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- Title
Extend two-step preconditioning technique for the Crank–Nicolson finite-difference time-domain method to analyze the 3D microwave circuits.
- Authors
Yang, Y.; Fan, Z. H.; Ding, D. Z.; Liu, S. B.
- Abstract
The increase of the time-step size significantly deteriorates the property of the coefficient matrix generated from the Crank–Nicolson finite-difference time-domain method. As a result, the convergence of classical iterative methods, such as generalized minimal residual method (GMRES) would be substantially slowed down. The main purpose of this article is to show that the two-step preconditioner can greatly accelerate the convergence of the iterative method, such as GMRES. Numerical simulations show that this two-step preconditioned GMRES iterative method has a faster convergence speed than those methods when the preconditioner is used alone. © 2009 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2009.
- Subjects
FINITE differences; ALGORITHMS; TIME-domain analysis; ELECTROMAGNETISM; EQUATIONS
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2009, Vol 19, Issue 4, p460
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.20369