[Forschungsseminar-BSV] Forschungsseminar Computergrafik, Bildverarbeitung und Visualisierung

[Vanessa Kretzschmar]

E I N L A D U N G

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zum Forschungsseminar 'Computergrafik, Bildverarbeitung und Visualisierung'

     am Mittwoch, den 17. April 2019, 13:00 Uhr,
     Raum P-701 im Paulinum am Augustusplatz.

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Wir hören einen Vortrag von

    Christian Blecha

mit dem Titel:

    "Analysis of coupled thermo-hydro-mechanical simulations of
    a generic nuclear waste repository in clay rock using fiber surfaces".

zum Inhalt:

    The use of clean and renewable energy and the
    abandoning of fossil energy have become goals of many national
    and international energy policies. But even when once accom-
    plished, mankind has to take charge of the relics of the current
    energy supply system. For example, due to its harmful effects,
    nuclear waste has to be isolated from the biosphere safely and
    for sufficiently long times. The geological subsurface is consid-
    ered as a promising option for the deposition of such by- or
    end products. In order to investigate the long-term evolution of
    a repository system, a multiphysics simulation was performed.
    It combines the structural mechanics of the host rock, the
    fluid dynamics of formation fluids, and the thermodynamics
    of all materials resulting in a highly multivariate data set. A
    visualization of such multiphysics data challenges the current
    methodology. In this article, we demonstrate how an analysis
    of a carefully selected subset of the variables in attribute space
    allows to visualize and interpret the simulation data. We apply
    a fiber surface extraction algorithm to explore the relationships
    between these variables. Studying the temporal evolution in
    attribute space, we found a regionally bulge that could be
    identified as an effect of the nuclear waste repository because
    it can be clearly separated from the natural geophysical state
    prior to waste disposal. Furthermore, we used the extracted
    fiber surface as a starting point to examine the distribution
    of other variables inside this area of the physical domain.
    We conclude this case study with lessons learned from the
    visualization as well as the geotechnical side.

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Alle Interessierten sind im Namen von Professor Dr. Scheuermann herzlich
eingeladen.

Mit freundlichen Grüßen
Vanessa Kretzschmar

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