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Filament Based Plasma
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DOI：10.1145/3528223.3530102.png)
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摘要
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Simulation of stellar atmospheres, such as that of our own sun, is a common task in CGI for scientiic visualization, movies and games. A ibrous volumetric texture is a visually dominant feature of the solar corona-the plasma that extends from the solar surface into space. These coronal ibers can be modeled as magnetic ilaments whose shape is governed by the magnetohydrostatic equation. The magnetic ilaments provide a Lagrangian curve representation and their initial coniguration can be prescribed by an artist or generated from magnetic lux given as a scalar texture on the sun's surface. Subsequently, the shape of the ilaments is determined based on a variational formulation. The output is a visual rendering of the whole sun. We demonstrate the idelity of our method by comparing the resulting renderings with actual images of our sun's corona.
Keyword:
Magnetohydrostatics
Conformal
Geodesics
Lagrangian modeling
Filament based method
期刊
IF:
9.5
论文数:
4.7K
被引数:
3.6W
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