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SOLVER CONTROLS
18.25
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SOLVER CONTROLS: Specify controls for the iterative linear solver.
This option is use d to set the control parameters for the iterative linear equation sol ver.
Product: ABAQUS/Standard
Type: History data
Level: Step
Reference:
•
“Iterative linear equation solver,” Section 6.1.5 of the ABAQUS Analysis User’s Manual
Optional parameter:
RESET
Include this parameter to reset all of the solver controls to their default values. The option should
have no data lines when this param eter is used.
If thi s parameter is omitted, only the specified controls will be changed in the current step; the
other controls will remain at their settings from previous steps.
Data line to define control parameters:
First (and only) line:
1. Relative tolerance for convergence. The default is 10
−6
.
2. Maximum number of linear solver iterations. The default is 300.
3. Number of domains. By default, ABAQUS/Standard will determine the number of domains
automatically based on the number of equations in the mode l. The number of domains must
always be greater than or equal to the number of CPUs.
18.25–1
ABAQUS Version 6.1 Module:
ID:
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