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Keywords: CFD
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Proceedings Papers

Proc. ASME. OMAE2022, Volume 5B: Ocean Engineering; Honoring Symposium for Professor Günther F. Clauss on Hydrodynamics and Ocean Engineering, V05BT06A010, June 5–10, 2022
Paper No: OMAE2022-81133
... as an important contribution to estimate systematic uncertainty of the whole LDV system. The propeller wake field of a modified E1619 was measured in open water test. According to the test condition, an in-house viscous CFD code was used to carried out simulation. The test results agreed well with the CFD results...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 5A: Ocean Engineering, V05AT06A007, June 5–10, 2022
Paper No: OMAE2022-80770
... Abstract Structures installed in very shallow water are experiencing forces from a very disturbed flow field, including rapidly changing gradients and breaking waves. Estimating loads on these structures usually involves running full 3D CFD analyses to predict the flow field and calculate...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 4: Ocean Space Utilization, V004T05A029, June 5–10, 2022
Paper No: OMAE2022-78745
... by towing and forced oscillation tests using a small AUV model, and the computational fluid dynamics (CFD) calculation. The calculated results were compared with sea trial test ones conducted at Suruga Bay in Japan. The validity and effectiveness of the simulation method are enough shown by the comparison...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 5A: Ocean Engineering, V05AT06A025, June 5–10, 2022
Paper No: OMAE2022-81242
... entrainment. The plunger collapsed and ran across the deck before impacting the cylinder and scattering. With respect to the physical modelling, identical experiments were conducted in two different laboratories, in different countries. The numerical modelling comprised computational fluid dynamics (CFD...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A014, June 5–10, 2022
Paper No: OMAE2022-78288
... analysis tool composed of an improved ALM and in-house CFD code based on OpenFOAM is employed to perform numerical simulations for two spar-type FOWTs with a tandem layout under given regular wave and uniform wind conditions. Coupled aero-hydro-elastic responses of the floating wind turbine are compared...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A007, June 5–10, 2022
Paper No: OMAE2022-79045
... if Computational Fluid Dynamics (CFD) is capable of predicting realistic random 3-hour extreme waves. Since the maximum 3-hour load is driven by the highest and steepest waves we will look into the distribution of the maximum 3-hour crest height and the corresponding wave steepness of these events. A comparison...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A039, June 5–10, 2022
Paper No: OMAE2022-78981
... in CFD modelling, the offshore industry has started using CFD as an alternative method to compute the hydrodynamic damping of offshore vessels. In order to help adopt CFD as a widely accepted tool, there is a need to develop confidence in CFD predictions. Therefore, a practical Modelling Practice...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A043, June 5–10, 2022
Paper No: OMAE2022-79446
... Abstract Springing of hull girder to very high harmonics of wave loads is investigated thoroughly using one-way coupling with the help of two-way direct coupling between Computational Fluid Dynamics (CFD) and Finite Element Method (FEM). A segmented barge is chosen as a subject model, in which...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A042, June 5–10, 2022
Paper No: OMAE2022-79239
... numerically. Numerical Wave Tanks (NWT) are being considered as a possible substitute for model tests for well-defined scope of works. Such techniques based on Computational Fluid Dynamics (CFD) using Euler’s equations have been applied to the rectangular barge with skirts as a test case for this new...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A007, June 5–10, 2022
Paper No: OMAE2022-81210
... water turbine CFD Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering OMAE2022 June 5-10, 2022, Hamburg, Germany OMAE2022-81210 POWER PRODUCTION FROM A HYDROKINETIC DEVICE: MASS OF WATER TURBINE Azin Lamei Civil Engineering Department University...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 1: Offshore Technology, V001T01A002, June 5–10, 2022
Paper No: OMAE2022-78395
... in the moonpool are calculated using CFD. Subsequently, the slamming pressure results are used in a structural FEM model to calculate the stress on the structural elements. The fatigue life of the structure inside the moonpool is predicted using suitable S-N curves from classification society rules...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A010, June 5–10, 2022
Paper No: OMAE2022-80796
... Abstract A Computational Fluid Dynamics (CFD) analysis of air entrapment and structural response during flat plate entry to water is presented. Slamming loads remain of concern for the design of safe and efficient ships and offshore structures to ensure structural integrity during extreme...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A022, June 5–10, 2022
Paper No: OMAE2022-86100
... an oscillatory frequency of 1 Hz, the resultant liquid impact reduced within the partitioned setup due to the suppression of wave dynamics. sloshing pendulum-tank oscillation rectangular tank CFD NITA VOF Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A009, June 5–10, 2022
Paper No: OMAE2022-80255
... of the surface elevation and the velocity field. The open-source CFD code OpenFOAM contains two solution algorithms (interFoam and interIsoFoam), which are used for ocean wave simulations and wave load predictions. The algorithms are often applied using a too coarse spatial discretisation, which violates...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A021, June 5–10, 2022
Paper No: OMAE2022-81503
... and converted it to an accurate 3D terrain model that is suitable for carrying out computational fluid dynamics (CFD) analysis. Further, the newly developed approach will be used to evaluate the contribution of the terrain to the collapse of a high voltage transmission tower near Saurdal a town in north-western...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A056, June 5–10, 2022
Paper No: OMAE2022-80679
... system is insufficient, especially the effects of sail geometry and position on lift and drag. In this study, three arc-shaped sails are selected, and the geometric and spacing parameters are chosen as variables. The Computational Fluid Dynamics (CFD) method is applied to perform the simulations. The 2D...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A040, June 5–10, 2022
Paper No: OMAE2022-79001
... the design may not be easy when model test results become available, further on in the project. Therefore, the development of a reliable and fast prediction technique would be valuable to improve the design of moored semi-submersibles. Such a method may be CFD, which has the potential to predict the motions...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A010, June 5–10, 2022
Paper No: OMAE2022-79732
... is established to simulate this structure under a range of wave frequencies. The viscous model takes advantage of the finite volume solver to accomplish computational fluid dynamic (CFD) analysis. Convergence and stability of the model are evaluated for different mesh resolutions and correspondingly...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A052, June 5–10, 2022
Paper No: OMAE2022-79828
..., is applied to model the mixed long-crest wave composed of wind-sea and swell components. Based on an in-house computational fluid dynamics (CFD) solver, a numerical wave tank is developed and the wave generating method by defining the velocity inlet boundary condition is used to simulate the mixed wave...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A045, June 5–10, 2022
Paper No: OMAE2022-79453
..., which were used to present the flow communication between ship and environment. ONRT damaged ship maneuverability turning circle zigzag CFD validation Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering OMAE2022 June 5-10, 2022, Hamburg...