SFB 1313 is an interdisciplinary Collaborative Research Centre of the University of Stuttgart, consisting of four major project areas (A-D), divided in 17 individual research projects. It is funded by the German Research Foundation (DFG) and affiliated to the Cluster of Excellence "Data-integrated Simulation Science (SimTech)".

Interfaces have a great impact on multi-field processes (flow, transport and deformation) in porous-media systems. SFB 1313 aims to research these interfaces and to gain a fundamental understanding how they affect multi-field processes. An important step is therefore to quantify how the dynamics of fluid-fluid and fluid-solid interfaces in porous-media systems are affected by pore geometry, heterogeneity and fractures. Furthermore, developing experimental knowledge as well as mathematical and computational models will support SFB 1313‘s research.

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Partitioned Coupling Schemes for Free-Flow and Porous-Media Applications with Sharp Interfaces(Universität Stuttgart)
Mar 16, 2021D02: Parallel numerical coupling methods for interface problems
This dataverse collects data and codes for coupling free flow and porous-media flow with DuMuX and preCICE. More specifically, the results have been presented in the publication: Jaust A., Weishaupt K., Mehl M., Flemisch B. (2020) Partitioned Coupling Schemes for Free-Flow and Porous-Media Applications with Sharp Interfaces. In: Klöfkorn R., Keileg...
D02: Parallel numerical coupling methods for interface problems(Universität Stuttgart)
D02: Parallel numerical coupling methods for interface problems logo
Mar 16, 2021
The aim of the project is to provide technical and numerical methods for the coupling of free flow and porous-media flow at the REV (representative elementary volume) scale. This involves the development of sophisticated methods in three basic coupling components: (i) iterative solvers ensuring a fast convergence towards the correct solution of the...
C02: Upscaling of pore-scale processes involving microstructural evolution(Universität Stuttgart)
C02: Upscaling of pore-scale processes involving microstructural evolution logo
Mar 8, 2021
Processes like multi-phase flow and reactive transport in porous media are encountered in many engineering applications. Such processes occur and interact on different scales and in complex domains. Particularly challenging is the case when evolving interfaces are encountered on the pore scale. These interfaces may separate two immiscible fluids fl...
Upscaled equations for two-phase flow in highly heterogeneous porous media: Varying permeability and porosity(Universität Stuttgart)
Feb 23, 2021A05: Pore scale formulations for evaporation, and upscaling to REV scale
A05: Pore scale formulations for evaporation, and upscaling to REV scale(Universität Stuttgart)
A05: Pore scale formulations for evaporation, and upscaling to REV scale logo
Feb 23, 2021
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 REV scale. Our goal is to provide a better mathematical description of...
B02: Fracturing porous solids with pore content(Universität Stuttgart)
B02: Fracturing porous solids with pore content logo
Feb 3, 2021
We describe fracturing porous solids with arbitrary pore content by two basic ingredients, the macroscopic Theory of Porous Media and the phase-field approach to fracturing. Initially, the solid is treated as a brittle elastic material that is permeable for arbitrary fluids in the sense of a Darcian pore-fluid flow. Under hydraulic fracturing condi...
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, 2021
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 scale as sharp time-dependent interfaces, a discrete fracture-network...
Microscale analysis(Universität Stuttgart)
Jan 13, 2021A02: Advanced modelling concepts for coupling free flow with porous-media flow
Experimental and numerical data related to microfluidic experiments and other microscale investigations.
A02: Advanced modelling concepts for coupling free flow with porous-media flow(Universität Stuttgart)
A02: Advanced modelling concepts for coupling free flow with porous-media flow logo
Jan 13, 2021
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, multi-phase, multi-component flow and transport processes at a porous...
lee18b_supplement(Universität Stuttgart)
Jan 12, 2021C01: A Lattice-Boltzmann investigation of two-phase electrolyte flow in porous structures with morphology alterations and tunable interfacial wetting behaviour
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