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Implement DFT at fixed moles - #371

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Jul 24, 2026
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Implement DFT at fixed moles#371
prehner merged 1 commit into
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@prehner

@prehner prehner commented Jul 23, 2026

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This was always possible in FeOs, however, this PR changes the solution algorithm for non-chemical potential constraints somewhat (convergence should be identical for all cases with fixed chemical potential) and adds an appropriate interface to use the feature from Python.

Example: Meta- and unstable adsorption in a slit pore by specifying the total amount of adsorbed molecules.
grafik

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prehner marked this pull request as draft July 23, 2026 19:38
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prehner force-pushed the dft_fixed_n branch 5 times, most recently from 35bbd17 to 07d9fe0 Compare July 24, 2026 09:18
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prehner changed the base branch from main to dft_development July 24, 2026 09:20
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prehner marked this pull request as ready for review July 24, 2026 09:30
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prehner merged commit b7e3fb5 into dft_development Jul 24, 2026
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prehner deleted the dft_fixed_n branch July 24, 2026 09:30
@yyfdemajia

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Hi Dr. Rehner, Thanks for implementing this new feature. I'm highly interested in using it for my research on wetting phenomena. Do you have an estimate of when this functionality will be included in a stable release and become available via pip install?
Thanks!
Yafan

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prehner commented Jul 27, 2026

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Dear Yafan,
We will need some time testing the new capabilities and have some other updates in the pipeline. So maybe there is a timeline to release the new stable version in September, but I cannot say for certain.

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2 participants