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1-20 of 2014
Keywords: frequency
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Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-411
... of the energy density of wave relative to the frequency of the constituent wave, but the wave spectrum can only describe the wave surface at a fixed point, and cannot reflect the internal structure of the wave relative to the direction, nor can it describe the wave surface in a large area. Wave directional...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-436
..., considering the complex alternating loads with long-term crack expansion, the high computation is a problem that cannot be ignored. china government calculation frequency asia government stress intensity factor sailing condition marine transportation freight & logistics services propagation...
Proceedings Papers
Numerical Investigation on Hydrodynamic Performance of 2D Section by Harmonic Polynomial Cell Method
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-358
.... reservoir simulation velocity potential polynomial body surface computational domain boundary condition frequency computational physics single-node hybridize condition hpc method coefficient harmonic polynomial harmonic polynomial cell method faltinsen artificial intelligence bem equation...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-368
... excitation, the transient effect will arouse a larger peak value at the natural frequency, which requires a longer physical dissipation time to eliminate. Under random excitation, it will not only lead to the increase of energy at natural frequency, but also affect the energy distribution at each order...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-369
... levels, and tank natural sloshing frequencies. Results emphasized that short-crested seas increased the impact loads for highly filled tanks. Additionally, swell had a significant influence on sloshing-induced impact loads. INTRODUCTION Over the past decades, the rising consumption of natural gas...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-370
... frequency is close to the first resonant frequency. Depending on the exciting amplitude and frequency, sloshing wave may exhibit one or combination of the following four types of responses: 1) planar harmonic; 2) swirling harmonic; 3) periodically modulated sinusoid; 4) chaotically modulated sinusoid...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-371
... ABSTRACT A linear frequency domain approach using the finite difference method (FDM) was developed to predict sloshing in a partially filled tank or a swimming pool excited by ship motions. The method is validated for harmonic and irregular excitation by comparing results with those obtained...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-372
... pool shape. marine transportation lng cruise ship united states government swimming pool sea condition tank gas monetization drillstem testing engineering motion response frequency ocean engineering viscous flow theory different shape equation prismatic pool swimming pool shape...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-373
... numerical results. The results show that the two are in good agreement. In particular, the evolution of free surface and phase interface is compared, and it is found that there are obvious differences between them. It is found that when the external excitation frequency is near the natural frequency...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-376
... & gas united states government heat transfer frequency simulation gas monetization liquefied natural gas tank equation nusselt number cryogenic hydrogen displacement physics baeten boundary layer engineering integration scheme configuration liquid dependency pressure drop...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-383
.... The numerical results show that the lumped mass has a significant effect on the critical velocity and frequency of the cantilevered pipe. INTRODUCTION The cantilevered pipe aspiration fluid has significant practical engineering applications, such as in deep-sea mining (Fig. 1), oil and gas industries, power...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-386
... the torsion freedom. In the present work, the FIV of a two-tandem cylinder system was numerically studied under the consideration of torsional freedom. The ratio of the torsional natural frequency to the translational natural frequency was fixed as 12.5 in this paper. The ratio of gap between the two...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-387
... engineering cf direction vibration response frequency viv vr condition airfoil pipe pipe structure coefficient international journal Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-388
..., vibration frequency, amplitude, and energy capture efficiency are analyzed. The results show that the simulation considering the influence of nonlinear damping, can significantly reduce the error between the simulation and the experimental results; The triangular-like section vibrator has apparent advantage...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-389
... of experimental tests. oscillation amplitude fiv response bare cylinder flow velocity united states government vibration circular cylinder seyed-aghazadeh velocity range cylinder splitter plate flexible cylinder frequency flexible splitter plate modarre-sadeghi vortex-induced vibration...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-305
... in many fields, such as civil engineering, aerospace engineering, and ocean engineering, in the past few decades (Ma et al., 2022). Many engineering examples show that the vibration frequency of VIV is approximate to the structure's natural frequency in some specific cases. Such vibration will cause...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-314
...) for that of the structure field. It shows that the main vibration frequency of the rudder is consistent with the shedding frequency of the cloudy cavitation. Compared with the rigid rudder, the flexible rudder affects the shedding frequency of the cavitation and the total vapor volume, showing strong unsteady behavior...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-319
... moonpools in the proximity of moonpool resonance is investigated. The influence of moonpool configurations on the ship motions at four forward speeds and two drafts is discussed. To validate the numerical results, moonpool resonance frequencies are compared with Molin's (2001) theoretical and Fukuda's (1977...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-321
... & logistics services time history heave motion reservoir simulation beam wave dead ship condition upstream oil & gas canada government frequency ocean engineering roll motion onr tumblehome irregular beam wave spectrum wave generation forward speed stability amplitude Proceedings...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-323
... ABSTRACT An advanced computing platform for offshore renewable energy systems of generic configuration (OREGEN) is being developed. As input to the platform, a frequency-domain multibody interaction (potential flow) program based on the boundary element method has been developed...
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