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Subject: Earth and Environmental Sciences Software Name: MATLAB

1 to 10 of 11 Results

Code and data of Bayesian inversion of hierarchical geostatistical models using a parallel-tempering sequential Gibbs MCMC May 19, 2020 - B04: Hybrid discrete-continuum models for fractured porous media: model choice and random field/network generation Reuschen, Sebastian; Xu, Teng; Nowak, Wolfgang, 2020, "Code and data of Bayesian inversion of hierarchical geostatistical models using a parallel-tempering sequential Gibbs MCMC", https://doi.org/10.18419/darus-741, DaRUS, V1 This dataset contains the code and all relevant data and of the paper "Bayesian inversion of hierarchical geostatistical models using a parallel-tempering sequential Gibbs MCMC" by Sebastian Reuschen, Teng Xu and Wolfgang Nowak. Always cite the paper together with this dataset be...
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 for: Solution approaches for evaporation-driven density instabilities in a slab of saturated porous media Jul 19, 2022 - Evaporation-driven density instabilities in saturated porous media Kloker, Leon; Bringedal, Carina, 2022, "Code for: Solution approaches for evaporation-driven density instabilities in a slab of saturated porous media", https://doi.org/10.18419/darus-3057, DaRUS, V1 This dataset concerns codes and solution approaches for a case of evaporation-driven density instabilities from a porous slab that is bounded vertically. Two solution approaches (Chebyshev-Galerkin and Fundamental matrix) for the resulting eigenvalue problem is included, as well...
Eigenvalue problem solver for evaporation-driven density instabilities in saturated porous media Apr 1, 2022 - Eigenvalue problem solver for evaporation-driven density instabilities in saturated porous media Bringedal, Carina; Pieters, G. J. M.; Duijn, C. J. van, 2022, "Eigenvalue problem solver for evaporation-driven density instabilities in saturated porous media", https://doi.org/10.18419/darus-2577, DaRUS, V1 This code solves the resulting eigenvalue problem when considering onset of density-driven instabilities in a semi-infinite saturated porous medium which is subject to an evaporative flux for water and no-flux for the salt concentration from the top boundary. The eigenvalue probl...
Image processing code for characterization of multiphase flow in porous media May 15, 2024 - Publication: Microfluidic experiments Vahid Dastjerdi, Samaneh; Steeb, Holger, 2024, "Image processing code for characterization of multiphase flow in porous media", https://doi.org/10.18419/darus-4153, DaRUS, V1 This work utilizes microfluidic experiments to gather data captured as snapshots during the experiments. These snapshots provide real-time information and undergo image processing to derive the required data. Image processing involves several steps tailored to the investigations:...
micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration", https://doi.org/10.18419/darus-2002, DaRUS, V1 This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.32 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 20% saturation inside the sand packing. The cylindrical sample holder from...
micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.64 mol/L initial concentration Sep 6, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.64 mol/L initial concentration", https://doi.org/10.18419/darus-1848, DaRUS, V1 This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.64 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 20% saturation inside the sand packing. The cylindrical sample holder from...
micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration", https://doi.org/10.18419/darus-2003, DaRUS, V1 This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.96 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 25% saturation inside the sand packing. The cylindrical sample holder from...
Replication Data for: Overcoming the model-data-fit problem in porous media: A quantitative method to compare invasion-percolation models to high-resolution data Jun 18, 2021 - Modeling Strategies for Gas migration in Subsurface Banerjee, Ishani, 2021, "Replication Data for: Overcoming the model-data-fit problem in porous media: A quantitative method to compare invasion-percolation models to high-resolution data", https://doi.org/10.18419/darus-1776, DaRUS, V1 This dataset contains modeling data used to obtain the results and figures in the manuscript: "Overcoming the model-data-fit problem in porous media: A quantitative method to compare invasion-percolation models to high-resolution data." In particular, the model realization data a...
Replication Data for: The Method of Forced Probabilities: a Computation Trick for Bayesian Model Evidence Oct 26, 2022 - Modeling Strategies for Gas migration in Subsurface Banerjee, Ishani; Walter, Peter, 2022, "Replication Data for: The Method of Forced Probabilities: a Computation Trick for Bayesian Model Evidence", https://doi.org/10.18419/darus-2815, DaRUS, V1 This dataset contains the codes used for implementing the method of forced probabilities of the manuscript: The Method of Forced Probabilities: A Computation Trick for Bayesian Model Evidence. Here, one can find the codes of implementation of the trick on stochastic invasion perc...

Code and data of Bayesian inversion of hierarchical geostatistical models using a parallel-tempering sequential Gibbs MCMC

May 19, 2020 - B04: Hybrid discrete-continuum models for fractured porous media: model choice and random field/network generation

Reuschen, Sebastian; Xu, Teng; Nowak, Wolfgang, 2020, "Code and data of Bayesian inversion of hierarchical geostatistical models using a parallel-tempering sequential Gibbs MCMC", https://doi.org/10.18419/darus-741, DaRUS, V1

This dataset contains the code and all relevant data and of the paper "Bayesian inversion of hierarchical geostatistical models using a parallel-tempering sequential Gibbs MCMC" by Sebastian Reuschen, Teng Xu and Wolfgang Nowak. Always cite the paper together with this dataset be...

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 for: Solution approaches for evaporation-driven density instabilities in a slab of saturated porous media

Jul 19, 2022 - Evaporation-driven density instabilities in saturated porous media

Kloker, Leon; Bringedal, Carina, 2022, "Code for: Solution approaches for evaporation-driven density instabilities in a slab of saturated porous media", https://doi.org/10.18419/darus-3057, DaRUS, V1

This dataset concerns codes and solution approaches for a case of evaporation-driven density instabilities from a porous slab that is bounded vertically. Two solution approaches (Chebyshev-Galerkin and Fundamental matrix) for the resulting eigenvalue problem is included, as well...

Eigenvalue problem solver for evaporation-driven density instabilities in saturated porous media

Apr 1, 2022 - Eigenvalue problem solver for evaporation-driven density instabilities in saturated porous media

Bringedal, Carina; Pieters, G. J. M.; Duijn, C. J. van, 2022, "Eigenvalue problem solver for evaporation-driven density instabilities in saturated porous media", https://doi.org/10.18419/darus-2577, DaRUS, V1

This code solves the resulting eigenvalue problem when considering onset of density-driven instabilities in a semi-infinite saturated porous medium which is subject to an evaporative flux for water and no-flux for the salt concentration from the top boundary. The eigenvalue probl...

Image processing code for characterization of multiphase flow in porous media

May 15, 2024 - Publication: Microfluidic experiments

Vahid Dastjerdi, Samaneh; Steeb, Holger, 2024, "Image processing code for characterization of multiphase flow in porous media", https://doi.org/10.18419/darus-4153, DaRUS, V1

This work utilizes microfluidic experiments to gather data captured as snapshots during the experiments. These snapshots provide real-time information and undergo image processing to derive the required data. Image processing involves several steps tailored to the investigations:...

micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration

Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media

Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration", https://doi.org/10.18419/darus-2002, DaRUS, V1

This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.32 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 20% saturation inside the sand packing. The cylindrical sample holder from...

micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.64 mol/L initial concentration

Sep 6, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media

Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.64 mol/L initial concentration", https://doi.org/10.18419/darus-1848, DaRUS, V1

This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.64 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 20% saturation inside the sand packing. The cylindrical sample holder from...

micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration

Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media

Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration", https://doi.org/10.18419/darus-2003, DaRUS, V1

This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.96 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 25% saturation inside the sand packing. The cylindrical sample holder from...

Replication Data for: Overcoming the model-data-fit problem in porous media: A quantitative method to compare invasion-percolation models to high-resolution data

Jun 18, 2021 - Modeling Strategies for Gas migration in Subsurface

Banerjee, Ishani, 2021, "Replication Data for: Overcoming the model-data-fit problem in porous media: A quantitative method to compare invasion-percolation models to high-resolution data", https://doi.org/10.18419/darus-1776, DaRUS, V1

This dataset contains modeling data used to obtain the results and figures in the manuscript: "Overcoming the model-data-fit problem in porous media: A quantitative method to compare invasion-percolation models to high-resolution data." In particular, the model realization data a...

Replication Data for: The Method of Forced Probabilities: a Computation Trick for Bayesian Model Evidence

Oct 26, 2022 - Modeling Strategies for Gas migration in Subsurface

Banerjee, Ishani; Walter, Peter, 2022, "Replication Data for: The Method of Forced Probabilities: a Computation Trick for Bayesian Model Evidence", https://doi.org/10.18419/darus-2815, DaRUS, V1

This dataset contains the codes used for implementing the method of forced probabilities of the manuscript: The Method of Forced Probabilities: A Computation Trick for Bayesian Model Evidence. Here, one can find the codes of implementation of the trick on stochastic invasion perc...

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