Dear DuMuX community,

we are happy to announce that DuMuX version 3.8 is released!

You can check it out via
git clone -b releases/3.8 
https://git.iws.uni-stuttgart.de/dumux-repositories/dumux.git

or download the tarball at:
https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/archive/3.8.0/dumux-3.8.0.tar.gz

DuMuX 3.8 is a minor release and is backwards compatible with version 3.7 with 
the few exceptions listed in the changelog.

Some general improvements and additions of this release are:
    * Pore network: added dual network model and model for heat conduction in a 
solid grain network.
    * Improved memory footprint of tpfa scv/scvf interfaces.
    * A string expression parser for the input file was added.
    * Extended the time loop to be more versatile.
    * Chrono: Added a conversion function for translating between string 
representations and time durations.
    * Added a hyperelastic model and test.
    * The property system now allows checking if type tags are present in the 
inheritance hierarchy of other type tags.
    * Freeflow nonisothermal: An issue with the compositional heat flux's 
upwinding calculations has been fixed.
    * The staggered discretization method has been updated to fix former 
inconsistencies.
    * The template argument for `getParam` and `getParamFromGroup` now defaults 
to `std::string`.
    * Compositional freeflow tests have been ported to the overhauled staggered 
discretization method.
    * Improved memory footprint of gridGeomtries.
    * Now, python bindings are disabled by default if Dumux is built without a 
custom configuration to avoid mixing of static and dynamic libraries.

A more detailed description of all these changes can be found in the changelog:
https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/blob/master/CHANGELOG.md

Thanks to DaRUS, this release can (and should) be cited as:
Buntic, Ivan; Coltman, Edward; Flemisch, Bernd; Ghosh, Tufan; Gläser, Dennis; 
Grüninger, Christoph; Hommel, Johannes; Keim, Leon; Kelm, Mathis; Koch, Timo; 
Kostelecky, Anna Mareike; Lipp, Melanie; Oukili, Hamza; Schneider, Martin; Utz, 
Martin; Wang, Yue; Weishaupt, Kilian; Wendel, Kai; Winter, Roman; Wu, Hanchuan, 
2023, "DuMux 3.8.0", https://doi.org/10.18419/darus-3788, DaRUS, V1

The corresponding BibTex entry looks like:
@data{darus-3788_2023,
author = {Buntic, Ivan and Coltman, Edward and Flemisch, Bernd and Ghosh, Tufan 
and Gläser, Dennis and Grüninger, Christoph and Hommel, Johannes and Keim, Leon 
and Kelm, Mathis and Koch, Timo and Kostelecky, Anna Mareike and Lipp, Melanie 
and Oukili, Hamza and Schneider, Martin and Utz, Martin and Wang, Yue and 
Weishaupt, Kilian and Wendel, Kai and Winter, Roman and Wu, Hanchuan},
publisher = {DaRUS},
title = {{DuMux 3.8.0}},
year = {2023},
version = {V1},
doi = {10.18419/darus-3788},
url = {https://doi.org/10.18419/darus-3788}
}

On the behalf of all the developers, I wish you all the best using DuMuX 3.8!

Best wishes
Ivan Buntic

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