A viscosity effect on development of instabilities at the interface between impacted plates

Ilnitsky D. K.; Gorodnichev K. E.; Serezhkin A. A.; Kuratov S. E.; Inogamov N. A.; Gorodnichev E. E.

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A viscosity effect on development of instabilities at the interface between impacted plates

机译：粘度效应撞击板界面处的宽度发展

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The problem of two semi-infinite plates under impact is studied both theoretically and numerically. Initially, one plate has the perturbed density field with uniform distribution of pressure. We demonstrate that various regimes of instabilities development in plates are guided by the appropriate initial conditions. A viscosity effect on instabilities growth is analyzed. Particularly, the minimal wavelength of an initial perturbation, for which viscosity effect is negligible, is obtained. The performed numerical simulations support our theoretical insights.

机译：在理论上和数值下，在影响下进行两个半无限平板的问题。最初，一块板具有具有均匀的压力分布的扰动密度场。我们表明，板块中的稳定性发展的各种制度由适当的初始条件指导。分析了对稳定性增长的粘度效应。特别地，获得初始扰动的最小波长，粘度效应可以忽略不计。执行的数值模拟支持我们的理论见解。

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来源
《Physica Scripta: An International Journal for Experimental and Theoretical Physics》 |2019年第7期|共9页
作者
Ilnitsky D. K.; Gorodnichev K. E.; Serezhkin A. A.; Kuratov S. E.; Inogamov N. A.; Gorodnichev E. E.;
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作者单位

Dukhov Res Inst Automat Sushchevskaya St 22 Moscow 127055 Russia;

Dukhov Res Inst Automat Sushchevskaya St 22 Moscow 127055 Russia;

Dukhov Res Inst Automat Sushchevskaya St 22 Moscow 127055 Russia;

Dukhov Res Inst Automat Sushchevskaya St 22 Moscow 127055 Russia;

Dukhov Res Inst Automat Sushchevskaya St 22 Moscow 127055 Russia;

Natl Res Nucl Univ MEPhI Kashirskoe Shosse 31 Moscow 115409 Russia;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
hydrodynamic instabilities; shock waves; viscosity; entropy-vorticity wave; sound wave;

机译：流体动力稳定性;冲击波;粘度;熵涡旋波;声波;

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1. A viscosity effect on development of instabilities at the interface between impacted plates [J] . Ilnitsky D. K., Gorodnichev K. E., Serezhkin A. A., Physica Scripta: An International Journal for Experimental and Theoretical Physics . 2019,第7期

机译：粘度效应撞击板界面处的宽度发展
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4. CAVITATION-INDUCED INTERFACE INSTABILITY OF DROPLET BETWEEN PLATES [C] . Hongchen Li, Jingzhu Wang, Yiwei Wang ASME/JSME/KSME Joint Fluids Engineering Conference . 2019

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7. The instability of water-mud interface in viscous two-layer flow with large viscosity contrast [O] . Jiebin Liu, Jifu Zhou 2014

机译：粘性双层流动中水泥界面的不稳定性与大粘度对比

A viscosity effect on development of instabilities at the interface between impacted plates

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