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Authors: Oliver Fernandes ; Steffen Frey and Thomas Ertl

Affiliation: University of Stuttgart, Germany

Keyword(s): Energy Transport, Glyph-based Visualization, Glyph Placement, Volume Rendering, Energy Flux, Flow Dynamics.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Flow Visualization ; Multi-Field Visualization ; Scientific Visualization ; Spatial Data Visualization

Abstract: We present a novel technique to visualize the transport of and conversion between internal and kinetic energy in compressible flow data. While the distribution of energy can be directly derived from flow state variables (e.g., velocity, pressure and temperature) for each time step individually, there is no information regarding the involved transportation and conversion processes. To visualize these, we model the energy transportation problem as a graph that can be solved by a minimum cost flow algorithm, inherently respecting energy conservation. In doing this, we explicitly consider various simulation parameters like boundary conditions and energy transport mechanisms. Based on the resulting flux, we then derive a local measure for the conversion between energy forms using the distribution of internal and kinetic energy. To examine this data, we employ different visual mapping techniques that are specifically targeted towards different research questions. In particular, we introduc e glyphs for visualizing local energy transport, which we place adaptively based on conversion rates to mitigate issues due to clutter and occlusion. We finally evaluate our approach by means of data sets from different simulation codes and feedback by a domain scientist. (More)

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Paper citation in several formats:
Fernandes, O.; Frey, S. and Ertl, T. (2017). Transportation-based Visualization of Energy Conversion. In Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - IVAPP; ISBN 978-989-758-228-8; ISSN 2184-4321, SciTePress, pages 52-63. DOI: 10.5220/0006098200520063

@conference{ivapp17,
author={Oliver Fernandes. and Steffen Frey. and Thomas Ertl.},
title={Transportation-based Visualization of Energy Conversion},
booktitle={Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - IVAPP},
year={2017},
pages={52-63},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006098200520063},
isbn={978-989-758-228-8},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - IVAPP
TI - Transportation-based Visualization of Energy Conversion
SN - 978-989-758-228-8
IS - 2184-4321
AU - Fernandes, O.
AU - Frey, S.
AU - Ertl, T.
PY - 2017
SP - 52
EP - 63
DO - 10.5220/0006098200520063
PB - SciTePress