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Documents authored by Deines, Eduard

Document
DOI: 10.4230/DFU.Vol2.SciViz.2011.73
On the Computation of Integral Curves in Adaptive Mesh Refinement Vector Fields

Authors: Eduard Deines, Gunther H. Weber, Christoph Garth, Brian Van Straalen, and Sergey Borovikov

Published in: Dagstuhl Follow-Ups, Volume 2, Scientific Visualization: Interactions, Features, Metaphors (2011)

Abstract
Integral curves, such as streamlines, streaklines, pathlines, and timelines, are an essential tool in the analysis of vector field structures, offering straightforward and intuitive interpretation of visualization results. While such curves have a long-standing tradition in vector field visualization, their application to Adaptive Mesh Refinement (AMR) simulation results poses unique problems. AMR is a highly effective discretization method for a variety of physical simulation problems and has recently been applied to the study of vector fields in flow and magnetohydrodynamic applications. The cell-centered nature of AMR data and discontinuities in the vector field representation arising from AMR level boundaries complicate the application of numerical integration methods to compute integral curves. In this paper, we propose a novel approach to alleviate these problems and show its application to streamline visualization in an AMR model of the magnetic field of the solar system as well as to a simulation of two incompressible viscous vortex rings merging.
Cite as

Eduard Deines, Gunther H. Weber, Christoph Garth, Brian Van Straalen, and Sergey Borovikov. On the Computation of Integral Curves in Adaptive Mesh Refinement Vector Fields. In Scientific Visualization: Interactions, Features, Metaphors. Dagstuhl Follow-Ups, Volume 2, pp. 73-91, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InCollection{deines_et_al:DFU.Vol2.SciViz.2011.73,
  author =	{Deines, Eduard and Weber, Gunther H. and Garth, Christoph and Van Straalen, Brian and Borovikov, Sergey},
  title =	{{On the Computation of Integral Curves in Adaptive Mesh Refinement Vector Fields}},
  booktitle =	{Scientific Visualization: Interactions, Features, Metaphors},
  pages =	{73--91},
  series =	{Dagstuhl Follow-Ups},
  ISBN =	{978-3-939897-26-2},
  ISSN =	{1868-8977},
  year =	{2011},
  volume =	{2},
  editor =	{Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DFU.Vol2.SciViz.2011.73},
  URN =		{urn:nbn:de:0030-drops-32880},
  doi =		{10.4230/DFU.Vol2.SciViz.2011.73},
  annote =	{Keywords: integration-based visualization, streamlines, interpolation, adaptive mesh refinement}
}
Document
DOI: 10.4230/OASIcs.VLUDS.2010.111
Visualization in Human-Centered Virtual Factories

Authors: Xiang Yang, Eduard Deines, and Jan C. Aurich

Published in: OASIcs, Volume 19, Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop) (2011)

Abstract
In a manufacturing system (MS), a wide range of human activities are applied in production processes. The human factor plays a core role and should be incorporated into the design, planning and decision making processes. In this work we describe different definitions, developments and existing concepts of a Virtual Factory (VF) and discuss VFs from the human oriented point of view. Furthermore, we analyze the potential need and use of visualization methods in VF study and propose a human-centered VF concept. Following this concept we introduce an example implementation and describe how our model facilitates the decision making and design process in MS. In addition, we show an example of a noise analysis of working environment, which is based on our virtual factory model.
Cite as

Xiang Yang, Eduard Deines, and Jan C. Aurich. Visualization in Human-Centered Virtual Factories. In Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop). Open Access Series in Informatics (OASIcs), Volume 19, pp. 111-119, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InProceedings{yang_et_al:OASIcs.VLUDS.2010.111,
  author =	{Yang, Xiang and Deines, Eduard and Aurich, Jan C.},
  title =	{{Visualization in Human-Centered Virtual Factories}},
  booktitle =	{Visualization of Large and Unstructured Data Sets - Applications in Geospatial Planning, Modeling and Engineering (IRTG 1131 Workshop)},
  pages =	{111--119},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-29-3},
  ISSN =	{2190-6807},
  year =	{2011},
  volume =	{19},
  editor =	{Middel, Ariane and Scheler, Inga and Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.VLUDS.2010.111},
  URN =		{urn:nbn:de:0030-drops-31031},
  doi =		{10.4230/OASIcs.VLUDS.2010.111},
  annote =	{Keywords: Visualization, Virtual Reality, Virtual Factory, Sound Simulation}
}
Document
DOI: 10.4230/DFU.SciViz.2010.303
Audio-visual Virtual Reality System for Room Acoustics

Authors: Eduard Deines, Martin Hering-Bertram, Jan Mohring, Jevgenijs Jegorovs, and Hans Hagen

Published in: Dagstuhl Follow-Ups, Volume 1, Scientific Visualization: Advanced Concepts (2010)

Abstract
We present an audio-visual Virtual Reality display system for simulated sound fields. In addition to the room acoustic simulation by means of phonon tracing and finite element method this system includes the stereoscopic visualization of simulation results using a 3D back projection system as well as auralization by use of a professional sound equipment. For auralization purposes we develop a sound field synthesis approach for accurate control of the loudspeaker system.
Cite as

Eduard Deines, Martin Hering-Bertram, Jan Mohring, Jevgenijs Jegorovs, and Hans Hagen. Audio-visual Virtual Reality System for Room Acoustics. In Scientific Visualization: Advanced Concepts. Dagstuhl Follow-Ups, Volume 1, pp. 303-320, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InCollection{deines_et_al:DFU.SciViz.2010.303,
  author =	{Deines, Eduard and Hering-Bertram, Martin and Mohring, Jan and Jegorovs, Jevgenijs and Hagen, Hans},
  title =	{{Audio-visual Virtual Reality System for Room Acoustics}},
  booktitle =	{Scientific Visualization: Advanced Concepts},
  pages =	{303--320},
  series =	{Dagstuhl Follow-Ups},
  ISBN =	{978-3-939897-19-4},
  ISSN =	{1868-8977},
  year =	{2010},
  volume =	{1},
  editor =	{Hagen, Hans},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DFU.SciViz.2010.303},
  URN =		{urn:nbn:de:0030-drops-27128},
  doi =		{10.4230/DFU.SciViz.2010.303},
  annote =	{Keywords: Special Relativity, Minkowski, Spacetime, Virtual Camera}
}
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