Initial Stage of Modeling of the Magma State in a Slot Volcano with a Finite Velocity of Diaphragm Opening

Results of a numerical analysis of the dynamic behavior of a compressed magma melt in a slot channel with gradual opening of the diaphragm and results of simulations of its time evolution are reported. The Iordanskii–Kogarko–van Vijngaarden mathematical model of a twophase medium and a model that de...

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Bibliographic Details
Published inJournal of applied mechanics and technical physics Vol. 58; no. 6; pp. 1063 - 1068
Main Authors Davydov, M. N., Kedrinskii, V. K.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.11.2017
Springer Nature B.V
Subjects
Applications of Mathematics
Classical and Continuum Physics
Classical Mechanics
Computer simulation
Concentration (composition)
Fluid- and Aerodynamics
Magma
Mathematical Modeling and Industrial Mathematics
Mathematical models
Mechanical Engineering
Numerical analysis
Phase transitions
Physics
Physics and Astronomy
Simulation
slot volcano eruption
crack
viscosity
decompression
magma melt
cavitation
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Summary:Results of a numerical analysis of the dynamic behavior of a compressed magma melt in a slot channel with gradual opening of the diaphragm and results of simulations of its time evolution are reported. The Iordanskii–Kogarko–van Vijngaarden mathematical model of a twophase medium and a model that describes phase changes in the gas-saturated plasma behind the front of the decompression wave being formed are used. Results of numerical simulations of the flow with allowance for specific features of the pressure dynamics in the decompression wave, mass velocity components, volume fraction of the gas phase, and its viscosity are presented.
ISSN:0021-8944
1573-8620
DOI:10.1134/S0021894417060128