Space environment and effects analysis for ESA missions - Geant4

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Space environment and effects analysis for ESA missions - Geant4

Plasma modelingPicUp3D• ESA open source approach• Need of a simulation software to modelcomplex spacecraft/plasma interactions• Most advanced codes are not availablefor the European spacecraft chargingcommunity:• NASCAP-2K is export restricted• Most of the codes are in-house proprietarysoftware• Open source approach allows• Low cost, community based development• High possibilities of extensions andadaptation to particular studiesrequirements• Education applications• PicUp3D simulation code prototype• Developed in the frame of the SPINENetwork by a PhD student• Open source• 3D Particle-In-Cell approach.• Implemented in JAVA.Freja model• Vlasov-Poisson problem approximated by themotion of macro-particles interacting withself-consistent E and imposed B.• Triangular unstructured mesh to describe adetailed spacecraft geometry• Now fully operational, validated and used formission supportG.Santin 9th Topical Seminar on Innovative Particle and Radiation Detectors 23 - 26 May 2004 Siena, Italy 12

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