solver.defaults.json

R"====({
  "approxSpace":null,
  "discretization":null,
  
  "nonlinearSolver":{
    "newton":{
      "convCheck":"standard",
      "linSolver":"bicgstab",
      "lineSearch":null
    }
  },
  "linearSolver":{
    "linear":{
      "precond":"ilu",
      "convCheck":"standard"
    },
    "cg":{
      "precond":"ilu",
      "convCheck":"standard"
    },
    "bicgstab":{
      "precond":"ilu",
      "convCheck":"standard"
    },
    "lu":{
      "info":false,
      "showProgress":true
    },
    "uglu":{
      "info":false,
      "showProgress":true
    }
  },
  "preconditioner":{
  	"gmg":{
  	  "adaptive":false,
  	  "approxSpace":null,
      "baseLevel":0,
      "baseSolver":"lu",
      "cycle":"V",
      "discretization":null,
      "gatheredBaseSolverIfAmbiguous":false,
      "preSmooth":3,
      "postSmooth":3,
      "rap":false,
      "rim":false,
      "emulateFullRefined":false,
      "smoother":"gs",
      "transfer":"std",
      "debug":false,
      "mgStats":null
    },
    "ilu":{
      "beta":0,
      "damping":1,
      "sort":false,
      "sortEps":1e-50,
      "inversionEps":1e-08,
      "consistentInterfaces":false,
      "overlap":false,
      "ordering":null
    },
    "ilut":{
      "threshold":1e-06,
      "ordering":"NativeCuthillMcKee"
    },
    "gs":{
      "consistentInterfaces":false,
      "overlap":false
    },
    "sgs":{
      "consistentInterfaces":false,
      "overlap":false
    },
   "jac":{
      "damping":0.66
    },
   "schur":{
      "dirichletSolver":"lu",
      "skeletonSolver":"lu"
    }
  },
  "transfer":{
    "std":{
      "restrictionDamp":1,
      "prolongationDamp":1,
      "enableP1LagrangeOptimization":true,
      "debug":false
    }
  },
  "convCheck":{
    "standard":{
      "iterations":100,
      "absolute":1e-12,
      "reduction":1e-06,
      "verbose":true
    }
  },
    "lineSearch":{
    "standard":{
      "maxSteps":10,
      "lambdaStart":1,
      "lambdaReduce":0.5,
      "checkAll":false,
      "acceptBest":true
    }
  },
  "mgStats":{
    "standard":{
      "filenamePrefix":"mgstats",
      "exitOnError":false,
      "writeErrVecs":false,
      "writeErrDiffs":false,
      "activeStages":null
    }
  },
  "timeSolver":{
    "fixed":{
      "scheme":"ImplEuler",
      "start":0,
      "stop":1,
      "dt":0.1
    }
  }
})===="