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Keywords: computational fluid dynamics
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Proceedings Papers

Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A002, June 21–30, 2021
Paper No: OMAE2021-63445
...Abstract Abstract This paper presents the results of wind load computational fluid dynamics (CFD) calculations performed on the topside structures of a self-propelled wind turbine installation jack-up. The CFD calculations were performed for the jack-up topside structures with and without...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A029, June 21–30, 2021
Paper No: OMAE2021-63052
... performance of the vessel under a range of environmental conditions. Based on the framework of a 4-DoF MMG manoeuvring model, the RTSM comprises manoeuvring, propulsion and environmental loads which are parameterised using numerical results from a combination of computational fluid dynamics (CFD) modelling...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A028, June 21–30, 2021
Paper No: OMAE2021-62921
... Impact duration the use of computational fluid dynamics (CFD) might be an Representative mesh cell size interest tool to provide more accurate analysis. Number of mesh elements This work presents CFD results for different conditions of Timestep water entry of 2D wedges. The simulations were performed...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 8: CFD and FSI, V008T08A026, June 21–30, 2021
Paper No: OMAE2021-60488
...Abstract Abstract This study is based on previous works in a series of numerical studies on submarine hydrodynamics, which involved developing a computational fluid dynamics method to estimate the self-propulsive performance of underwater vehicles. Herein, the Defense Advanced Research Projects...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 8: CFD and FSI, V008T08A007, June 21–30, 2021
Paper No: OMAE2021-62083
...Abstract Abstract Computational fluid dynamics (CFD) has been used to estimate the wave loading applied to a fully submerged body near the surface. The Navier-Stokes equations were used for the present study. In terms of modeling the fluid-solid interface, two different techniques are available...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A013, June 21–30, 2021
Paper No: OMAE2021-63594
... displacements, and veloc- ities. A Computational Fluid Dynamics (CFD) based Numeri- INTRODUCTION cal Wave Tank (CNWT), developed using ANSYS 2-way uid- The increasing demand for energy production since the 2nd structure interaction (FSI) is used for simulations. The results show that the average power...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A025, June 21–30, 2021
Paper No: OMAE2021-62717
... and numerical simulation by provides the pipe piles as the obstacle [10]. It was made a larger blast Keywords: LNG-fueled ship, hydrocarbon explosion, vapor overpressure when the gas cloud packed inside denser pipes. cloud explosion, computational fluid dynamics, overpressure loads These study objectives...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 5: Ocean Space Utilization, V005T05A004, June 21–30, 2021
Paper No: OMAE2021-64384
... Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-64384 DYNAMIC RESPONSE AND FLOW FIELD VARIATION OF A FLOATING COLLAR UNDER EXTREME WAVE CONDITION USING COMPUTATIONAL FLUID DYNAMICS Songchen Yu...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A012, June 21–30, 2021
Paper No: OMAE2021-62990
... specific mass global loads in offshore structures. The strong nonlinearities Water pressure during the impact require a robust method for accessing the Sound speed in air loads and hinder the use of analytical models. The use of Sound speed in water computation fluid dynamics (CFD) is an interesting...
Proceedings Papers

Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A009, February 16–17, 2021
Paper No: IOWTC2021-3537
... been found to underpredict this low-frequency excitation and response. As part of the OC6 project1, the authors performed computational fluid dynamics (CFD) simulations to enable a better understanding of the low-frequency loads and the limitations of lower-fidelity models. The focus of this paper...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 11: Petroleum Technology, V011T11A046, August 3–7, 2020
Paper No: OMAE2020-18939
..., this method may involve significant errors as the oil-water interface height is obtained using level controllers and the volume occupied by each phase is calculated assuming the interface can be extrapolated from the weir back to the separator inlet. In this study, authors perform computational fluid dynamics...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 11: Petroleum Technology, V011T11A040, August 3–7, 2020
Paper No: OMAE2020-18220
...COMPUTATIONAL FLUID DYNAMICS SIMULATION OF THE TRANSIENT BEHAVIOR OF LIQUID LOADING IN GAS WELLS Mohamed Khaled1, Mohammad Azizur Rahman2, Ibrahim Hassan2, Rasel A. Sultan3, Rashid Hasan1 1Texas A&M University, College Station, USA 2Texas A&M University at Qatar 3BID Group ABSTRACT Liquid loading...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 6A: Ocean Engineering, V06AT06A051, August 3–7, 2020
Paper No: OMAE2020-18673
... (VPP), particular care has been put in correctly capturing the manoeuvrability coefficients. Those are derived with polynomial fittings once the forces and moments acting on the ship are extracted from the Computational Fluid Dynamics (CFD) simulations. Many CFD simulations were performed to assess...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 6A: Ocean Engineering, V06AT06A060, August 3–7, 2020
Paper No: OMAE2020-19118
... water entry deflated cavity shell slamming force computational fluid dynamics flow field NUMERICAL INVESTIGATION OF WATER ENTRY OF A SUBSEA MODULE WITH DEFLATED CAVITY SHELLS Yingfei Zan, Ruinan Guo, Lihao Yuan1 College of Shipbuilding Engineering, Harbin Engineering University Harbin...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A042, August 3–7, 2020
Paper No: OMAE2020-18755
... for further studies on non-linear effects for this particular ship type. This paper has been prepared in the framework of the ISSC-ITTC special joint committee on uncertainty quantification in wave load estimation. Keywords: Ship Motions, Computational Fluid Dynamics, Uncertainty, Hydrodynamics, Global Ship...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A066, August 3–7, 2020
Paper No: OMAE2020-18258
...FIRE PHENOMENON OF NATURAL GAS LEAK ACCIDENTS ON THE LNG-FUELED SHIP USING COMPUTATIONAL FLUID DYNAMIC Haris Nubli Interdisciplinary Program of Marine Convergence Design, Pukyong National University (PKNU), Busan, Republic of Korea Aditya Rio Prabowo Department of Mechanical Engineering...
Proceedings Papers

Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A003, November 3–6, 2019
Paper No: IOWTC2019-7526
... turbine aerodynamics, Offshore floating wind turbine, Actuator disc model, Computational fluid dynamics NOMENCLATURE A surge amplitude [m] A area [m2] a1 local axial induction factor a1 mean axial induction factor a2 local tangential induction factor a2 mean tangential induction factor c chord length...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 10: Ocean Renewable Energy, V010T09A044, June 9–14, 2019
Paper No: OMAE2019-96500
... before and after the orifice, and the airflow speed through the orifice were measured. Computational fluid dynamics (CFD) analysis was performed using the Star-CCM+ commercial software to analyze the performance of the OWC for the same model that was used in the experiment. Detailed flow fields were...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 6: Ocean Space Utilization, V006T05A018, June 9–14, 2019
Paper No: OMAE2019-95408
... to calculate the collision force in a situation where a stagnation point occurs like a flow field at the front of the wall type structure, and the drifting object is decelerating. computational fluid dynamics particle method MPS method boundary condition mirror particle boundary INTRODUCTION...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 2: CFD and FSI, V002T08A035, June 9–14, 2019
Paper No: OMAE2019-95306
... of predicting this hydrodynamic damping accurately as it originates from the viscous nature of the fluid and the complex vortical flow structures around a rolling vessel. In recent years Computational Fluid Dynamics (CFD) has advanced such that accurate predictions for the roll damping can be obtained...