petsc-3.5.4 2015-05-23
KSPLCD
Implements the LCD (left conjugate direction) method in PETSc.
Options Database Keys
| -ksp_lcd_restart | - number of vectors conjudate
|
| -ksp_lcd_haptol | - tolerance for exact convergence (happing ending)
|
Notes: Support only for left preconditioning
References
- J.Y. Yuan, G.H.Golub, R.J. Plemmons, and W.A.G. Cecilio. Semiconjugate
direction methods for real positive definite system. BIT Numerical
Mathematics, 44(1):189-207,2004.
- Y. Dai and J.Y. Yuan. Study on semi-conjugate direction methods for
non-symmetric systems. International Journal for Numerical Methods in
Engineering, 60:1383-1399,2004.
- L. Catabriga, A.L.G.A. Coutinho, and L.P.Franca. Evaluating the LCD
algorithm for solving linear systems of equations arising from implicit
SUPG formulation of compressible flows. International Journal for
Numerical Methods in Engineering, 60:1513-1534,2004
- L. Catabriga, A. M. P. Valli, B. Z. Melotti, L. M. Pessoa,
A. L. G. A. Coutinho, Performance of LCD iterative method in the finite
element and finite difference solution of convection-diffusion
equations, Communications in Numerical Methods in Engineering, (Early
View).
Contributed by: Lucia Catabriga <[email protected]>
See Also
KSPCreate(), KSPSetType(), KSPType (for list of available types), KSP,
KSPCGSetType(), KSPLCDSetRestart(), KSPLCDSetHapTol()
Level:beginner
Location:src/ksp/ksp/impls/lcd/lcd.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages