We investigate the flow structure and the porosity-permeability relationship of porous media that undergo morphology modifications due to evaporation or microbially induced calcite precipitation, as well as wettability modifications of the solid-fluid interface due to fluid pH, composition, or salt con¬centration changes. We develop simulation methods based on coupled multi-phase and multi-component Lattice-Boltzmann and solute molecular dynamics simulations, capable of reproducing these processes in detail on the pore scale, yielding results to be used to improve existing continuum models.
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1 to 10 of 15 Results
Dec 11, 2023
Lohrmann, Christoph; Holm, Christian, 2023, "Replication Data for: Lohrmann, Holm, Datta: Influence of bacterial motility and hydrodynamics on phage bacteria encounters", https://doi.org/10.18419/darus-3836, DaRUS, V1
Code and Data for "Influence of bacterial motility and hydrodynamics on phage bacteria encounters". For details, see README.md
Oct 11, 2023 - NMR insights into nanoconfined water using the surface exchange model
Gravelle, Simon, 2023, "Molecular simulation scripts for slit nanopores with tunable hydrophilicity", https://doi.org/10.18419/darus-3732, DaRUS, V1
GROMACS molecular simulation input files for slit nanopores filled with liquid water. Initial configuration can be generated using the Python script build_system.py. Use the bash script run_gmx.sh to run GROMACS. See the README.md file.
Oct 1, 2023
Molecular dynamics input scripts for GROMACS, and data analysis scripts in Python.
Aug 15, 2023
Lohrmann, Christoph; Holm, Christian, 2023, "Replication Data for: Lohrmann, Holm: A novel model for biofilm initiation in porous media flow", https://doi.org/10.18419/darus-3680, DaRUS, V1
Code and Data for "A novel model for biofilm initiation in porous media flow". For details, see README.md
Aug 7, 2023
Lohrmann, Christoph; Holm, Christian, 2023, "Replication Data for: Lohrmann, Holm: Optimal motility strategies for self-propelled agents to explore porous media", https://doi.org/10.18419/darus-3608, DaRUS, V1
Code, Data and additional Material for "Optimal motility strategies for self-propelled agents to explore porous media". For details, see README.md
Mar 9, 2023 - NMR investigation of water confined by salt interface
Gravelle, Simon; Holm, Christian; Schlaich, Alexander, 2023, "Molecular simulation scripts for slit nanopores", https://doi.org/10.18419/darus-3180, DaRUS, V1
GROMACS molecular simulation input files for slit nanopores made of NaCl and Na2SO4 solid walls, and filled with respectively NaCl and Na2SO4 solutions. Initial configuration with a given salt concentration can be generated using the Python script ConfigurationGenerator.py, and s...
Mar 8, 2023 - NMR investigation of water confined by salt interface
Gravelle, Simon; Holm, Christian; Schlaich, Alexander, 2023, "Molecular simulation scripts for bulk solutions", https://doi.org/10.18419/darus-3179, DaRUS, V1
GROMACS molecular simulation input files for bulk solutions of NaCl and Na2SO4. Initial configuration with different salt concentration can be generated using the Python script ConfigurationGenerator.py, and successive GROMACS runs can be performed by running the runall.sh Bash s...
Mar 3, 2023
Molecular dynamics input scripts.
Mar 25, 2022 - Thin Film Water on NaCl(100)
Gravelle, Simon, 2022, "Movies of thin film water on rough NaCl surface", https://doi.org/10.18419/darus-2770, DaRUS, V1
Videos showing water molecules at a rough sodium chloride solid surface for different roughness and different water chemical potential. The force field for the water is TIP4P/epsilon (https://doi.org/10.1021/jp410865y), and the force field for the ions is from Loche et al. (https...
Mar 25, 2022 - Thin Film Water on NaCl(100)
Gravelle, Simon, 2022, "Molecular simulation scripts for thin film water on NaCl surface", https://doi.org/10.18419/darus-2726, DaRUS, V1
LAMMPS and GROMACS molecular simulation input files. The system consists of thin film water confined in a 7 nm NaCl slit pore, and can be generated using the Python scripts in SystemGeneration. The simulation is either equilibrium molecular dynamics (EMD), non equilibrium molecul...
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