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Keywords: free surface
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Proceedings Papers
O. Thilleul, A. Drouet, Y. Andrillon, P-M. Guilcher, E. Jacquin, D. Barcarolo, L. Berry, A. Ledoux, P-E. Guillerm, D. Le Touzé, Q. Derbanne, N. Legregeois
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25939-MS
..., and prediction of green water impact on a FPSO. nante ecole centrale upstream oil & gas aerodynamic coefficient tunnel solver computation wind tunnel test fpso subsea system wind tunnel free surface virtual wind tunnel experiment offshore technology conference blockage effect mesh...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25821-MS
... the capabilities of the CFD solver for recovering the expected physics. The complementary full scale analysis underlines both (i) possible scale effects with regard to basin scale and (ii) free surface impact on the considered package hydrodynamics. Such observations underline the care with which such preliminary...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-18254-MS
... deepwater calm buoy heave free surface amplitude oscillation test investigation coefficient Copyright 2006, Offshore Technology Conference This paper was prepared for presentation at the 2006 Offshore Technology Conference held in Houston, Texas, U.S.A., 1 4 May 2006. This paper was selected...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2005
Paper Number: OTC-17180-MS
... upstream oil & gas offshore technology conference derivative interaction effect subsea system radiation coefficient coefficient integral equation shuttle mth body chen formulation forward speed interaction problem free surface fpso floating production system green function...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16716-MS
.... linear diffraction theory otc 16716 lng prediction free surface spectrum crest height amplification upstream oil & gas freight & logistics services gravity fluid velocity boundary shallow water lng carrier gas monetization simulation liquified natural gas model test diffraction...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15288-MS
... and the resolution of the free surface the near-field of the vessel or structure. The second area concerns the practical application of the developed flow solvers. In many offshore engineering applications, fluid-structure interaction is important, even at the level of rigid body motions of a single vessel...
Proceedings Papers
Wave Theoretic Approaches to Multiple Attenuation: Concepts, Status, Open Issues, and Plans: Part II
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-12011-MS
... free surface panel show upstream oil & gas internal multiple inverse subsery reflection open issue reservoir characterization weglein feedback method multiple attenuation algorithm internal multiple attenuation wave theoretic approach attenuation seismic data offshore...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6478-MS
... and the main cause of rig instability are the secondary flows in the water, which are generated as the gas rises to the free surface. In this paper numerical simulations of the two phase flows following a release of gas at the bottom of the sea, for one flow rate and two water depths. are presented. The main...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5097-MS
...aTe 5097 An Empirical Model for Random Directional Wave Kinematics Near the Free Surface by G. Rodenbusch, Shell Offshore Inc., and G.Z. Forristall, Shell Development Co. Copyright 1986 Offshore Technology Conference This paper was presented at the 18th Annual OTC in Houston, Texas, May 5-8, 1986...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5352-MS
... of the crack (6 '" 11/2) and for the crack tip at the free surface (6 '" 0) they can be expressed as: (J + M- m --b(o) = the elliptical integral of _the second kind which can be approximated by: '" crack depth. where: a The fatigue loading on the continuous plate causes the semi-elliptical crack to propagate...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4657-MS
... to the free surface are in- vestigated. The maximum surge response is predicted well by the time-domain model .provided the extrapola- tion of Airy wave theory is used. INTRODUCTION The tension leg platform (TL?) is a cDmpliant st£~c ture. In order to design the TLP tendon and riser subsystems, the maximum...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 1982
Paper Number: OTC-4190-MS
... vertical circular cylinder body surface circular cylinder linear theory prediction numerical procedure offshore structure subsea system compliant structure isaacson facet center free surface velocity component procedure upstream oil & gas body motion boundary condition cylinder free...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-3955-MS
... measured upwards from the still water level. Also let t denote time and ? the free surface elevation above the still water level. The seabed is assumed horizontal along the plane z = -d. The fluid is assumed incompressible and inviscid, and the flow irrotational. (In the usual way, flow separation effects...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1980
Paper Number: OTC-3838-MS
...-dimensional case centerline propeller free surface calculation cross section propeller race nozzle tug velocity field efficiency experiment thrust cylinder deviation denote experimental prediction OTC 3838 THEORETICAL AND EXPERIMENTAL PREDICTION OF PROPELLER INDUCED FORCE ON LARGE, TOWED...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1978
Paper Number: OTC-3247-MS
... period semisubmersible platform tow speed hull segment encounter period dynamic tow motion upstream oil & gas coordinate system relative platform coefficient jacket platform prediction heave equation stability speed effect hydrodynamic force free surface OTC 3247 DYNAMIC TOW...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 1977
Paper Number: OTC-2741-MS
.... This paper will have particular application to the members of a jacket that are in the free surface zone. Ore to the wave notion those members will be in and out of the water. Cases of damages on this type of members have been reported from the North Sea. Similar problems can arise for the horizontal trusses...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1975
Paper Number: OTC-2189-MS
..., that exists even when there is no free surface, as well as that of the scattering or diffraction of the incident wave. In fact, when the body spans a small fraction of wave length (less than a fifth say), the scattering term is negligible so that F = kpVU d It may thus be found that a diffraction...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–7, 1974
Paper Number: OTC-2037-MS
... being carried out at elevation, S, above the bottom, where ~ (2) 2 21Tt. .2 1 C (3)L. ~ K. ~ h a = h+n(t) where h is the still water depth and net) is the instantaneous water surface elevation measured from the still water level. This vertical stretching is particularly significant near the free surface...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–7, 1974
Paper Number: OTC-2067-MS
... oscillating on the free surface~hav7 been considered by Kim6 . In a later paper Kim calculated the heave, surge, and pitch response for the same s~her oidal bodies to wave excitation. Barakat8 also treated the vertical motion of a sphere as induced by surface waves, but his work unfor- tunately contained...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–7, 1974
Paper Number: OTC-2137-MS
... Company. The platforms consist principally of a large, nearly hexagonal base composed of 19 cylinders, three of which are tapered above the base and extend from the top of the base through the free surface as indicated in Fig. 1. One of the platforms is constructed from 18 meter diameter cylinders ana...
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