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Subject: Earth and Environmental Sciences Publication Year: 2021

1 to 10 of 62 Results

A02: Advanced modelling concepts for coupling free flow with porous-media flow(Universität Stuttgart) Jan 13, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media" Exchange processes across a porous-medium free-flow interface occur in a wide range of environmental, technical and bio-mechanical systems. The primary objectives of this project are to (i) analyse and improve the theory, as well as (ii) offer solution methods for non-isothermal,...
A05: Pore scale formulations for evaporation, and upscaling to REV scale(Universität Stuttgart) Feb 23, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media" Drying and evaporation in porous media is relevant for many engineering processes and for soil cultivation. These processes occur over several scales, where the evolving liquid-gas interface is important to describe the evaporation at the pore scale, while its effect lies on the...
B03: Heterogeneous multi-scale methods for two-phase flow in dynamically fracturing porous media(Universität Stuttgart) $B03: Heterogeneous multi-scale methods for two-phase flow in dynamically fracturing porous media logo$ Jan 26, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media" The propagation and bifurcation of fractures in fluid-filled porous media depends on the likewise inter-related flow in the pore space and on the mechanical displacement field in the solid matrix. Assuming that fractures cannot be homogenised but persist on a continuum-mechanical...
C05: Process-dependent porosity-permeability relations for fluid-solid reactions in porous media(Universität Stuttgart) Mar 19, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media" Fluid-solid reactions pose a challenge for modelling flow and transport in porous media due to the dynamic changes in the pore space and the associated alteration of the permeability. This project aims to use Magnetic Resonance Imaging and X-ray computer microtomography measureme...
CAMPOS Project P8: Conceptual Model Uncertainty(Universität Stuttgart) Jun 21, 2021Stochastic Simulation and Safety Research for Hydrosystems (LS3)
Case 3 - Small Features Sep 9, 2021 - Verification benchmarks for single-phase flow in three-dimensional fractured porous media Gläser, Dennis, 2021, "Case 3 - Small Features", https://doi.org/10.18419/darus-2081, DaRUS, V1 This dataset contains results related to the benchmark case 3 as described in detail in the call for participation. The sub-folder "reference" contains solutions for pressure in both the fractures and the bulk porous matrix on five different refinement levels. The naming scheme i...
Code for effective heat conductivity in thin porous media(Universität Stuttgart) Jun 14, 2021A05: Pore scale formulations for evaporation, and upscaling to REV scale
Code for effective heat conductivity in thin porous media Nov 2, 2021 - Code for effective heat conductivity in thin porous media Scholz, Lena; Bringedal, Carina, 2021, "Code for effective heat conductivity in thin porous media", https://doi.org/10.18419/darus-2026, DaRUS, V2 This code can be used to determine the effective heat conductivity of a thin periodic porous medium by solving a two- or three-dimensional local cell problem on pore scale using the software Netgen/NGSolve. The pore geometry of the representative cell and the boundary conditions...
Code for relative permeabilities for two-phase flow between parallel plates with slip conditions Nov 24, 2021 - PN 1-6 Schulz, Sebastian; Bringedal, Carina; Ackermann, Sina, 2021, "Code for relative permeabilities for two-phase flow between parallel plates with slip conditions", https://doi.org/10.18419/darus-2241, DaRUS, V1 This MATLAB code calculates relative permeabilities of two fluids flowing between two parallel plates, depending on their viscosities, saturation and boundary conditions at the top and bottom plates. The underlying assumptions behind the derivation are shown in the pdf "overview_...
Code of the tBME method Nov 24, 2021 - tBME project Hsueh, Han-Fang, 2021, "Code of the tBME method", https://doi.org/10.18419/darus-1836, DaRUS, V1 Code and data for the publication "Diagnosis of model errors with a sliding time-window Bayesian analysis" in Journal Water Resource Research (preprint https://arxiv.org/abs/2107.09399) . The folder "tau_plot" includes the files and data to generate the tBME analysis plots for Ca...

A02: Advanced modelling concepts for coupling free flow with porous-media flow(Universität Stuttgart)

Jan 13, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media"

Exchange processes across a porous-medium free-flow interface occur in a wide range of environmental, technical and bio-mechanical systems. The primary objectives of this project are to (i) analyse and improve the theory, as well as (ii) offer solution methods for non-isothermal,...

A05: Pore scale formulations for evaporation, and upscaling to REV scale(Universität Stuttgart)

Feb 23, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media"

Drying and evaporation in porous media is relevant for many engineering processes and for soil cultivation. These processes occur over several scales, where the evolving liquid-gas interface is important to describe the evaporation at the pore scale, while its effect lies on the...

B03: Heterogeneous multi-scale methods for two-phase flow in dynamically fracturing porous media(Universität Stuttgart)

$B03: Heterogeneous multi-scale methods for two-phase flow in dynamically fracturing porous media logo$

Jan 26, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media"

The propagation and bifurcation of fractures in fluid-filled porous media depends on the likewise inter-related flow in the pore space and on the mechanical displacement field in the solid matrix. Assuming that fractures cannot be homogenised but persist on a continuum-mechanical...

C05: Process-dependent porosity-permeability relations for fluid-solid reactions in porous media(Universität Stuttgart)

Mar 19, 2021SFB 1313 "Interface-Driven Multi-Field Processes in Porous Media"

Fluid-solid reactions pose a challenge for modelling flow and transport in porous media due to the dynamic changes in the pore space and the associated alteration of the permeability. This project aims to use Magnetic Resonance Imaging and X-ray computer microtomography measureme...

CAMPOS Project P8: Conceptual Model Uncertainty(Universität Stuttgart)

Jun 21, 2021Stochastic Simulation and Safety Research for Hydrosystems (LS3)

Case 3 - Small Features

Sep 9, 2021 - Verification benchmarks for single-phase flow in three-dimensional fractured porous media

Gläser, Dennis, 2021, "Case 3 - Small Features", https://doi.org/10.18419/darus-2081, DaRUS, V1

This dataset contains results related to the benchmark case 3 as described in detail in the call for participation. The sub-folder "reference" contains solutions for pressure in both the fractures and the bulk porous matrix on five different refinement levels. The naming scheme i...

Code for effective heat conductivity in thin porous media(Universität Stuttgart)

Jun 14, 2021A05: Pore scale formulations for evaporation, and upscaling to REV scale

Code for effective heat conductivity in thin porous media

Nov 2, 2021 - Code for effective heat conductivity in thin porous media

Scholz, Lena; Bringedal, Carina, 2021, "Code for effective heat conductivity in thin porous media", https://doi.org/10.18419/darus-2026, DaRUS, V2

This code can be used to determine the effective heat conductivity of a thin periodic porous medium by solving a two- or three-dimensional local cell problem on pore scale using the software Netgen/NGSolve. The pore geometry of the representative cell and the boundary conditions...

Code for relative permeabilities for two-phase flow between parallel plates with slip conditions

Nov 24, 2021 - PN 1-6

Schulz, Sebastian; Bringedal, Carina; Ackermann, Sina, 2021, "Code for relative permeabilities for two-phase flow between parallel plates with slip conditions", https://doi.org/10.18419/darus-2241, DaRUS, V1

This MATLAB code calculates relative permeabilities of two fluids flowing between two parallel plates, depending on their viscosities, saturation and boundary conditions at the top and bottom plates. The underlying assumptions behind the derivation are shown in the pdf "overview_...

Code of the tBME method

Nov 24, 2021 - tBME project

Hsueh, Han-Fang, 2021, "Code of the tBME method", https://doi.org/10.18419/darus-1836, DaRUS, V1

Code and data for the publication "Diagnosis of model errors with a sliding time-window Bayesian analysis" in Journal Water Resource Research (preprint https://arxiv.org/abs/2107.09399) . The folder "tau_plot" includes the files and data to generate the tBME analysis plots for Ca...

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