Simulation models for computational plasma physics: Concluding report
In this project, the authors enhanced their ability to numerically simulate bounded plasmas that are dominated by low-frequency electric and magnetic fields. They moved towards this goal in several ways; they are now in a position to play significant roles in the modeling of low-frequency electromagnetic plasmas in several new industrial applications. They have significantly increased their facility with the computational methods invented to solve the low frequency limit of Maxwell`s equations (DiPeso, Hewett, accepted, J. Comp. Phys., 1993). This low frequency model is called the Streamlined Darwin Field model (SDF, Hewett, Larson, and Doss, J. Comp. Phys., 1992) has now been implemented in a fully non-neutral SDF code BEAGLE (Larson, Ph.D. dissertation, 1993) and has further extended to the quasi-neutral limit (DiPeso, Hewett, Comp. Phys. Comm., 1993). In addition, they have resurrected the quasi-neutral, zero-electron-inertia model (ZMR) and began the task of incorporating internal boundary conditions into this model that have the flexibility of those in GYMNOS, a magnetostatic code now used in ion source work (Hewett, Chen, ICF Quarterly Report, July--September, 1993). Finally, near the end of this project, they invented a new type of banded matrix solver that can be implemented on a massively parallel computer -- thus opening the door for the use of all their ADI schemes on these new computer architecture`s (Mattor, Williams, Hewett, submitted to Parallel Computing, 1993).
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 10142303
- Report Number(s):
- UCRL-ID-116827; ON: DE94009976; TRN: 94:008552
- Resource Relation:
- Other Information: PBD: 5 Mar 1994
- Country of Publication:
- United States
- Language:
- English
Similar Records
Two portable parallel tridiagonal solvers
ORNL_AISD_NiNb
Related Subjects
GENERAL PHYSICS
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
PLASMA SIMULATION
RESEARCH PROGRAMS
PROGRESS REPORT
USES
NUMERICAL SOLUTION
PARALLEL PROCESSING
COMPUTER CODES
ION SOURCES
MAGNETOTAIL
ETCHING
WASTE PROCESSING
661300
990200
OTHER ASPECTS OF PHYSICAL SCIENCE
MATHEMATICS AND COMPUTERS