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Cluster of Excellence Simulation Technology (SimTech)

With the Cluster of Excellence in Simulation Technology (SimTech), the University of Stuttgart successfully contributes to the excellence initiative funded by the German Research Foundation (DFG). The cluster was founded since 2008 for 5 years, a second research period started at the end of 2012.

Numerical simulation is an important tool in research as well as in applications of industry. They can replace or facilitate complex, and expensive, or infeasible, real world experiments. With numerous projects, a large number of institutes of the University of Stuttgart contribute to SimTech. The potential of the cluster in particular lies in the tight interdisciplinary cooperation of the projects, the active exchange of knowledge between the disciplines, and the resulting synergy effects. The joint research effort of SimTech leads to the development of new approaches making numerical simulation more efficient, robust, and applicable in novel, complex scenarios. A primary goal of the cluster of excellence is the fusion of the separate strategies and concepts of the participating disciplines, yielding a new kind of integrated simulation environment. Interactive visualization plays an important role in such an environment. It alleviates and facilitates the analysis of the huge amount of data generated by the numerical simulations.

VIS and VISUS contributes to SimTech with different projects in the field of scientific visualization and computer graphics. The PhD students working on the projects are tightly integrated into SimTech, e.g., through the membership in the SimTech graduate school, improving interdisciplinary cooperation and research. Moreover, further researchers of our institutes, which are not directly funded by SimTech, are members of the graduate school, allowing them to benefit from the interdisciplinary environment, as well as to contribute to it.

Publications

Article

Ament, Marco; Sadlo, Filip; Dachsbacher, Carsten; Weiskopf, Daniel: Low-Pass Filtered Volumetric Shadows.
IEEE Transactions on Visualization and Computer Graphics (2014).
[to appear]
Visual Adjacency Lists for Dynamic Graphs
Hlawatsch, Marcel; Burch, Michael; Weiskopf, Daniel: Visual Adjacency Lists for Dynamic Graphs.
IEEE Transactions on Visualization and Computer Graphics (2014).
Pathline Glyphs
Hlawatsch, Marcel; Sadlo, Filip; Jang, Hajun; Weiskopf, Daniel: Pathline Glyphs.
Computer Graphics Forum 33 (2), pp. 497-506 (2014).
Vom Transportmittel zum rollenden Computer – Interaktion im Auto
Pfleging, Bastian; Schneegaß, Stefan; Kern, Dagmar; Schmidt, Albrecht: Vom Transportmittel zum rollenden Computer – Interaktion im Auto.
Informatik-Spektrum 37 (5), pp. 1-5 (2014).
From Photography to Ubiquitous Capture Systems
Schmidt, Albrecht; Pfleging, Bastian; Holz, Christian; Holmquist, Lars E.: From Photography to Ubiquitous Capture Systems.
IEEE Pervasive Computing 13 (1), pp. 10--13 (2014).
Scale-Stack Bar Charts
Hlawatsch, Marcel; Sadlo, Filip; Burch, Michael; Weiskopf, Daniel: Scale-Stack Bar Charts.
Computer Graphics Forum 32 (3), pp. 181-190 (2013).
Predictability-Based Adaptive Mouse Interaction and Zooming for Visual Flow Exploration.
Hlawatsch, Marcel; Sadlo, Filip; Weiskopf, Daniel: Predictability-Based Adaptive Mouse Interaction and Zooming for Visual Flow Exploration..
International Journal for Uncertainty Quantification 3 (3), pp. 225-240 (2013).
Supporting Interaction Through Haptic Feedback in Automotive User Interfaces
Kern, Dagmar; Pfleging, Bastian: Supporting Interaction Through Haptic Feedback in Automotive User Interfaces.
interactions 20 (2), pp. 16--21 (2013).
Ubiquitous Connectivity in the Mountains: Enhancing the Ski Experience
Pfleging, Bastian; Schmidt, Albrecht; Michahelles, Florian: Ubiquitous Connectivity in the Mountains: Enhancing the Ski Experience.
Pervasive Computing 12 (2) (2013).
2012 IEEE Visualization Contest Winner: Visualization of Polarization Domains in Barium Titanate
Scharnowski, Katrin; Krone, Michael; Sadlo, Filip; Beck, Philipp; Roth, Johannes; Trebin, Hans-Rainer; Ertl, Thomas: 2012 IEEE Visualization Contest Winner: Visualization of Polarization Domains in Barium Titanate.
IEEE Computer Graphics & Applications 33 (5), pp. 9-17 (2013).
A Time-Dependent Vector Field Topology Based on Streak Surfaces
Üffinger, Markus; Sadlo, Filip; Ertl, Thomas: A Time-Dependent Vector Field Topology Based on Streak Surfaces.
IEEE Transactions on Visualization and Computer Graphics 19 (3), pp. 379-392 (2013).
Magnetic Flux Topology of 2D Point Dipoles
Bachthaler, Sven; Sadlo, Filip; Weeber, Rudolf; Kantorovich, Sofia S.; Holm, Christian; Weiskopf, Daniel: Magnetic Flux Topology of 2D Point Dipoles.
Computer Graphics Forum 31 (3), pp. 955-964 (2012).
Karch, Grzegorz K.; Sadlo, Filip; Weiskopf, Daniel; Hansen, Charles D.; Li, Guo-Shi; Ertl, Thomas: Dye-Based Flow Visualization.
IEEE Computing in Science and Engineering 14 (6), pp. 80-86 (2012).
Visualization of Advection-Diffusion in Unsteady Fluid Flow
Karch, Grzegorz K.; Sadlo, Filip; Weiskopf, Daniel; Munz, Claus-Dieter; Ertl, Thomas: Visualization of Advection-Diffusion in Unsteady Fluid Flow.
Computer Graphics Forum 31 (3), pp. 1105-1114 (2012).
Reducing Non-Primary Task Distraction in Cars Through Multi-Modal Interaction
Pfleging, Bastian; Kern, Dagmar; Döring, Tanja; Schmidt, Albrecht: Reducing Non-Primary Task Distraction in Cars Through Multi-Modal Interaction.
it - Information Technology 54 (4), pp. 179-187 (2012).
Automotive User Interfaces
Schmidt, Albrecht; Pfleging, Bastian: Automotive User Interfaces.
it - Information Technology 54 (4), pp. 155-156 (2012).
Progressive Splatting of Continuous Scatterplots and Parallel Coordinates
Heinrich, Julian; Bachthaler, Sven; Weiskopf, Daniel: Progressive Splatting of Continuous Scatterplots and Parallel Coordinates.
Computer Graphics Forum 30 (3), p. 653–662 (2011).
Flow Radar Glyphs - Static Visualization of Unsteady Flow with Uncertainty
Hlawatsch, Marcel; Leube, Philipp; Nowak, Wolfgang; Weiskopf, Daniel: Flow Radar Glyphs - Static Visualization of Unsteady Flow with Uncertainty.
IEEE Transactions on Visualization and Computer Graphics 17 (12), pp. 1949-1958 (2011).
Hierarchical Line Integration
Hlawatsch, Marcel; Sadlo, Filip; Weiskopf, Daniel: Hierarchical Line Integration.
IEEE Transactions on Visualization and Computer Graphics 17 (8), pp. 1148-1163 (2011).
Coherent Structures of Characteristic Curves in Symmetric Second Order Tensor Fields
Hlawatsch, Marcel; Vollrath, Joachim E.; Sadlo, Filip; Weiskopf, Daniel: Coherent Structures of Characteristic Curves in Symmetric Second Order Tensor Fields.
IEEE Transactions on Visualization and Computer Graphics 17 (6), pp. 781-794 (2011).
Efficient Parallel Vectors Feature Extraction from Higher-Order Data
Pagot, Christian; Osmari, Daniel; Sadlo, Filip; Weiskopf, Daniel; Ertl, Thomas; Comba, João L. D.: Efficient Parallel Vectors Feature Extraction from Higher-Order Data.
Computer Graphics Forum 30 (3), pp. 751-760 (2011).
Visualization of Cell-Based Higher-Order Fields
Sadlo, Filip; Üffinger, Markus; Pagot, Christian; Osmari, Daniel; Comba, João L. D.; Ertl, Thomas; Munz, Claus-Dieter; Weiskopf, Daniel: Visualization of Cell-Based Higher-Order Fields.
Computing in Science & Engineering 13 (3), pp. 84-91 (2011).
Fuchs, Raphael; Kemmler, Jan; Schindler, Benjamin; Waser, Jürgen; Sadlo, Filip; Hauser, Helwig; Peikert, Ronald: Toward a Lagrangian Vector Field Topology.
Computer Graphics Forum 29 (3), pp. 1163-1172 (2010).
Time-Dependent 2D Vector Field Topology: An Approach Inspired by Lagrangian Coherent Structures
Sadlo, Filip; Weiskopf, Daniel: Time-Dependent 2D Vector Field Topology: An Approach Inspired by Lagrangian Coherent Structures.
Computer Graphics Forum 29 (1), pp. 88-100 (2010).

Chapter of a Book

Space-Time Flow Visualization of Dynamics in 2D Lagrangian Coherent Structures
Sadlo, Filip; Bachthaler, Sven; Dachsbacher, Carsten; Weiskopf, Daniel: Space-Time Flow Visualization of Dynamics in 2D Lagrangian Coherent Structures.
In: Gabriela Csurka, Martin Kraus, Robert S. Laramee, Paul Richard, José Braz : Communications in Computer and Information Science. Heidelberg: Springer (2013).
Ament, Marco; Frey, Steffen; Müller, Christoph; Grottel, Sebastian; Ertl, Thomas; Weiskopf, Daniel: GPU-Accelerated Visualization.
In: E. W. Bethel, H. Childs, and C. Hansen: High Performance Visualization: Enabling Extreme-Scale Scientific Insight. Chapman and Hall/CRC (2012).
Ubiquitous computing
Lauth, Codrina; Berendt, Bettina; Pfleging, Bastian; Schmidt, Albrecht: Ubiquitous computing.
In: Alexander Mehler, Laurent Romary: Handbook of Technical Communication. Berlin / Boston: DE GRUYTER (2012).

Conference Paper

3D Displays in Cars: Exploring the User Performance for a Stereoscopic Instrument Cluster
Broy, Nora; Alt, Florian; Schneegaß, Stefan; Pfleging, Bastian: 3D Displays in Cars: Exploring the User Performance for a Stereoscopic Instrument Cluster.
In: Proceedings of the 6th International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI '14) (2014).
[to appear]
Streamline-Based Concepts for Space-Time Analysis of 2D Time-Dependent Flow
Karch, Grzegorz K.; Sadlo, Filip; Weiskopf, Daniel; Ertl, Thomas: Streamline-Based Concepts for Space-Time Analysis of 2D Time-Dependent Flow.
In: Proceedings of International Symposium on Flow Visualization (ISFV16) 2014 (2014).
Lyapunov Time for 2D Lagrangian Visualization
Sadlo, Filip: Lyapunov Time for 2D Lagrangian Visualization.
In: Topological and Statistical Methods for Complex Data (2014).
[to appear]
A Comparison of Finite-Time and Finite-Size Lyapunov Exponents
Peikert, Ronald; Pobitzer, Armin; Sadlo, Filip; Schindler, Benjamin: A Comparison of Finite-Time and Finite-Size Lyapunov Exponents.
In: Topological Methods in Data Analysis and Visualization III, pp. 187-200 (2014).
Pfleging, Bastian; Meschtscherjakov, Alexander; Schneegaß, Stefan; Tscheligi, Manfred: Experience Maps: Exploring Driver's Preferences Towards Experience-Enhanced Car Navigation.
In: Extended Abstracts of the 6th International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI '14) (2014).
[to appear]
Topological Features in Time-Dependent Advection-Diffusion Flow
Sadlo, Filip; Karch, Grzegorz K.; Ertl, Thomas: Topological Features in Time-Dependent Advection-Diffusion Flow.
In: Topological Methods in Data Analysis and Visualization III, pp. 217-231 (2014).
Exploiting Thermal Reflection for Interactive Systems
Sahami, Alireza; Abdelrahman, Yomna; Henze, Niels; Schneegaß, Stefan; Khalilbeigi, Mohammadreza; Schmidt, Albrecht: Exploiting Thermal Reflection for Interactive Systems.
In: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (2014).
SmudgeSafe: Geometric Image Transformations for Smudge-resistant User Authentication
Schneegaß, Stefan; Steimle, Frank; Bulling, Andreas; Alt, Florian; Schmidt, Albrecht: SmudgeSafe: Geometric Image Transformations for Smudge-resistant User Authentication.
In: Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2014) 2014 (2014).
[to appear]
A Long-Term Field Study on the Adoption of Smartphones by Children in Panama
Valderrama Bahamóndez, Elba d. C.; Pfleging, Bastian; Henze, Niels; Schmidt, Albrecht: A Long-Term Field Study on the Adoption of Smartphones by Children in Panama.
In: Proceedings of the International Conference on Human Computer Interaction with Mobile Devices and Services (MobileHCI 2014) (2014).
[to appear]
Sonify - A Platform for the Sonification of Text Messages
Alt, Florian; Pfleging, Bastian; Schmidt, Albrecht: Sonify - A Platform for the Sonification of Text Messages.
In: Proceedings of Mensch & Computer 2013: Interaktive Vielfalt, pp. 149--158 (2013).
Visualization of Piecewise Linear Interface Calculation
Karch, Grzegorz K.; Sadlo, Filip; Meister, Christian; Rauschenberger, Philipp; Eisenschmidt, Kathrin; Weigand, Bernhard; Ertl, Thomas: Visualization of Piecewise Linear Interface Calculation.
In: Proceedings of Pacific Visualization Symposium (PacificVis) 2013, pp. 121-128 (2013).
PowerWall Interactions
Pfleging, Bastian; Raschke, Michael; Püttmann, Edwin; Ploner, Nico: PowerWall Interactions.
In: CHI 2013 Extended Abstracts (2013).
Exploring User Expectations for Context and Road Video Sharing While Calling and Driving
Pfleging, Bastian; Schneegaß, Stefan; Schmidt, Albrecht: Exploring User Expectations for Context and Road Video Sharing While Calling and Driving.
In: Proceedings of the 5th International Conference on Automotive User Interfaces and Interactive Vehicular Applications, pp. 132--139 (2013).
A Data Set of Real World Driving to Assess Driver Workload
Schneegaß, Stefan; Pfleging, Bastian; Broy, Nora; Heinrich, Frederik; Schmidt, Albrecht: A Data Set of Real World Driving to Assess Driver Workload.
In: Proceedings of the 5th International Conference on Automotive User Interfaces and Interactive Vehicular Applications, pp. 150--157 (2013).
Üffinger, Markus; Sadlo, Filip; Munz, Claus-Dieter; Ertl, Thomas: Toward Wall Function Consistent Interpolation of Flow Fields .
In: EuroVis (Short Papers), pp. 85-89 (2013).
Meaningful Melodies - Personal Sonification of Text Messages for Mobile Devices
Alt, Florian; Pfleging, Bastian; Schmidt, Albrecht: Meaningful Melodies - Personal Sonification of Text Messages for Mobile Devices.
In: Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services companion, pp. 189-192 (2012).
Space-Time Visualization of Dynamics in Lagrangian Coherent Structures of Time-Dependent 2D Vector Fields
Bachthaler, Sven; Sadlo, Filip; Dachsbacher, Carsten; Weiskopf, Daniel: Space-Time Visualization of Dynamics in Lagrangian Coherent Structures of Time-Dependent 2D Vector Fields.
In: International Conference on Information Visualization Theory and Applications, pp. 573-583 (2012).
Visualizing Solar Dynamics Data
Mello Machado, Gustavo; Sadlo, Filip; Müller, Thomas; Müller, Daniel; Ertl, Thomas: Visualizing Solar Dynamics Data.
In: Workshop on Vision, Modeling and Visualization (VMV) 2012, pp. 95-102 (2012).
AutoNUI 2012: The Second Workshop on Automotive Natural User Interfaces
Pfleging, Bastian; Döring, Tanja; Alvarez, Ignacio; Kranz, Matthias; Weinberg, Garrett; Healey, Jennifer: AutoNUI 2012: The Second Workshop on Automotive Natural User Interfaces.
In: Adjunct Proceedings of the 4th International Conference on Automotive User Interfaces and Interactive Vehicular Applications, pp. 37-38 (2012).
Multimodal Interaction in the Car - Combining Speech and Gestures on the Steering Wheel
Pfleging, Bastian; Schneegaß, Stefan; Schmidt, Albrecht: Multimodal Interaction in the Car - Combining Speech and Gestures on the Steering Wheel.
In: Proceedings of the 4th International Conference on Automotive User Interfaces and Interactive Vehicular Applications, pp. 155-162 (2012).
On the Finite-Time Scope for Computing Lagrangian Coherent Structures from Lyapunov Exponents
Sadlo, Filip; Üffinger, Markus; Ertl, Thomas; Weiskopf, Daniel: On the Finite-Time Scope for Computing Lagrangian Coherent Structures from Lyapunov Exponents.
In: Topological Methods in Data Analysis and Visualization II (TopoInVis 2011) 2011, pp. 269-281 (2012).
FTLE Computation Beyond First Order Approximation
Üffinger, Markus; Sadlo, Filip; Kirby, Mike; Hansen, Charles D.; Ertl, Thomas: FTLE Computation Beyond First Order Approximation.
In: Eurographics 2012 (Short Papers), pp. 61-64 (2012).
[to appear]
Supporting children with special needs through multi-perspective behavior analysis
Alt, Florian; Bungert, Andreas; Pfleging, Bastian; Schmidt, Albrecht; Havemann, Meindert: Supporting children with special needs through multi-perspective behavior analysis.
In: Proceedings of the 10th International Conference on Mobile and Ubiquitous Multimedia, pp. 81-84 (2011).
GPU-based 2D Flow Simulation Steering using Coherent Structures
Ament, Marco; Frey, Steffen; Sadlo, Filip; Ertl, Thomas; Weiskopf, Daniel: GPU-based 2D Flow Simulation Steering using Coherent Structures.
In: Proceedings of the 2nd International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering 2011, p. paper18 (2011).
Interactive Isocontouring of High-Order Surfaces
Pagot, Christian; Vollrath, Joachim E.; Sadlo, Filip; Weiskopf, Daniel; Ertl, Thomas; Comba, João L. D.: Interactive Isocontouring of High-Order Surfaces.
In: Dagstuhl Follow-Ups, vol. 2 2010, pp. 276-291 (2011).
AutoNUI: a workshop on automotive natural user interfaces
Pfleging, Bastian; Döring, Tanja; Knobel, Martin; Schmidt, Albrecht: AutoNUI: a workshop on automotive natural user interfaces.
In: Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications, pp. 207-209 (2011).
Auto-Tilt Photography
Sadlo, Filip; Dachsbacher, Carsten: Auto-Tilt Photography.
In: Proceedings of International Workshop on Vision, Modeling and Visualization, pp. 239-246 (2011).
Time-Dependent Visualization of Lagrangian Coherent Structures by Grid Advection
Sadlo, Filip; Rigazzi, Alessandro; Peikert, Ronald: Time-Dependent Visualization of Lagrangian Coherent Structures by Grid Advection.
In: Topological Methods in Data Analysis and Visualization, pp. 151-165 (2011).
Support for Modeling Interaction with Automotive User Interfaces
Schneegaß, Stefan; Pfleging, Bastian; Kern, Dagmar; Schmidt, Albrecht: Support for Modeling Interaction with Automotive User Interfaces.
In: Proceedings of the 3nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI '11) 2011, pp. 71-78 (2011).
MobiDev: A Tool for Creating Apps on Mobile Phones
Seifert, Julian; Pfleging, Bastian; Valderrama Bahamóndez, Elba d. C.; Hermes, Martin; Rukzio, Enrico; Schmidt, Albrecht: MobiDev: A Tool for Creating Apps on Mobile Phones.
In: Proceedings of the 13th international conference on Human computer interaction with mobile devices and services (MobileHCI '11) 2011, pp. 109-112 (2011).
Direct Visualization of Particle-Partition of Unity Data
Üffinger, Markus; Schweitzer, Marc A.; Sadlo, Filip; Ertl, Thomas: Direct Visualization of Particle-Partition of Unity Data.
In: International Workshop on Vision, Modeling and Visualization 16, pp. 255-262 (2011).
Trajectory-Augmented Visualization of Lagrangian Coherent Structures in Unsteady Flow
Falk, Martin; Seizinger, Alexander; Sadlo, Filip; Üffinger, Markus; Weiskopf, Daniel: Trajectory-Augmented Visualization of Lagrangian Coherent Structures in Unsteady Flow.
In: International Symposium on Flow Visualization (ISFV14) (2010).
Interactive High-Quality Visualization of Higher-Order Finite Elements
Üffinger, Markus; Frey, Steffen; Ertl, Thomas: Interactive High-Quality Visualization of Higher-Order Finite Elements.
In: Computer Graphics Forum (CGF) Volume 29(2) (Euro Graphics 2010) Pages 115-136 29, pp. 337-346 (2010).
GPU-Based Streamlines for Surface-Guided 3D Flow Visualization
Üffinger, Markus; Klein, Thomas; Strengert, Magnus; Ertl, Thomas: GPU-Based Streamlines for Surface-Guided 3D Flow Visualization.
In: Proceedings of Vision Modeling and Visualization 2008 (VMV 2008), pp. 91-100 (2008).

Conference Paper (Abstract Reviewed)

Visualizing edge-conforming discrete field quantities in electromagnetic field problems with interfaces
Karch, Grzegorz K.; Sadlo, Filip; Songoro, Harald; Gjonaj, Erion; Weiland, Thomas; Ertl, Thomas: Visualizing edge-conforming discrete field quantities in electromagnetic field problems with interfaces.
In: ILASS–Europe, 25th European Conference on Liquid Atomization and Spray Systems, Chania, Greece, 2013 (2013).

Conference Paper (Not Reviewed)

Bolemann, Thomas; Üffinger, Markus; Sadlo, Filip; Ertl, Thomas; Munz, Claus-Dieter: Direct Visualization of Piecewise Polynomial Data.
In: (2014).
[to appear]
Ament, Marco; Sadlo, Filip; Weiskopf, Daniel: Volumenvisualisierung einer Supernova.
In: Informatik Spektrum 36, p. 487 (2013).

PhD Thesis

Visualization and mesoscopic simulation in systems biology
Falk, Martin: Visualization and mesoscopic simulation in systems biology. Diss., Visualization Research Center, Universität Stuttgart (2013).