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231223s2007 xx ||||| 00| ||eng c |
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|a (NLM)17093346
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhao, Ye
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Visual simulation of heat shimmering and mirage
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 07.02.2007
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|a Date Revised 21.11.2008
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|a published: Print
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|a Citation Status MEDLINE
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|a We provide a physically-based framework for simulating the natural phenomena related to heat interaction between objects and the surrounding air. We introduce a heat transfer model between the heat source objects and the ambient flow environment, which includes conduction, convection, and radiation. The heat distribution of the objects is represented by a novel temperature texture. We simulate the thermal flow dynamics that models the air flow interacting with the heat by a hybrid thermal lattice Boltzmann model (HTLBM). The computational approach couples a multiple-relaxation-time LBM (MRTLBM) with a finite difference discretization of a standard advection-diffusion equation for temperature. In heat shimmering and mirage, the changes in the index of refraction of the surrounding air are attributed to temperature variation. A nonlinear ray tracing method is used for rendering. Interactive performance is achieved by accelerating the computation of both the MRTLBM and the heat transfer, as well as the rendering on contemporary graphics hardware (GPU)
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| 650 |
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 700 |
1 |
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|a Han, Yiping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Zhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiu, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kuo, Yu-Chuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kaufman, Arie E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mueller, Klaus
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1998
|g 13(2007), 1 vom: 10. Jan., Seite 179-89
|w (DE-627)NLM098269445
|x 1077-2626
|7 nnns
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| 773 |
1 |
8 |
|g volume:13
|g year:2007
|g number:1
|g day:10
|g month:01
|g pages:179-89
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|a AR
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|d 13
|j 2007
|e 1
|b 10
|c 01
|h 179-89
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