Search Results - "Kokh, Samuel"
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1
An acoustic-transport splitting method for the barotropic Baer-Nunziato two-phase flow model
Published in ESAIM. Proceedings and surveys (01-01-2023)“…This work focuses on the numerical approximation of the barotropic Baer-Nunziato two-phase flow model. We propose a numerical scheme that relies on an operator…”
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A diffuse interface approach for disperse two-phase flows involving dual-scale kinematics of droplet deformation based on geometrical variables
Published in ESAIM. Proceedings and surveys (01-01-2020)“…The purpose of this contribution is to derive a reduced-order two-phase flow model in- cluding interface subscale modeling through geometrical variables based…”
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3
Experimenting with the p4est library for AMR simulations of two-phase flows
Published in ESAIM. Proceedings and surveys (01-03-2016)“…Many physical problems involve spatial and temporal inhomogeneities that require a very fine discretization in order to be accurately simulated. Using an…”
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An all-regime Lagrange-Projection like scheme for 2D homogeneous models for two-phase flows on unstructured meshes
Published in Journal of computational physics (15-04-2017)“…We propose an all regime Lagrange-Projection like numerical scheme for 2D homogeneous models for two-phase flows. By all regime, we mean that the numerical…”
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5
An All-Regime Lagrange-Projection Like Scheme for the Gas Dynamics Equations on Unstructured Meshes
Published in Communications in computational physics (01-07-2016)“…We propose an all regime Lagrange-Projection like numerical scheme for the gas dynamics equations. By all regime, we mean that the numerical scheme is able to…”
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6
Recasting an operator splitting solver into a standard finite volume flux-based algorithm. The case of a Lagrange-projection-type method for gas dynamics
Published in Journal of computational physics (01-01-2024)“…In this paper, we propose a modification of an acoustic-transport operator splitting Lagrange-projection method for simulating compressible flows with gravity…”
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7
Recasting an operator splitting solver into a standard finite volume flux-based algorithm. The case of a Lagrange-Projection-type method for gas dynamic
Published in Journal of computational physics (2024)“…In this paper, we propose a modification of an acoustic-transport operator splitting Lagrange-projection method for simulating compressible flows with gravity…”
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A unified two-scale gas–liquid multi-fluid model with capillarity and interface regularization through a mass transfer between scales
Published in International journal of multiphase flow (01-07-2024)“…In this contribution, we derive a gas–liquid two-scale multi-fluid model with capillarity effects to enable a novel interface regularization approach for…”
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9
Compressible solver for two-phase flows with sharp interface and capillary effects preserving accuracy in the low Mach regime
Published in Journal of computational physics (01-01-2022)“…•Ghost Fluid method for sharp interface compressible two-phase flows.•Low Mach regime analysis adapted to compressible flows with sharp interfaces and surface…”
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10
A random choice scheme for scalar advection
Published in International journal for numerical methods in fluids (01-10-2023)“…Summary This paper is dedicated to a numerical method based on a random choice as proposed in Glimm's scheme. It is applied to the problem of advection of a…”
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11
A High-performance and Portable All-Mach Regime Flow Solver Code with Well-balanced Gravity. Application to Compressible Convection
Published in The Astrophysical journal (20-04-2019)“…Convection is an important physical process in astrophysics well-studied using numerical simulations under the Boussinesq and/or anelastic approximations…”
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12
A multi-dimensional, robust, and cell-centered finite-volume scheme for the ideal MHD equations
Published in Journal of computational physics (15-12-2024)“…We present a new multi-dimensional, robust, and cell-centered finite-volume scheme for the ideal MHD equations. This scheme relies on relaxation and splitting…”
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13
A Five-Equation Model for the Simulation of Interfaces between Compressible Fluids
Published in Journal of computational physics (20-09-2002)“…A diffuse-interface method is proposed for the simulation of interfaces between compressible fluids with general equations of state, including tabulated laws…”
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Groundwater flow and heat transport for systems undergoing freeze-thaw: Intercomparison of numerical simulators for 2D test cases
Published in Advances in water resources (01-04-2018)“…•Coupled Thermo-Hydrological codes including latent heat for Cryohydrogeological codes require some level of evaluation.•Two 2D benchmark cases were developed…”
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15
Extended Vofire algorithm for fast transient fluid-structure dynamics with liquidagas flows and interfaces
Published in Journal of fluids and structures (01-05-2013)“…The present paper is dedicated to the simulation of liquidagas flows with interfaces in the framework of fast transient fluid-structure dynamics. The two-fluid…”
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16
An anti-diffusive numerical scheme for the simulation of interfaces between compressible fluids by means of a five-equation model
Published in Journal of computational physics (20-04-2010)“…We propose a discretization method of a five-equation model with isobaric closure for the simulation of interfaces between compressible fluids. This numerical…”
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17
Extended Vofire algorithm for fast transient fluid–structure dynamics with liquid–gas flows and interfaces
Published in Journal of fluids and structures (01-05-2013)“…The present paper is dedicated to the simulation of liquid–gas flows with interfaces in the framework of fast transient fluid–structure dynamics. The two-fluid…”
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18
Simulation of sharp interface multi-material flows involving an arbitrary number of components through an extended five-equation model
Published in Journal of computational physics (15-09-2014)“…In this paper, we present an anti-diffusive method dedicated to the simulation of interface flows on Cartesian grids involving an arbitrary number m of…”
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Editorial: Workshop “New Trends in Complex Flows”
Published in ESAIM. Proceedings and surveys (01-01-2024)Get full text
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A unified two-scale gas-liquid multi-fluid model with capillarity and interface regularization through a mass transfer between scales
Published 17-01-2024“…In this contribution, we derive a gas-liquid two-scale multi-fluid model with capillarity effects along with a novel interface regularization approach. We…”
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