lot and this dependence becomes mandatory modeling [116,201,113].…”
Section: Appendix A3 Varying Massesmentioning
confidence: 99%
See 4 more Smart Citations
“…If l 1 varies little then this may be neglected [201]. In some applications cables' lengths vary a lot and this dependence becomes mandatory modeling [116,201,113].…”
Section: Appendix A3 Varying Massesmentioning
confidence: 99%
“…If l 1 varies little then this may be neglected [201]. In some applications cables' lengths vary a lot and this dependence becomes mandatory modeling [116,201,113]. The Lagrange dynamics as in (1) cannot be applied directly in this case: it is necessary to add a corrective term in the dynamics [191,193], see also [192] for a short historical summary.…”
Section: Appendix A3 Varying Massesmentioning
confidence: 99%
See 3 more Smart Citations