Wet dam-break simulation using the SPS-LES turbulent contribution on the WCMPS method to evaluate green water events

Sanchez-Mondragon, J.; Hernández-Fontes, Jassiel V.; Vázquez-Hernández, A.O.; Esperança, Paulo T. T.

doi:10.1007/s40571-019-00302-8

Cited by 8 publications

(2 citation statements)

References 44 publications

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“…In the latter, if unsteady and broken flow can be observed on the deck (see the snapshots in Figure 16 and in [4]), then the application of numerical models, rather than analytical models, could be used for detailed research. Although mesh-based Computational Fluid Dynamics (CFD) approaches are popular tools for fluid-structure interaction simulations, including green water (e.g., [38,57,[75][76][77][78][79]), progress in CFD methods based on particles (e.g., [37,51,[80][81][82][83]) could be a useful alternative, due to their ability to simulate large deformations and breaking flows [84]. A comprehensive review of these methods can be found in [85].…”

Section: Some Challenges In Assessing Green Water Propagationmentioning

confidence: 99%

On the Evolution of Different Types of Green Water Events

Hernández-Fontes

Hernández

Mendoza

et al. 2021

Water

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Green water events may present different features in the initial stage of interaction with the deck of a structure. It is therefore important to investigate the evolution of different types of green water, since not all the events interact with the deck at the same time. In this paper, the evolution of three types of green water events (dam-break, plunging-dam-break, and hammer-fist) are studied. The water surface elevations and volumes over the deck in consecutive green water events, generated by incident [wave trains in a wave flume, were analyzed using image-based methods. The results show multiple-valued water surface elevations in the early stage of plunging-dam-break and hammer-fist type events. Detailed experimental measurements of this stage are shown for the first time. The effect of wave steepness on the duration of the events, maximum freeboard exceedance, and volumes were also investigated. Although the hammer-fist type showed high freeboard exceedances, the plunging-dam-break type presented the largest volumes over the deck. Some challenges for further assessments of green water propagation are reported.

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Section: Some Challenges In Assessing Green Water Propagationmentioning

confidence: 99%

On the Evolution of Different Types of Green Water Events

Hernández-Fontes

Hernández

Mendoza

et al. 2021

Water

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“…The presence of a gate that must be lifted rapidly, rather than the ideal dam-break case, where there is no gate, but simply a membrane that instantly "disappears" [31]. 2.…”

Section: Relative Errormentioning

confidence: 99%

CFD Simulations of Multiphase Flows: Interaction of Miscible Liquids with Different Temperatures

Rodríguez-Ocampo

Ring

Hernández-Fontes

et al. 2020

Water

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The incorporation of new equations to extend the applicability of open-source computational fluid dynamics (CFD) software according to the user’s needs must be complemented with code verification and validation with a representative case. This paper presents the development and validation of an OpenFOAM®-based solver suitable for simulating multiphase fluid flow considering three fluid phases with different densities and temperatures, i.e., two miscible liquids and air. A benchmark “dam-break” experiment was performed to validate the solver. Ten thermistors measured temperature variations in different locations of the experimental model and the temperature time series were compared against those of numerical probes in analogous locations. The accuracy of the temperature field assessment considered three different turbulence models: (a) zero-equation, (b) k-omega (Reynolds averaged simulation; RAS), and (c) large eddy simulation (LES). The simulations exhibit a maximum time-average relative and absolute errors of 9.3% and 3.1 K, respectively; thus, the validation tests proved to achieve an adequate performance of the numerical model. The solver developed can be applied in the modeling of thermal discharges into water bodies.

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