A Simple Model for Pattern Formation Caused in Sand Dunes by Downbursts
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概要
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Pattern formation in sand dunes due to localized strong winds is investigated taking a downburst as an example. Extending the phenomenological model proposed by Nishimori et al. and taking into account the characteristic of powders, we calculate numerically the temporal evolution of sand patterns without using the hydrodynamic equations. We discuss the relation between the velocity distribution of a downburst and obtained patters qualitatively.
- 2012-09-15
著者
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Iwai Yuki
Department Of Electronics And Bioinformatics Science And Technology Meiji University
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Matsuoka Chihiro
Department Of High Energy Engineering Sciences Interdisciplinary Graduate School Of Engineering Scie
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Matsuoka Chihiro
Department of Physics, Graduate School of Science and Technology, Ehime University, Matsuyama 790-8577, Japan
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Iwai Yuki
Department of Physics, Graduate School of Science and Technology, Ehime University, Matsuyama 790-8577, Japan
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- A Simple Model for Pattern Formation Caused in Sand Dunes by Downbursts