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Keywords: bearman
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Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-661
... frequency vibration response viv displacement single cylinder vortex cylinder arrangement fluid mechanics regime vibration meneghini bearman initial condition wiv experiment downstream cylinder mechanism upstream cylinder Cross-flow Vibration Response for One-Fixed-One-Free...
Proceedings Papers
Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-457
... viscous and pressure loads on the riser surface. The computed vortex patterns and dynamic responses of the risers are in good agreement with the experimental data. bearman tandem arrangement downstream riser side-by-side arrangement upstream oil & gas calculation cylinder vertical riser...
Proceedings Papers
Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-275
... strumming experimental data. Moreover, for a single long flexible circular cylinder, pin-jointed at its ends, as the tension is increased, it starts to behave like a cable, or a tension dominated structure. In this case, IL motions are strongly coupled to the CF motion (Huera-Huarte and Bearman, 2009...
Proceedings Papers
Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-263
... is especially of interest in fields of offshore and civil engineering, such as marine risers, subsurface pipelines, etc. Such flows have been investigated by many researchers, e.g., Sarpkaya(1975,1986), Williamson(1985), Bearman et al.(1985), Obasaju et al.(1988), Tatsuno and Bearman(1990), Justesen (1991...
Proceedings Papers
Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-248
... by the capture of the vortex shedding frequency by the oscillation frequency over a range of cylinder oscillation amplitudes. This phenomenon is called lock-in. Meneghini, Saltara and Bearman (1997) investigated square, saw-tooth and parabolic wave forms of cylinder transverse oscillations, and found that only...
Proceedings Papers
Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-357
... frequency low reynolds number navier-stoke equation upstream oil & gas amplitude finite element method artificial intelligence vibration reynolds number anagnostopoulo equation algorithm formulation bearman cylinder oscillation Proceedings of the Seventh (1997) International Offshore...
Proceedings Papers
Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-320
.... In these tests, smooth and rough cylinders (with a diameter of approximately equal to 0.50m) in both horizontal and vertical dixections were exposed to both regqalar and irregular waves. The results of these tests can be found in Beammn et al (1985), Bearman (1988), Wolfram and Theophanatos (1989), Klopman...
Proceedings Papers
Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-229
... by Rosenhead (1953), Bearman (1967), Mair and Maull (1971), Berger and Wille (1972), Hussaini and Salas (1987), Oertel (1990), and others. The vortex sheddillg from a bluff body is mainly a tw~dimensional phenomena but the shed vortices are not two-dimensional (Bearman, 1984). Hence span- wise effects play...
Proceedings Papers
Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-224
.... Some researchers (Bearman, 1985, Maull and Miller, 1978) have referenced another equation from the irrotational flow theory, the Blasius equation, for the computation of flow forces whenever the vortex structures of the flow surrounding the body is known. It might be helpful to recall that the theorem...
Proceedings Papers
Paper presented at the The Fifth International Offshore and Polar Engineering Conference, June 11–16, 1995
Paper Number: ISOPE-I-95-219
... are related to the square cylinder(Bearman 1980, 1984, Deroich 1992). Consequently the research on wave current forces acting on square cylinders is very useful to real engineering applications. On the other hand, there are sharp edges on a square cylinder, the flow behaviour around which is quite...
Proceedings Papers
Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-101
... IS small compared wrth m Here k = the spnng constant of the system Finally, It may be noted that there eXist excellent reviews on the subject "cross-flow vlbrallons In steady currents", notably by Blevins (1977), King (1977), Sarpkaya (1979a), Gnffln (1981), Bearman (1984) and Chen (1987) 2 1 2 Non...
Proceedings Papers
Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-234
...) coefficient pressure tappmg bearman oscillation different mterbody shape expenment asymptotically approach cylinder cyhnder trapezoidal phase angle prismatic body triangular cylinder cylmder literature tnangular cylinder cross-sectional shape experiment dynamic test trapezoidal cylinder...
Proceedings Papers
Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-102
...- surements m poSt-CrItICal condItIOns (Bearman et at, 1985) shows that the values of the coefficIents Cd and Cm obtamed through least- square fit of (1) are wIdely scattered. ThIs IS m contrary to the results obtamed for a vertIcal cylmder m a long-crested sea or a hOrIzontal cylInder m umformly acceleratmg...
Proceedings Papers
A Numerical Simulation of Vortex Motion Behind a Circular Cylinder Above a Horizontal Plane Boundary
Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-243
... boundary is the fundamental interest in many engineering fields, especially in the design of pipelines and cables on seabed. Scouring due to the vortex shedding could change considersbly the gap between the structures and seabed. Bearman & Zdravkovich(1978) have experimentally investigated the flow...
Proceedings Papers
Paper presented at the The Third International Offshore and Polar Engineering Conference, June 6–11, 1993
Paper Number: ISOPE-I-93-242
... coefficient drag coefficient aspect ratio oscillatory flow regular wave current flow horizontal square cylinder inertia coefficient cylinder upstream oil & gas horizontal cylinder bearman Proceedings of the Third (1993) International Offshore and Polar Engineering Conference Singapore, 6-11...
Proceedings Papers
Paper presented at the The Third International Offshore and Polar Engineering Conference, June 6–11, 1993
Paper Number: ISOPE-I-93-247
... (1983) but are somewhat larger than the Sarpkaya's (1976 and 1986) and Bearman et aI's (1985). KEY WORDS: Wave forces ,Hydrodynamics .horiZontal cylinders. Oscillatory flow INTRODUCTION 111e Morison equation has been used to determine the wave forces on small membered offshore structures for many years...
Proceedings Papers
Paper presented at the The First International Offshore and Polar Engineering Conference, August 11–16, 1991
Paper Number: ISOPE-I-91-192
... at amplitudes, A, corresponding to KC = 10, 14, 18, and 34. The reduced velocity, U/ND, ranged from 0 to 20. (Here U is the steady current velocity, N is the frequency of cylinder oscillation, D is cylinder diameter, and KC = 2π A/D). The paper complements our earlier work (Bearman and Obasaju (1989)) where...
Proceedings Papers
Paper presented at the The First International Offshore and Polar Engineering Conference, August 11–16, 1991
Paper Number: ISOPE-I-91-213
.... For significant amplitudes of motion the vortex shedding may also change from an antisymmetric to a symmetric mode. vibration bearman circular cylinder displacement computation frequency transverse displacement cylinder compliant cylinder time history vortex inline keulegan carpenter number...