A non-reflective spectral wave maker for SPH modeling of nonlinear wave motion

Wen, Hongjie; Ren, Bing

doi:10.1016/j.wavemoti.2018.03.003

Cited by 33 publications

(10 citation statements)

References 37 publications

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“…The displayed cases are performed at the Supercomputing Center of the Chinese Academy of Sciences, in which each blade node contains two ten-core Intel Xeon E5-2680 V2 processors with a clock speed of 2.8 GHz and 64.0 GB RAM. According to Wen and Ren [2018], the particle spacing of 2.0 cm can reasonably produce a good agreement with the experimental data. Therefore, considering the calculation accuracy and the computational e±ciency of the SPH model, the initial particle spacing of 2.0 cm is implemented in this paper.…”

Section: Numerical Setupsupporting

confidence: 55%

“…Generally, the momentum wave maker zone is acquiescently placed along the whole water depth in the extant literatures, and it can give a good agreement between the predicted and targeted wave surfaces under shallow and intermediate water conditions (Liu et al [2015]), while it will produce a large error in the predicted wave surface under deep water conditions. Following Wen and Ren [2018], the wave maker zone is installed only in the upper region of 0.5L depth when the relative water depth d=L > 0:5 and the nominal water depth is set as 0.5L to calculate the corresponding parameters in Eqs. (7) and (8) in the present model.…”

Section: Numerical Modelmentioning

confidence: 99%

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Numerical Simulation of Wave Breaking Over a Submerged Step with SPH Method

Wen

Ren

Wang

et al. 2018

International Journal of Ocean and Coastal Engineering

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Wave breaking over a submerged step with a steep front slope and a wide horizontal platform is studied by smoothed particle hydrodynamic (SPH) method. By adding a momentum source term and a velocity attenuation term into the governing equation, a nonreflective wave maker system is introduced in the numerical model. A suitable circuit channel is specifically designed for the present SPH model to avoid the nonphysical rise of the mean water level on the horizontal platform of the submerged step. The predicted free surface elevations and the spatial distributions of wave height and wave setup over the submerged step are validated using the corresponding experimental data. In addition, the vertical distributions of wave-induced current over the submerged step are also investigated at both low and high tides.

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Section: Numerical Setupsupporting

confidence: 55%

Section: Numerical Modelmentioning

confidence: 99%

Numerical Simulation of Wave Breaking Over a Submerged Step with SPH Method

Wen

Ren

Wang

et al. 2018

International Journal of Ocean and Coastal Engineering

Self Cite

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“…The latest work of Wen and Ren [2018] and He et al [2018a] has enabled the SPH method to simulate random wave and wave-current¯elds. Thus, in the future, dynamics of the heaving SHP under real marine environment is planned to be investigated.…”

Section: Discussionmentioning

confidence: 99%

SPH Simulation of Wave Scattering by a Heaving Submerged Horizontal Plate

Gao

et al. 2018

International Journal of Ocean and Coastal Engineering

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Liu et al. [Liu, C., Huang, Z. & Chen, W. [2017] “A numerical study of a submerged horizontal heaving plate as a breakwater,” J. Coast. Res.33(4), 917–930.] numerically studied the wave scattering by a heaving submerged horizontal plate (SHP) within the framework of the potential flow theory. They presented the excellent performance of the heaving SHP on wave blocking, because the radiated wave induced by the heave response of plate is likely to neutralize the transmitted wave. As a further study, the present work simulates the wave–heaving SHP interaction using the smoothed particle hydrodynamics, which is widely recognized as a powerful tool for computing complex viscous fluid dynamics. In this way, additional understanding on the wave blocking mechanism of the heaving SHP is contributed. The effect of submergence of plate on the wave and structural dynamics is also investigated. The results show that, under most submergence conditions, a heaving SHP breakwater is more effective than a fixed one. In terms of the limited cases in this research, 17% is proven to be the optimum ratio of submergence to water depth for the heaving SHP breakwater.

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“…Beach configuration for wave absorption is commonly used in water-basin experiments due to its simplicity. In simulations, some other boundary conditions, such as opened boundary [40] or sponge-like boundary [41], have also been utilised.…”

Section: Wave Generationmentioning

confidence: 99%

Wave Interaction and Overwash with a Flexible Plate by Smoothed Particle Hydrodynamics

Tran‐Duc

Meylan

Thamwattana

et al. 2020

Water

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The motion of a flexible elastic plate under wave action is simulated, and the well–known phenomena of overwash is investigated. The fluid motion is modelled by smoothed particle hydrodynamics, a mesh-free solution method which, while computationally demanding, is flexible and able to simulate complex fluid flows. The freely floating plate is modelled using linear thin plate elasticity plus the nonlinear rigid body motions. This assumption limits the elastic plate motion to be small but is valid for many cases both in geophysics and in the laboratory. The principal conclusion is that the inclusion of flexural motion causes significantly less overwash than that which occurs for a rigid plate.

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A non-reflective spectral wave maker for SPH modeling of nonlinear wave motion

Cited by 33 publications

References 37 publications

Numerical Simulation of Wave Breaking Over a Submerged Step with SPH Method

Numerical Simulation of Wave Breaking Over a Submerged Step with SPH Method

SPH Simulation of Wave Scattering by a Heaving Submerged Horizontal Plate

Wave Interaction and Overwash with a Flexible Plate by Smoothed Particle Hydrodynamics

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