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Keywords: solver
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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-21-1195
... by using the in-house turbine-platform-mooring coupled dynamic analysis program, FOWT-UALM-SJTU solver, which has coupled the unsteady actuator line model (UALM) and two phases computational fluid dynamic, naoe-FOAM-SJTU. Moreover, cases with heave plate and without heave plate are systematically compared...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1249
... by coupling a hydrodynamic model with a genetic algorithms solver. Optimization is performed for three near-shore sites in the Aegean Sea, Greece. Optimum layouts are obtained considering part of or the whole wall length, available for the PAs' sitting. The effect of the incident wave direction on the optimum...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1265
.... In this paper, a two-dimensional wedge slamming in the vicinity of floating ice is studied as one of the fluid-ice-ship interaction problems. Firstly, a tuning-free fluid and structure interaction solver is developed by using the Moving Particle Semi-implicit (MPS), and its accuracy is verified by benchmark...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3104
... are tethered to the seabed via mooring lines in order to restrain their motions. In this work, to evaluate dynamic response of floating offshore wind turbines (FOWTs) under the action of waves, an overset mesh based multi-phase flow solver is applied to model the wave structure interaction problem due to its...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3115
.... There are notable commercial FSI solvers. However, few of them can achieve both numerical robustness and high scalability while also being able to tackle multiphase multi-physics FSI problems. Commercial software, such as ANSYS (Rao 2003) and COMSOL (Curtis et al. 2013) are able to provide fullycoupled FSI...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3116
... loads in the lines (Robertson et al. 2017). wind energy mooring system moody excitation upstream oil & gas surge motion load case proceedings aft-port engineering simulation application subsea system renewable energy platform turbine oc4 study solver ransley international...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3137
... Abstract We present a Spectral Element Fully Nonlinear Potential Flow (FNPFSEM) model developed for the simulation of wave-body interactions between nonlinear free surface waves and impermeable structures. The solver is accelerated using an iterative p-multigrid algorithm. Two cases...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3198
... Abstract A buckling risk of oil storage tank under tsunami inundation was numerically investigated with Fluid–Structure Interaction (FSI) analysis. The fluid region of two–phase flow in tsunami was solved with a finite volume method solver based on VOF method and the solid region inside...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3193
... Abstract In this study, the method solving the differential governing equations of the 3D tsunami numerical model is proposed: the differential equation solver with artificial neural networks (ANNs). As a preliminary study, the present proposed method is applied to tsunami propagation on three...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3180
... Abstract This article presents an all–Mach method for two–phase inviscid flow in the presence of surface tension. A modified version of the Hartens, Lax, Leer and Contact (HLLC) approximate Riemann solver based on the work by Garrick et al., (2017) is developed and combined with the popular...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3173
... ABSTRACT A Coupled method of CFD (CFD-OHMUGA, Huang, 2013) and overset grid solver (Overset-OHMUGA, Huang, 2016) is suggested to simulate ship hydrodynamics with the conditions of complicated geometry and relative motions. In this method, CFD solver is designed to couple with overset grid...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3217
... results are compared with experimental data. Then ship with different trim angles varying from -0.8° to 1.6° are simulated to investigate the propulsion behavior at different trim condition. All the numerical simulations are carried out by CFD solver naoe-FOAMSJTU. Hydrodynamic forces including thrust...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2123
... ABSTRACT A hydrodynamic performance orientated CRP numerical design/analysis procedure is presented with a coupling approach. The proposed method couples a Lifting- Surface Method (LSM) applied to the CRP, with a steady RANS solver applied to the global flow-field, in order to account...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1179
... the simulation and avoids mesh distortions. fpso floating production system interpolation reservoir simulation overset mesh method fowt mooring system renewable energy platform mesh cylinder boundary condition background mesh time series experimental result equation solver free decay test...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2216
... fluid dynamics flow field diameter coupling method reservoir simulation incipient motion scour repose upstream oil & gas cfd-dem model monopile local scour simulation multiphase flow equilibrium scour depth particle scour depth solver sediment transport scour simulation...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3142
... upstream oil & gas simulation mesh numerical investigation rogue wave openfoam layout solver spectrum ocean eng mooring system wave theory numerical simulation amplitude interaction subsea system wavelength computational domain investigation surface elevation breakwater...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3145
... The paper presents the first 3D fully Lagrangian meshfree projection-based hydroelastic solver for fluid-structure interactions (FSI) encountered in ocean engineering. The fluid model is based on an enhanced version of a projection-based SPH, namely, Incompressible SPH or ISPH; the structure...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-341
... and their interaction. On the CFD side the computational domain was discretized, and a finite volume solver was applied. The SST k-w model (Menter, 1993) was selected for turbulence models. In the case of solid particles, a Lagrangian method was used, in which each particle was considered individually. The unresolved...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-064
... resistance wind speed deflection triantafyllou flexble plate mesh lift coefficient solver computational domain flexible plate openfoam extremum mini value interaction coefficient tensor flexibility stress tensor deformation drag coefficient Fluid-structure interaction for flapping...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-015
... ABSTRACT In this paper, we mainly emphasize numerical simulation of three typical vortex dominant flow problems by using the two in-house Navier-Stokes solvers (such as the finite-volume unstructured and cut-cell VOF finite-volume multiphase LES solvers, respectively) and commercial software...

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