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SSOR gauge (the default) to perform an ordinary SSOR iteration followed by divergence cleaning.
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SOR gauge to perform an ordinary SOR iteration followed by divergence cleaning.
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SORU gauge to perform an ordinary SORU iteration followed by divergence cleaning.
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Relative tolerance to specify the termination tolerance. The default is 0.1.
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Maximum number of iterations that the solver is allowed to take. When this number of iterations has been performed without reaching the tolerance specified in the Relative tolerance field, the solver is automatically stopped with an error message.
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If used with a Coarse Solver, select a Termination technique. These are described for the SCGS attribute under Settings When Used With a Coarse Solver.
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If a Coarse Solver is not used, enter the Number of iterations to specify a fixed number of iterations to perform when this attribute is used as a preconditioner or smoother (default: 2). In addition to the initial divergence cleaning, the method performs a number of cleaning iterations in each linear solver iteration. Control the number of such divergence cleaning iterations in the Number of secondary iterations field.
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