We describe an interactive toolkit used to perform comparative analysis of two or more data sets arising from numerical simulations. Several techniques have been incorporated into this toolkit, including (1) successive visualization of individual data sets, (2) data comparison techniques such as computation and visualization of the differences between data sets, and (3) image comparison methods such as scalar field height profiles plotted in a common coordinate system. We describe each technique in detail and show example usage in an industrial application aimed at designing an efficient, low- burner for industrial furnaces. Critical insights are obtained by interactively adjusted color maps, data culling, and data manipulation. New paradigms for scaling small values in the data comparison technique are described. The display device used for this application is the CAVE virtual reality theater, and we describe the user interface to the visualization toolkit and the benefits of immersive 3D visualization for comparative analysis.
Analyzing Industrial Furnace Efficiency Using Comparative Visualization in a Virtual Reality Environment
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received July 1999; Revised Aug. 2000. Associate Editor: S. G. Kapoor.
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Freitag, L., and Urness, T. (April 29, 2002). "Analyzing Industrial Furnace Efficiency Using Comparative Visualization in a Virtual Reality Environment ." ASME. J. Manuf. Sci. Eng. May 2002; 124(2): 456–461. https://doi.org/10.1115/1.1445150
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