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Keywords: dynamic response
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Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-4133
... the dynamic response of fully clamped rectangular plates subjected to triangle pulse load, which is closer to the realistic slamming load. Analytical deformation fields are developed based on the developed rigid-perfectly plastic model. A set of design formula for the plate thickness are developed based...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-4130
..., according to the characteristics of the underwater explosion test of floating shock platform, the structure of black box is designed. Then, the dynamic response of the floating shock platform is calculated using the acoustic-solid coupling method. Based on shock spectrum theory, the acceleration...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-2109
... of material considered as an internal fluid pattern mixed with oil, gas and water moving in the partial riser, which contributes to the unstable fluid loading on the riser, causing the associated riser's dynamic response and influencing the structural stability. In this model, the moving node and variable...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1197
...; Computational Structural power and thrust decrease and the fluctuation amplitude of Dynamic, CSD) method. The unsteady aerodynamic loads and blade aerodynamic power increases when the blade deformation is considered. structural dynamic responses of the wind turbine with yaw The blade deformation shows small...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1224
... Abstract As the main equipment of offshore wind energy development, wind turbine has become one of the research hotspots. When the wind turbine is running, the dynamic response of the blades will directly affect the safety of the blade structure and its power generation efficiency. Due...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1231
... Abstract In the present study a Froude scale model of an offshore wind turbine (OWT) was designed, based on the NREL 5MW-OC3-Hywind floating OWT concept minor modifications, and its dynamic response was experimentally tested under varying wave conditions. Spectral analyses of the measurements...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1157
.... Additionally, structural integrity is also important to avoid damage and economic loss. To investigate the dynamic response of a horizontal kelp farm in waves and current, experiments have been performed on a submodel of kelp farm. A horizontal textile sheet with simplified mooring was tested in a towing tank...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2182
... excitation psd function daf earthquake ground motion temporal-spatial variation subsea pipeline dynamic response ABSTRACT In this study, artificial ground motions with temporal-spatial correlation are first synthesized based on a collected offshore recording from Kyoshin Network (K-NET). Second...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1198
... been obtained. Meanwhile, the motion and dynamic response of the hybrid system has been investigated under typical operational and extreme sea states. INTRODUCTION Due to the exhaustion of fossil fuels and its pollution to the environment, people are trying to develop various clean and renewable...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3191
... ABSTRACT Rapid time-domain dynamic response analysis of a semi-submersible platform is important to the control strategy of thrusters. Nevertheless, the convolution items in Cummins equation make the calculation of dynamic response inefficient. For this reason, the method using statespace model...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1173
... is given first and then the stability behavior and hydrodynamic behavior are studied. The dynamic performance of FOWT-SFFC subjected to wind and wave actions is investigated. The effects of fish nets on the dynamic responses of FOWT-SFFC are also discussed. INTRODUCTION Since year 2000, the offshore...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3231
... twin cylinder horizontal displacement drag force drag coefficient up-and downstream cylinder displacement cylinder downstream cylinder current direction sft pontoon dynamic response current load lift coefficient mean drag coefficient Numerical Study on the Dynamic Response...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3145
... structure model fsi solver snapshot solver dynamic response vibration interaction A 3D Fully Lagrangian Meshfree Hydroelastic Solver; 3D ISPH-SPH Abbas Khayyer, Hitoshi Gotoh, Yuma Shimizu, Hiroshi Sasagawa, Akari Nakano Department of Civil and Earth Resources Engineering, Kyoto University Kyoto...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3229
... wind energy wind turbine drivetrain drivetrain spar subsea system load case axial force turbine drivetrain response bachynski nacelle motion wind turbine model bearing load dynamic response renewable energy pitch motion mean value wind turbine standard deviation ABSTRACT...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1178
... responsibility natural period energy conservation renewable energy water depth subsea system mooring system vawt wind condition coefficient wsa wind speed steel fish-farming cage solar array wind turbine foundation orcaflex dynamic response tower base platform motion standard deviation...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1320
... mooring system sea state practical framework subsea system convolution term assessment wave force fatigue damage upstream oil & gas kurtosis non-gaussian stochastic wave artificial intelligence transfer function wave force transfer function dynamic response psd dynamic...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2167
... the fatigue performance. production control production logging inclination angle riser pipeline transient behavior frequency film length production monitoring upstream oil & gas th mode liquid holdup slwr slug unit length sag bend area barnea dynamic response oscillatory amplitude...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-285
... this zone is more than 100 meters above the sea level. The tall wind tower become the consequent choice. Therefore, the great flexibility is the consequent dynamic characteristic. It can be predicated that the dynamic response is more sensitive and complex than traditional ocean engineering structures...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-141
... has a great effect on the results of the deep-water pile stick-up analysis. Especially for the case the pile top is near the sea surface, and the wave dynamic response is significant, the wave force is obviously increased. According to the characteristics of deep-water piles, combined with engineering...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-100
... and therefore, it is crucial they survive extreme events; primarily, when a mooring line is damaged. This paper addresses the performance evaluation of four mooring line materials in terms of dynamic responses of truss spar platforms for intact and damaged line conditions. Platform is modelled as a rigid body...

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