Numerical simulation of explosive volcanic eruption in the initial stage

被引：0
|
作者：
Kudryashov, N.A. [1 ]
Romanov, G.S. [1 ]
Shevyakov, A.F. [1 ]
机构：
[1] Moscow Engineering Physics Inst., Moscow, Russia
来源：
Inzhenerno-Fizicheskii Zhurnal | 2002年 / 75卷 / 03期
关键词：
Approximation theory - Computer simulation - Dust - Explosions - Gases - Shock waves - Suspensions (fluids);
D O I：
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中图分类号：
学科分类号：
摘要：
In an approximation of the two-dimensional dynamics of a monodisperse collisionless gas suspension, the initial stage of explosive volcanic eruption is modeled. Plots of the amplitude of a shock wave versus the distance in the initial stage are constructed. The general picture of change in the dust concentration near a volcano crater is given. The dependence of the height of a gas-dust column on the explosion energy and the dynamics of ash ejection on volcanic eruption are investigated.
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页码：3 / 8
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