Numerical simulation of hydrodynamic wave loading by a compressible two-phase flow method

Wemmenhove, Rik; Luppes, Roel; Veldman, Arthur; Bunnik, Tim

doi:10.1016/j.compfluid.2015.03.007

Cited by 26 publications

(32 citation statements)

References 40 publications

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“…Deshpande et al (2012), but the spurious velocities found in these simulation are clearly of a different nature as the surface tension is turned off. The main challenge leading to this behavior is that when the water/air density ratio is high, even small erroneous transfers of momentum across the interface from the heavy to the light fluid will cause a large acceleration of the light fluid, as also discussed by Vukcevic (2016) Vukcevic et al (2016); Wemmenhove et al (2015). The resulting large air velocities may then be subsequently diffused back across the interface into the water, the degree to which will be discussed in Section 4.4.…”

Section: Perfomance Of Interfoam Utilizing the Dambreak Settingsmentioning

confidence: 94%

Performance of interFoam on the simulation of progressive waves

Larsen

Fuhrman

Roenby

2019

Coastal Engineering Journal

128

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The performance of interFoam (a widely-used solver within the popular open source CFD package OpenFOAM) in simulating the propagation of a nonlinear (stream function solution) regular wave is investigated in this work, with the aim of systematically documenting its accuracy. It is demonstrated that over time there is a tendency for surface elevations to increase, wiggles to appear in the free surface, and crest velocities to become (severely) over estimated. It is shown that increasing the temporal and spatial resolution can mitigate these undesirable effects, but that a relatively small Courant number is required. It is further demonstrated that the choice of discretization schemes and solver settings (often treated as a "black box" by users) can have a major impact on the results. This impact is documented, and it is shown that obtaining a "diffusive balance" is crucial to accurately propagate a surface wave over long distances without requiring exceedingly high temporal and spatial resolutions. Finally, the new code isoAdvector is compared to interFoam, which is demonstrated to produce comparably accurate results, while maintaining a sharper surface. It is hoped that the systematic documentation of the performance of the interFoam solver will enable its more accurate and optimal use, as well as increase awareness of potential shortcomings, by CFD researchers interested in the general CFD simulation of free surface waves.

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Section: Perfomance Of Interfoam Utilizing the Dambreak Settingsmentioning

confidence: 94%

Performance of interFoam on the simulation of progressive waves

Larsen

Fuhrman

Roenby

2019

Coastal Engineering Journal

128

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“…By reducing the time step to 0.0002s, interFoam solver could have comparative solutions with the present model. The presence of spurious currents near the free surface has been reported by other authors in the cases of both surface tension driven flows and gravity driven flows [3,10,31,32]. Especially, in a solitary wave simulation by Wroniszewski et al [11], it is shown that the spurious currents around the free surface were developed not only with OpenFOAM code but also in the cases of Gerris and Thétis.…”

Section: Time Step Studymentioning

confidence: 64%

High-fidelity simulation of regular waves based on multi-moment finite volume formulation and THINC method

Zhang

Zhao

Xie

et al. 2019

Applied Ocean Research

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The performance of interFoam (a widely used solver within OpenFOAM package) in simulating the propagation of water waves has been reported to be sensitive to the temporal and spatial resolution. To facilitate more accurate simulations, a numerical wave tank is built based on a high-order accurate Navier-Stokes model, which employs the VPM (volume-average/point-value multi-moment) scheme as the fluid solver and the THINC/QQ method (THINC method with quadratic surface representation and Gaussian quadrature) for the free-surface capturing. Simulations of regular waves in an intermediate water depth are conducted and the results are assessed via comparing with the analytical solutions. The performance of the present model and interFoam solver in simulating the wave propagation is systematically compared in this work. The results clearly demonstrate that compared with interFoam solver, the present model significantly improves the dissipation properties of the propagating wave, where the waveforms as well as the velocity distribution can be substantially maintained while the waves propagating over long distances even with large time steps and coarse grids. It is also shown that the present model requires much less computation time to reach a given error level in comparison with interFoam solver.

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“…The locally-refined grid, with its higher resolution near the semi-submersible, seems to catch the pressure peaks somewhat better. More detailed simulations can be found in the PhD thesis of Wemmenhove [5,34] and the forthcoming PhD thesis of Van der Plas [12,13].…”

Section: Wave Impactmentioning

confidence: 99%

“…Even today, when we have highly capable numerical methods and computational power at our disposal, numerical modeling of water wave propagation remains a formidable challenge. During the development of the ComFLOW simulation method [1][2][3][4][5] many of the numerical challenges have been tackled: -Waves should be allowed to freely enter or leave the domain, requiring absorbing or nonreflecting boundary conditions which are able to deal with the dispersive character of waves on deep water [6]. Such conditions will be discussed below in more detail.…”

Section: Introductionmentioning

confidence: 99%

Free-Surface Flow Simulations for Moored and Floating Offshore Platforms

Veldman

Luppes²,

Plas

et al. 2016

Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016)

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Abstract. During the development of the ComFLOW simulation method many challenges have to be tackled concerning the flow modelling and the numerical solution algorithm. Examples hereof are wave propagation, absorbing boundary conditions, fluid-solid body interaction, turbulence modeling and numerical efficiency. Some of these challenges will be discussed in the paper, in particular the design of absorbing boundary conditions and the numerical coupling for fluid-solid body interaction. As a demonstration of the progress made, a number of simulation results for engineering applications from the offshore industry will be presented: a wave-making oscillating buoy, a free-fall life boat dropping into wavy water, and wave impact against a semi-submersible offshore platform. For those applications, MARIN has carried out several validation experiments. 7515Arthur E.P. Veldman, et al.

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Numerical simulation of hydrodynamic wave loading by a compressible two-phase flow method

Cited by 26 publications

References 40 publications

Performance of interFoam on the simulation of progressive waves

Performance of interFoam on the simulation of progressive waves

High-fidelity simulation of regular waves based on multi-moment finite volume formulation and THINC method

Free-Surface Flow Simulations for Moored and Floating Offshore Platforms

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