Two-Dimensional Simulation of Hydrodynamic Instability in Supernova Explosions : Astrophysics and Relativity
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概要
- 論文の詳細を見る
We investigate the growth of the hydrodynamic instability in supernova explosion by two-dimensional numerical calculations. The interfaces between the zones with different chemical compositions in the progenitor are expected to be Rayleigh-Taylor unstable and to cause mixing. The location, amplitude and types of initial perturbations may affect the extent of mixing. We study the relation between the extent of mixing and the initial perturbation, especially the location and amplitude of seeds. A 5% velocity perturbation added at and inside the hydrogen/helium (H/He) interface leads to mixing of material but the same perturbation added at and inside the helium/heavy elements (He/C+O) interface does not. A perturbation with much larger amplitude is needed at the inner interface to cause mixing. Thus our results show that the extent of the mixing depends strongly on the amplitude and the location of the initial perturbation.
- 理論物理学刊行会の論文
- 1990-04-25
著者
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吉田 健
福岡工業大学情報システム工学科
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YOSHIDA Tatsuo
Department of Physics, Faculty of Science, Ibaraki University
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Yoshida Tatsuo
Department Of Physics Hokkaido University
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Tatsuo Yoshida
Department Of Physics Ibaraki University
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YAMADA YOSHIYUKI
Department of Clinical and Laboratory Medicine, Akita University School of Medicine
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Yamada Y
Department Of Physics Kyoto University
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Den M
Space Simulation Group National Institute Of Information And Communications Technology
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DEN Mitsue
Department of Physics, College of Liberal Arts and Science Kyoto University
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Yamada Y
Kek Ibaraki Jpn
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Den Mitsue
Space Simulation Group, National Institute of Information and Communications Technology
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Den Mitsue
Research Institute For Theretical Physics Hiroshima University
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Den Mitsue
Department Of Physics College Of Liberal Arts And Science Kyoto University
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Yamada Yasuhiko
National Laboratory For High Energy Physics
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Yamada Yoshiyuki
Department Of Allergy And Immunology Gunma Children's Medical Center
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Yoshida Tatsuo
Department Of Electronic Engineering Faculty Of Mining Akita University
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DEN Mitsue
Department of Physics, Kyoto University
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YOSHIDA Tatsuo
Faculty of Science, Ibaraki University
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YOSHIDA Tatsuo
Faculty of Sciences, Ibaraki University
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YOSHIDA Toshihiro
Department of Physics, Faculty of Education, Fukushima University
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YOSHIDA Toshihiro
Department of Physics, Faculty of Education Fukushima University
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YAMADA Yasuhiko
Department of Physics, Nagoya University
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YOSHIDA Takeshi
Department of Physics, Kyusyu University
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