SedFoam-2.0

A multi-dimensional Eulerian two-phase model for sediment transport

two-phase modelOpenFOAMsediment transportmulti-dimensional

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Contributor(s)

Initial contribute: 2021-09-15

Authorship

:  
University of Grenoble Alpes, LEGI, G-INP, CNRS
:  
julien.chauchat@legi.grenoble-inp.fr
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Classification(s)

Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesNatural-perspectiveOcean regions

Detailed Description

English {{currentDetailLanguage}} English

quoted from:https://csdms.colorado.edu/wiki/Model:SedFoam-2.0

 

A three-dimensional two-phase flow solver, SedFoam-2.0, is presented for sediment transport applications. The solver is extended upon twoPhaseEulerSedFoam (https://csdms.colorado.edu/wiki/Model:TwoPhaseEulerSedFoam). In this approach the sediment phase is modeled as a continuum, and constitutive laws have to be prescribed for the sediment stresses. In the proposed solver, two different inter-granular stress models are implemented: the kinetic theory of granular flows and the dense granular flow rheology μ(I). For the fluid stress, laminar or turbulent flow regimes can be simulated and three different turbulence models are available for sediment transport: a simple mixing length model (one-dimensional configuration only), a k-ϵ and a k-ω model. The numerical implementation is first demonstrated by two validation test cases, sedimentation of suspended particles and laminar bed-load. Two applications are then investigated to illustrate the capabilities of SedFoam-2.0 to deal with complex turbulent sediment transport problems, such as sheet flow and scouring, with different combinations of inter-granular stress and turbulence models.

模型元数据

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Julien Chauchat (2021). SedFoam-2.0, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/46a22800-fd3c-4bae-8cfd-5aff00d607c9
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Contributor(s)

Initial contribute : 2021-09-15

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Authorship

:  
University of Grenoble Alpes, LEGI, G-INP, CNRS
:  
julien.chauchat@legi.grenoble-inp.fr
Is authorship not correct? Feed back

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