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Visualizing high-dimensionalplasma simulation data withVTK
Linköpings universitet, Institutionen för teknik och naturvetenskap.
2010 (Engelska)Självständigt arbete på avancerad nivå (masterexamen), 30 poäng / 45 hpStudentuppsats (Examensarbete)
Abstract [en]

Gamma ray bursts are flashes of gamma rays, associated with high energy explosions at cosmological distances. The main sources of gamma ray bursts are imploding stars. These bursts are mostly observed as thin beams ejecting out of these imploding stars. These beams ejecting out of the stars results in forming extremely hot electrons, ions and strong electromagnetic fields. This report presents the thesis work on visualizing the raw electron, proton and electromagnetic data. Pre-computed data of same electrons and protons are also visualized. The whole simulation data visualized is very large. The raw electron, proton and electromagnetic data are taken as 56 time steps each. The pre-computed electron and proton data taken for visualization are 269 and 282 time steps respectively. The raw data is of 4D that is the data consists of position and 3 momenta. This data have been visualized by dividing the data into 3D subsets. Using the raw data densities are calculated. These densities are visualized by volume rendering technique. The Pre-computed data consists of densities, which are directly using volume rendering technique. VtK is used for volume rendering the data. The work is done on scaling the data for volume rendering. Different components are developed in Vtk for better visualization and analyzation of the data. The magnetic field data is of 3D and electric field is of 2D. These data are visualized as points in 3D space and connected these points’ throug lines. The magnetic and electric field data are visualized in same space. A smooth simulation movie is made from the pre-computed data using windows-movie maker.

Ort, förlag, år, upplaga, sidor
2010. , s. 56
Nyckelord [en]
plasmafysik, visualisering, dataanalys, beräkningsfysik
Nationell ämneskategori
Datavetenskap (datalogi)
Identifikatorer
URN: urn:nbn:se:liu:diva-54171ISRN: LiU-ITN-TEK-A--10/001--SEOAI: oai:DiVA.org:liu-54171DiVA, id: diva2:300626
Presentation
2010-01-08, TP-32, Entréplan, Täppan, Norrköping, 13:00 (Engelska)
Uppsök
teknik
Handledare
Examinatorer
Tillgänglig från: 2010-03-18 Skapad: 2010-02-26 Senast uppdaterad: 2018-01-12Bibliografiskt granskad

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