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Iterative solver preconditioner method:
- ITERATIVE - Selects the iterative solver. This method uses less memory and may be faster for solid models. If a modal solution is being performed and field 6 on the
EIGRL entry is blank, the iterative solver will be used during Lanczos extraction.
- DIRECT - Selects the direct sparse solver. This method may be faster if the model contains large numbers of
RBEi elements or
MPC equations and/or has elements that are irregularly shaped. If a modal solution is being performed and field 6 on the EIGRL entry is blank, the direct solver will be used during Lanczos extraction.
- PRIMAL - Selects the primal solver. This solver is similar to the ITERATIVE solver but may require less iterations for models that contain elements with high initial distortion.
- AUTO - Selects the fastest method based on available memory and element type.
This parameter is only applicable to the PCGLSS iterative solver.
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