Title :
An accelerated Newton-Raphson method associated with the ICCG algorithm
Author :
Henneberger, G. ; Sabonnadi, J.C. ; Sattler, Ph K. ; Shen, D.
Author_Institution :
Inst. fur Elektrische Maschinen, RWTH Aachen, West Germany
fDate :
3/1/1990 12:00:00 AM
Abstract :
An accelerated Newton-Raphson (NR) method associated with the ICCG (incomplete Cholesky conjugate gradient) algorithm is proposed, which can reduce the global computational time to 50-60% of the standard method. Numerical examples are tested, and precision and convergence are analyzed. The method is suitable for implementation in finite-element software which uses the NR for the nonlinear solution and the ICCG for the linear system
Keywords :
convergence of numerical methods; electrical engineering computing; electromagnetic field theory; finite element analysis; ICCG algorithm; NR iteration; accelerated Newton-Raphson method; convergence; finite-element software; global computational time; incomplete Cholesky conjugate gradient; linear system; nonlinear solution; numerical method; saturated magnetic materials; Acceleration; Character generation; Convergence of numerical methods; Distributed computing; Finite element methods; Jacobian matrices; Linear systems; Magnetic analysis; Newton method; Testing;
Journal_Title :
Magnetics, IEEE Transactions on
