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1-20 of 392
Keywords: natural frequency
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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-22-539
... ABSTRACT This paper attempts to solve the mode recognition problem using the CNN (convolutional neural network) algorithm. A program is designed by Pytorch and PCL (Patran command language) to recognize both the natural frequency of ship hull and grillage. After building a training set...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-012
... production control amplitude doussis free end internal flow velocity production monitoring flow velocity condition eq metrikine argand diagram pipe cantilevered pipe critical velocity boundary condition eq natural frequency vibration reservoir surveillance frequency instability...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-032
... to study the mooring and platform dynamic characteristics of ultra-large floating wind turbines in different water depths. sustainability sustainable development different water depth social responsibility wind energy turbine water depth wind turbine platform motion natural frequency...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-047
... turbine wind speed history sustainable development wind turbine barge-type platform natural frequency dynamic analysis ocean engineering surge motion time history Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-365
... tank natural frequency history frequency experiment ocean engineering external excitation upstream oil & gas liquid tank numerical method investigation peak value numerical investigation case 1 bulkhead reservoir simulation excitation case 4 grid cell case 3...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-513
... oil & gas moonpool configuration recess simulation resistance total resistance elevation bare hull time sery moonpool ship motion frequency natural frequency engineering amplitude Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-146
... production system floating production storage & offloading hull load case combination floating production storage and offloading deepwater semi-platform subsea system natural frequency upstream oil & gas fpso stress analysis scenario piping simulation piping design ballast system...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-349
... to the frequency domain from the time domain. Secondly, the effect of the wave frequency component on the ship motion responses is analyzed. The natural frequency of the ship and peak of the wave frequency have strong responses on the motion spectrum in irregular waves. Finally, the effect of the wave direction...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-059
..., is low (Simos A N et al.2018). sustainable development floater sustainability wind energy spectra mooring system frequency natural frequency social responsibility subsea system stiffness response spectra numerical motion spectra wind turbine hydrodynamic character shallow water...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3201
... there is no optical assessment because this simulation approach, Euler and Navier-Stokes solvers provide a time material is opaque. In order to predict the natural frequencies and the accurate simulation only if an appropriate free surface determination and maximum rebound forces, a methodology based on analytical...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3204
... particle judgement, but natural frequency, namely the lowest natural frequency. The influence also will result in the fluctuation of pressure. And to the worst it may directly lead to the failure of the simulation because of the numerical of the sloshing frequency on the liquid tank sloshing...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3208
... reservoir surveillance ship damaged cabin flooding production control reservoir simulation bulkhead production monitoring upstream oil & gas natural frequency free surface elevation enhanced recovery frequency free surface flooding interface equation surface motion tank...
Proceedings Papers
Ede Mehta Wardhana, Hidemi Mutsuda, Yoshikazu Tanaka, Takuji Nakashima, Taiga Kanehira, Taichi Yamada, Shuhei Maeda, Masaaki Yamauchi
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1247
... the compression forces on TENG. All equipment was placed on an aluminum frame structure as a housing construction. To effectively achieve the highest results, the natural frequency needs to be researched. Since both TENG movements and PENG movement are depends on each other motion, it is crucial to set up both...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3125
... under sway-only and coupled sway-heave excitations are studied. For the coupled excitation case, it is found that the sum or difference of the sway and heave frequencies being close to the odd multiple of the system's natural frequency induce secondary violent sloshing waves even both excitations...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3105
... for the adoption of the TLP system have also been given by technical and economic results produced by a separate study carried out by Musial et al. (2003) and Italian Electrical System (Casale, et al., 2010). TLPs are generally designed to keep their natural frequencies in heave, pitch, and roll degrees of freedom...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3132
... upstream oil & gas random wave excitation similarity neural network natural frequency wave load machine learning frequency validation data artificial neural network siyang huang artificial intelligence information jacket platform jacket-type platform wave height wave direction...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1219
... ballast and compressed air in a et al., 2012); however, by using an additional actuator, better control reservoir over time. The optimal TMD settings depend on the wind and solutions can be realized. wave conditions of the FOWT. We present an open-loop control scheme that changes the TMD natural frequency...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1222
... storage & offloading floating production storage and offloading controller natural frequency performance metric wind case turbine national renewable energy laboratory dominant rigid-body mode two-dof model-informed controller gain tuning tlp detuned controller Proceedings of the Thirty...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1234
... social responsibility toroidal disk converter coefficient sustainable development frequency wave excitation force radiation force sustainability ocean energy engineering renewable energy motion response characteristic natural frequency immersion depth wave energy optimal pto...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1126
... the modal frequency of the structure and the modal shape with other environmental phenomena. Then; we discuss these relationships and the synchronous variations in the modal frequency of the structure and the tidal height. In particular; we found that the third natural frequency of the structure...
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