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Related Experiment Video

Updated: May 7, 2026

Magnetically Induced Rotating Rayleigh-Taylor Instability

Magnetically Induced Rotating Rayleigh-Taylor Instability

Published on: March 3, 2017

Simple model of the Rayleigh-Taylor instability, collapse, and structural elements.

V P Goncharov¹, V I Pavlov

¹A. M. Obukhov Institute of Atmospheric Physics PAS, 109017 Moscow, Russia.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|September 17, 2013

Summary

This study investigates Rayleigh-Taylor instability in a rotating shallow water model, revealing two distinct collapse scenarios: anisotropic and isotropic. Researchers identified integral criteria and power laws governing these collapse dynamics.

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Published on: March 3, 2017

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Area of Science:

Fluid dynamics
Geophysics

Background:

Rayleigh-Taylor instability is a fundamental phenomenon in fluid dynamics.
Understanding collapse mechanisms is crucial for various geophysical processes.

Purpose of the Study:

To analyze the mechanisms and structural elements of Rayleigh-Taylor instability leading to collapse.
To investigate these phenomena within a rotating shallow water model featuring a horizontal density gradient.

Main Methods:

Utilized a rotating shallow water model.
Analyzed the instability mechanism and its evolution.
Derived integral criteria and power laws.

Main Results:

Identified two possible collapse scenarios: anisotropic and isotropic.
Anisotropic collapse involves a spinning segment formation.
Isotropic collapse results in area contraction to a point.

Conclusions:

The study provides a rigorous framework for understanding collapse dynamics in rotating shallow water systems.
Integral criteria and power laws offer predictive capabilities for collapse evolution.