Parallel solution of the time-dependent Ginzburg-Landau equations and other experiences using BlockComm-Chameleon and PCN on the IBM SP, Intel iPSC/860, and clusters of workstations
- Northern Illinois Univ., DeKalb, IL (United States). Dept. of Mathematical Sciences
- Argonne National Lab., IL (United States)
Time-dependent Ginzburg-Landau (TDGL) equations are considered for modeling a thin-film finite size superconductor placed under magnetic field. The problem then leads to the use of so-called natural boundary conditions. Computational domain is partitioned into subdomains and bond variables are used in obtaining the corresponding discrete system of equations. An efficient time-differencing method based on the Forward Euler method is developed. Finally, a variable strength magnetic field resulting in a vortex motion in Type II High {Tc} superconducting films is introduced. The authors tackled the problem using two different state-of-the-art parallel computing tools: BlockComm/Chameleon and PCN. They had access to two high-performance distributed memory supercomputers: the Intel iPSC/860 and IBM SP1. They also tested the codes using, as a parallel computing environment, a cluster of Sun Sparc workstations.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 266722
- Report Number(s):
- ANL-95/49; ON: DE96012876; TRN: 96:017000
- Resource Relation:
- Other Information: PBD: Sep 1995
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
99 MATHEMATICS
COMPUTERS
INFORMATION SCIENCE
MANAGEMENT
LAW
MISCELLANEOUS
SUPERCOMPUTERS
PARALLEL PROCESSING
TYPE-II SUPERCONDUCTORS
MAGNETIC FLUX
P CODES
SUPERCONDUCTING FILMS
GINZBURG-LANDAU THEORY
TIME DEPENDENCE
CALCULATION METHODS
THREE-DIMENSIONAL CALCULATIONS
PROGRAMMING LANGUAGES
COMPUTER ARCHITECTURE
NUMERICAL SOLUTION
PERFORMANCE TESTING
PARTIAL DIFFERENTIAL EQUATIONS
MATHEMATICAL MODELS