Check Keywords "Warn" Header Mesh DB "." "square" End Simulation Max Output Level = 5 Coordinate System = "Cartesian 2D" Simulation Type = Steady Output Intervals(1) = 1 Steady State Max Iterations = 1 ! Post File = "rt.ep" End Body 1 Equation = 1 Material = 1 Body Force = 1 End Body Force 1 Source Field = Variable Time Real Procedure "Source" "SourceFun" End Material 1 Material Parameter = Real 1.0 End Equation 1 Active Solvers(2) = 1 2 End Solver 1 Equation = "Mixed Poisson" Variable = "MixedSol" Variable DOFs = 1 Procedure = "ModelMixedPoisson" "MixedPoisson" !------------------------------------------------------- ! Here the bubble dof is used for constructing ! the piecewise constant approximation of the ! variable of the Poisson equation in the standard form. !------------------------------------------------------- Second Kind Basis = Logical True Optimize Bandwidth = False Bubbles in Global System = Logical True Linear System Solver = Iterative Linear System Iterative Method = GCR Linear System Preconditioning = ILU0 Linear System Row Equilibration = Logical True Linear System Max Iterations = 200 Linear System Convergence Tolerance = 1e-6 End Solver 2 Equation = "Compute Error" Procedure = "ComputeError" "IntegrateError" Target Equation = String "Mixed Poisson" End !--------------------------------------------------------------- ! Note: Do-nothing BC corresponds to the standard homogeneous ! Dirichlet constraint. !-------------------------------------------------------------- Solver 1 :: Reference Norm = Real 2.65649704E-01 Solver 1 :: Reference Norm Tolerance = Real 1.0E-5