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The aim of the present study is to simulate the interaction between the solarwind and the Hermean magnetosphere. We use the MHD code PLUTO in sphericalcoordinates with an axisymmetric multipolar expansion of the Hermean magneticfield, to perform a set of simulations with different interplanetary magneticfield orientations and intensities. We fix the hydrodynamic parameters of thesolar wind to study the distortions driven by the interplanetary magnetic fieldin the topology of the Hermean magnetosphere, leading to variations of the massand energy deposition distributions, the integrated mass deposition, the ovalaperture, the area covered by open magnetic field lines and the regions ofefficient particle sputtering on the planet surface. The simulations show acorrelation between the reconnection regions and the local maxima of plasmainflow and energy deposition on the planet surface.

Effect of the interplanetary magnetic field orientation and intensity in the mass and energy deposition on the Hermean surface