IMS variable values for the available complexity options |
IMS variable values for the available complexity options |
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Nonlinear Variable |
default/simple |
moderate |
complex |
OUTER_HCLOSE |
0.001 |
0.01 |
0.1 |
OUTER_RCLOSEBND |
0.1 |
0.1 |
0.1 |
OUTER_MAXIMUM |
25 |
50 |
100 |
UNDER_RELAXATION |
NONE |
DBD |
DBD |
UNDER_RELAXATION_THETA |
0.0 |
0.9 |
0.8 |
UNDER_RELAXATION_KAPPA |
0.0 |
0.0001 |
0.0001 |
UNDER_RELAXATION_GAMMA |
0.0 |
0.0 |
0.0 |
UNDER_RELAXATION_MOMENTUM |
0.0 |
0.0 |
0.0 |
BACKTRACKING_NUMBER |
0 |
0 |
20 |
BACKTRACKING_TOLERANCE |
0.0 |
0.0 |
1.05 |
BACKTRACKING_REDUCTION_FACTOR |
0.0 |
0.0 |
0 0.1 |
BACKTRACKING_RESIDUAL_LIMIT |
0.0 |
0.0 |
0.002 |
Linear Variable |
default/simple |
moderate |
complex |
INNER_MAXIMUM |
50 |
100 |
500 |
INNER_HCLOSE |
0.001 |
0.01 |
0.1 |
INNER_RCLOSE |
0.1 |
0.1 |
0.1 |
RCLOSE_OPTION |
infinity-norm |
infinity-norm |
infinity-norm |
LINEAR_ACCELERATION |
CG |
BICGSTAB |
BICGSTAB |
RELAXATION_FACTOR |
0.0 |
0.97 |
0.0 |
PRECONDITIONER_LEVELS |
0 |
0 |
5 |
PRECONDITIONER_DROP_TOLERANCE |
0.0 |
0.0 |
0.0001 |
NUMBER_ORTHOGONALIZATIONS |
0 |
0 |
2 |
SCALING_METHOD |
NONE |
NONE |
NONE |
REORDERING_METHOD |
NONE |
NONE |
NONE |