Implicit time integration for plasma simulation
Creators
- 1. Lawrence Livermore National Laboratory, University of California, Livermore, California 94550
Description
To increase the size of the time step, and threrby extend the applicability of kinetic plasma simulation, analysis of the stability and accuracy of implicit time integration schemes for plasma particle-in-cell simulation and the synthesis of new algorithms have been undertaken. Three classes of implicit algorithms are considered in general form. Stability and accuracy calculations provide guidelines for the design and application of implicit simulation algorithms, as illustrated in the construction of new difference schemes with desirable properties. Of particular interest are the relaxation of stability constraints on the time step, strong damping of unwanted high-frequency modes, accuracy of the simulation of low-frequency phenomena, numerical secular acceleration, and numerical stability of fast and slow space-charge waves. The potency of higher order accurate differencing schemes in reducing undesirable numerical effects is demonstrated
Additional details
Publishing Information
- Journal Title
- J. Comput. Phys.
- Journal Volume
- 46
- Journal Issue
- 1
- Series
- J. Comput. Phys.
- Journal Page Range
- 15-53
- ISSN
- 0021-9991
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 14722058
- Subject category
- S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
- Descriptors DEI
- ALGORITHMS; DISPERSION RELATIONS; HARMONIC OSCILLATORS; ITERATIVE METHODS; PLASMA HEATING; PLASMA SIMULATION; PLASMA WAVES; STABILITY
- Descriptors DEC
- HEATING; SIMULATION