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Articles | Volume 16, issue 11
Articles | Volume 16, issue 11
https://doi.org/10.5194/se-16-1307-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-16-1307-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 11
Research article
 | 
12 Nov 2025
Research article |  | 12 Nov 2025

Numerical simulation of magma-rock interaction at Krafla volcano using OpenFOAM software and a simplified thermal model

Muriel Gerbault, Oleg Melnik, and Anastassia Borisova

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Short summary
We present a 2D numerical modelling of magma-rock interaction after a sill injection into shallow crust. A solver based on OpenFOAM package simulates heat and momentum transfer between magmas of different compositions, with contrasting properties. Two scenarios are considered to explain the presence of fresh rhyolitic fragments excavated during drilling at Krafla caldera in 2009: partial melting of felsic crust triggered by either a 300 m thick rhyolite intrusion or a 100 m thick basalt sill.
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