Boundary-Integral Simulations of Rayleigh-Taylor Instability in Ideal Magnetohydrodynamics.

Abstract

Rayleigh-Taylor fluid instabilities are studied in the ideal magnetohydrodynamic (MHD) limit by applying boundary integral mathematical formulations to solve Laplace's equation with Dirichlet conditions on complicated boundaries. Instabilities in both the flute and sausage modes are studied for an accelerating thin cylindrical plasma, and calculations demonstrate the basic nonlinear dynamics of the z-pinch geometry. The dynamics and mathematics of plane thin shells and thin shells in cylindrical geometries with axisymmetric flow are discussed. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1983
Accession Number
ADA131667

Entities

People

  • Gregory R. Baker
  • Robert L. Mccrory
  • Steven A. Orszag

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Axisymmetric Flow
  • Equations
  • Flow
  • Fluid Flow
  • Geometry
  • Governments
  • Instability
  • Integral Equations
  • Integrals
  • Rayleigh Taylor Instability
  • Standards
  • Thickness
  • United States
  • United States Government
  • Z-Pinches

Fields of Study

  • Physics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Plasma Physics / Magnetohydrodynamics