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foam-extend4.1-coherent-io/applications/solvers/incompressible/RichardsFoam/readPicardControls.H

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// Reading of the controling parameters of the Picard loop and of the
// Stabilisation cycles loop for the adaptive time step procedure.
// Localisation of the data within the considered case: system/fvSolution
const dictionary& picardDict = mesh.solutionDict().subDict("Picard");
// Maximum number of Picard iterations.
const int nIterPicard =
picardDict.lookupOrDefault<int>("nIterPicard", 1);
// Maximum number of stabilisation cycles.
const int nMaxCycle =
picardDict.lookupOrDefault<int>("nMaxCycle", 1);
// Number of time iterations with low number of Picard iteration beyond which
// the time step is increased.
const int stabilisationThreshold =
picardDict.lookupOrDefault<int>("stabilisationThreshold", 1);
// Exit criterion for the Picard loop.
const double precPicard =
picardDict.lookupOrDefault<double>("precPicard", 1.);
// Factor of increase/decrease of the time step.
const double tFact =
picardDict.lookupOrDefault<double>("tFact", 1.);