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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1109/TVCG.2014.2346744
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|a eng
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|a Matković, Krešimir
|e verfasserin
|4 aut
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|a Visual Analytics for Complex Engineering Systems
|b Hybrid Visual Steering of Simulation Ensembles
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|c 2014
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|a Text
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|a ƒaComputermedien
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|a Date Completed 08.12.2015
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|a Date Revised 11.09.2015
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a In this paper we propose a novel approach to hybrid visual steering of simulation ensembles. A simulation ensemble is a collection of simulation runs of the same simulation model using different sets of control parameters. Complex engineering systems have very large parameter spaces so a naïve sampling can result in prohibitively large simulation ensembles. Interactive steering of simulation ensembles provides the means to select relevant points in a multi-dimensional parameter space (design of experiment). Interactive steering efficiently reduces the number of simulation runs needed by coupling simulation and visualization and allowing a user to request new simulations on the fly. As system complexity grows, a pure interactive solution is not always sufficient. The new approach of hybrid steering combines interactive visual steering with automatic optimization. Hybrid steering allows a domain expert to interactively (in a visualization) select data points in an iterative manner, approximate the values in a continuous region of the simulation space (by regression) and automatically find the "best" points in this continuous region based on the specified constraints and objectives (by optimization). We argue that with the full spectrum of optimization options, the steering process can be improved substantially. We describe an integrated system consisting of a simulation, a visualization, and an optimization component. We also describe typical tasks and propose an interactive analysis workflow for complex engineering systems. We demonstrate our approach on a case study from automotive industry, the optimization of a hydraulic circuit in a high pressure common rail Diesel injection system
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|a Journal Article
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|a Gračanin, Denis
|e verfasserin
|4 aut
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| 700 |
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|a Splechtna, Rainer
|e verfasserin
|4 aut
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| 700 |
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|a Jelović, Mario
|e verfasserin
|4 aut
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| 700 |
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|a Stehno, Benedikt
|e verfasserin
|4 aut
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|a Hauser, Helwig
|e verfasserin
|4 aut
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|a Purgathofer, Werner
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 20(2014), 12 vom: 26. Dez., Seite 1803-12
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|g year:2014
|g number:12
|g day:26
|g month:12
|g pages:1803-12
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|u http://dx.doi.org/10.1109/TVCG.2014.2346744
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