Plasma and Fusion Research
Volume 17, 2401089 (2022)
Regular Articles
- Yamagata University, Yonezawa, Yamagata 992-8510, Japan
Abstract
The conjugate gradient (CG) method with the acceleration technique of using both H-matrix arithmetic and H-matrix-based preconditioning is applied to the linear system that appeared in the shielding current analysis of the uncracked high-temperature superconducting film and its performance is investigated numerically. The computational results show that the proposed acceleration technique is extremely effective for improving the speed of the CG method.
Keywords
finite element method, Newton method, conjugate gradient method, preconditioning, H-matrix method, superconducting film
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