Email this article On contact instabilities of viscoplastic fluids in two-dimensional setting
- Authors: Doludenko A.N.1
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Affiliations:
- Institute of Thermophysical Extremal States, Joint Institute of High Temperatures
- Issue: Vol 57, No 9 (2017)
- Pages: 1550-1557
- Section: Article
- URL: https://journal-vniispk.ru/0965-5425/article/view/179416
- DOI: https://doi.org/10.1134/S0965542517090068
- ID: 179416
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Abstract
The Richtmyer–Meshkov and Rayleigh–Taylor instabilities in viscoplastic (Bingham) fluids are studied in two-dimensional setting. The evolution of the Richtmyer–Meshkov instability in a Bingham fluid is analyzed as compared with its evolution in a Newtonian fluid. The critical amplitude of the initial perturbation in the velocity field is estimated. Numerical results obtained for Richtmyer–Meshkov and Rayleigh–Taylor instabilities in a Bingham fluid are presented and compared with those obtained for a Newtonian fluid.
About the authors
A. N. Doludenko
Institute of Thermophysical Extremal States, Joint Institute of High Temperatures
Author for correspondence.
Email: adoludenko@gmail.com
Russian Federation, Moscow, 125412
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