Singular solutions of the Zakharov equations for Langmuir turbulence

Journal Article · Mon Apr 01 04:00:00 EST 1991 · Physics of Fluids B; (USA)

DOI:https://doi.org/10.1063/1.859852· OSTI ID:5865457

Papanicolaou, G C; Sulem, C; Sulem, P L; Wang, X P ^[1]

---

1. Courant Institute of Mathematical Sciences, 251 Mercer Street, New York, New York 10012 (US)

A dynamic rescaling method is used to simulate numerically the dynamics of a collapsing wave packet in three-dimensional Langmuir turbulence, governed by the vector Zakharov equations. Subsonic and supersonic regimes are considered. For a large class of initial conditions with a single maximum for the field intensity, the collapse is found to be nearly self-similar and weakly anisotropic, while in the subsonic or near subsonic limit the electric field may develop strong anisotropy at early times and break apart into two peaks.

• OSTI ID: 5865457
• Journal Information: Physics of Fluids B; (USA), Journal Name: Physics of Fluids B; (USA) Vol. 3:4; ISSN 0899-8221; ISSN PFBPE
• Country of Publication: United States
• Language: English

Related Subjects

640410* -- Fluid Physics-- General Fluid Dynamics
657002 -- Theoretical & Mathematical Physics-- Classical & Quantum Mechanics
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANNIHILATION
ASYMPTOTIC SOLUTIONS
BASIC INTERACTIONS
ELECTRIC FIELDS
ELECTROMAGNETIC INTERACTIONS
FLUID FLOW
INTERACTIONS
PLASMA
PLASMA WAVES
SCALING LAWS
SIMULATION
SINGULARITY
SUBSONIC FLOW
SUPERSONIC FLOW
THREE-DIMENSIONAL CALCULATIONS
TURBULENCE
WAVE PACKETS