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Keywords: vibration mode
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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-23-126
... wind energy girder displacement dynamic response bridge tower china government main girder acceleration dynamic response girder end resistance tower girder transverse bridge dynamic response vibration mode frequency foundation asia government cable-stayed bridge coupling...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-539
... deep learning machine learning mode recognition eigenvalue neural network vibration mode accuracy natural frequency recognition loss function mode analysis artificial intelligence ship hull configuration convolutional 512 fem model vgg model grillage vgg-11 classification...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3220
... and corresponding current velocities are employed to investigate the responses of the riser. The numerical results indicate that the dominant crossflow and inline vibration modes are increased with the current velocity. The amplitudes of crossflow and inline vibration modes show periodic variations...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3223
.... displacement internal flow vortex-induced vibration il direction dominant vibration mode simulation vibration mode natural frequency riser vibration response cf direction vibration frequency cylinder numerical simulation internal flow velocity flexible riser amplitude vibration frequency...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-028
... amplitude vibration vortex-induced vibration riser tandem arrangement experimental result vibration mode dimensionless rms amplitude cylinder modal power spectral density upstream riser numerical simulation amplitude response Numerical Simulations of Vortex-Induced Vibrations of Flexible...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-672
... maximum indentation load case gas monetization proceedings international offshore frequency vibration mode indentation containment system cone load polar engineering conference lng coefficient foam top plywood equation liquified natural gas midstream oil & gas displacement...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-505
... with steel microspheres to provide a suitable dynamic behavior to obtain vibrations up to the fourth vibration mode. The movements were measured by a submerged optical system that captures positions of reflective targets along the model length. This system was tested in five different yaw angles 0, 10, 20...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-104
... piping geometry, flow and operating conditions and also the fluid properties. Finally, mechanical vibrations can lead to fatigue failure. One of the major parameters affecting vibration of subsea piping is the surrounding water. It is known that surrounding water participates in some vibration modes...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-360
... transform time history natural frequency identification random decrement technique wet hammering test continuous wavelet transform data quality frequency vibration mode random decrement signature modal parameter sea state free decay signal ship machine learning artificial intelligence Wet...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-339
... frequency artificial intelligence natural frequency amidship hull girder vibration mode freight & logistics services ship critical wave frequency response energy lloyd Springing Loads and Fatigue Assessment on Large Container Ships *Yongwon Lee, Nigel White, Zhenhong Wang, Jimmy Tong, Ying...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-601
... of the numerical results with measured response of the ship structure. freight & logistics services numerical result superstructure marine transportation exciter test offshore experimental modal analysis vibration mode ship model investigation modal analysis vibration response analysis...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-529
... coppe ufrj vibration viscoelastic material application vibration mode natural frequency Vibration Reduction in Steel Catenary Riser Flávia Borges(a), Ney Roitman(a), Carlos Magluta(a), Daniel A. Castello(b) and Ricardo Franciss (c) (a) Civil Engineering Department, COPPE, Federal University...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-307
... excitation experiment. Nevertheless, KC (Keulegan-Carpenter) number scaling has to be properly addressed; see also Fernandes et al, 1997. It is therefore important to look at the problem of overall dynamics similarity in an integrated manner. Geometrical similarity of the vibration modes and temporal...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-218
...) has been proposed to solve this FSI problem. It has been found that the existence of internal flow does play an important role in determining the vibration mode, vibration intensity and the magnitude of instantaneous vibration amplitude of the curved riser model, when velocity ratio of internal flow...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-107
... are subject to external current, the contribution of internal flow to the riser vibration mode has rarely been studied. In fact, the curvature of the flexible pipe/riser and the relative motion of axial flow to the time-dependent riser motion are the crucial factors to affect coupling mechanism between fluid...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-492
... response characteristic principal component analysis reservoir characterization vibration mode The Influences of Ground Surface on Vibrations of Structures Saori Agata Research Division in Engineering, Tokyo City University Setagaya-ku, Tokyo, Japan Toshiyuki Kataka Department of Urban and Civil...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-397
... vibration mode natural frequency stiffened panel boundary condition decomposition equation beam structure eigenfrequency determinant problem test transversal displacement Vibration Assessment of Ship Structures Adrian Constantinescu ANAST, University of Liege Liege, Belgium Alain Nême EA 4325...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-143
... theory, ASAC methods can be divided into two category: One method is based on the vibration mode of structure. The control of sound radiation from structure by vibration mode utilize the mechanism of modal suppression, the control force was put on the position of maximum responses of vibrate to suppress...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-261
... is developed which allows control of energy flow patterns, thus reducing or retaining vibratory energy flow in a particular vibration mode of the system. This is achieved through analyzing energy flow characteristics and designing an appropriate damping distribution in the system to adjust its characteristic...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-427
... circular plate classic theory natural frequency shear deformation sector plate anisotropic circular plate transcendental equation natural vibration mode circumference vibration mode Dynamic Analysis of Anisotropic Circular Plates Considering the Effect of Shear Deformation - Analysis...

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