Articles | Volume 35, issue 4
Regular paper
01 Aug 2017
Regular paper |  | 01 Aug 2017

The impact on global magnetohydrodynamic simulations from varying initialisation methods: results from GUMICS-4

Antti Lakka, Tuija I. Pulkkinen, Andrew P. Dimmock, Adnane Osmane, Ilja Honkonen, Minna Palmroth, and Pekka Janhunen


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Latest update: 15 Apr 2024
Short summary
We studied the impact on global MHD simulations from different simulation initialisation methods. While the global MHD code used is GUMICS-4 we conclude that the results might be generalisable to other codes as well. It is found that different initialisation methods affect the dynamics of the Earth's space environment by creating differences in momentum transport several hours afterwards. These differences may even grow as a response to rapid solar wind condition changes.