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Keywords: quasi-static analysis
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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-182
... ABSTRACT The wave observation buoy system is widely used in wave measurement for exploiting marine oil and gas resources, in which the mooring line is one of the most critical components. At present, the design and analysis for the mooring line mainly relies on quasi-static analysis...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-287
... of interest using a preliminary cost estimation and discussion of buildability issues. Using synthetic rope and variations in the mooring configuration has the potential of influencing the cost significantly. In order to quantify this potential, a simple quasi-static analysis is performed, which shows...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-524
... height (Hs) of 6.5m and peak spectral period (Tp) of 8.5s. Time domain analysis is used for this case. 233 Quasi-static Local Response Analysis A quasi-static analysis may be used to obtain the hotspot stresses directly from the response of the local wellhead model. The analysis is performed in two steps...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-188
... a two-dimension model that can be calculated by using the formulation of geometric and equilibrium equations. As a quasi-static analysis, the configuration and tension distribution of various mooring lines are presented under the combined impact of currents and waves. The hydrodynamic loads of current...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-385
... to the anchors, as shown in Figs. 1 and 2. The mooring analyses were carried out using both a quasi-static analysis and a dynamic analysis in frequency domain. The details of the analysis methodology will be described here. Each analysis was carried out by applying the environmental criteria, described in Tables...
Proceedings Papers

Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-166
..., changing the response of the unit and the lines. dynamic tension upstream oil & gas subsea system aranha history riser coefficient displacement algebraic expression tension history numerical offshore tank artificial intelligence quasi-static analysis configuration vector mooring...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-302
.... The results are compared with those of uncoupled quasi-static analysis and semi-coupled dynamic analysis, in which the tethers and risers are replaced by a set of massless nonlinear springs. A comprehensive sensitivity study of the simulation results against various analysis/environment parameters was carded...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-168
...). Authority requirements Approval by the Norwegian Maritime Directorate (NMD) is required for performing drilling operations on the Norwegian continental shelf. NMD prescribes an analysis method and corresponding safety factors for quasi-static analysis. The extreme line tensions are calculated as the quasi...
Proceedings Papers

Paper presented at the The First International Offshore and Polar Engineering Conference, August 11–16, 1991
Paper Number: ISOPE-I-91-016
... period of a jack-up may typically be in the range 4–8 seconds where also the wave energy is significant. The larger flexibility of a jack-up implies - a natural period in the region with significant wave energy jack-up platform quasi-static analysis artificial intelligence simulation frequency...

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