Pons Michaël

Pull Request Checklist. Please read and check each box with an X. Delete any part not applicable. Ask on the [forum](https://community.geodynamics.org/c/aspect) if you need help with any step. The existing...

Wrong density profile from the default pyr-ringwood88.txt

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Hi everyone, with Poulami Roy @poulamiiroy, Bernhard Steinberger and Mauele Faccenda we found a possible problem with the default lookup table pyr-ringwood88.txt used in data/material-model/steinberger, which can be accessed e.g....

[WIP] Fastscape c++ integration with adapter

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### Description This PR is a follow-up to [#5323](https://github.com/geodynamics/aspect/pull/5323). Since development has moved to a new main branch, this new PR continues the work with a **rebased and updated version**...

In global models, plastic strain weakening is often unreliable at low resolution due to poor strain localization, which leads to an underestimation of lithospheric weakening. To initiate plate-like behavior, models...

"Shrinking" spherical shell

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Hi everyone I ran the cookbook spherical shell and enabled the free surface, the sphere starts to shrink as shown in the picture below. The mesh seems quite unstable with...