Header CHECK KEYWORDS Warn Mesh DB "." "." Include Path "/home/shubham/Desktop/AC_iterative" Results Directory "" $p0 = 1.0e-6 End Simulation Max Output Level = 5 Coordinate System = Cartesian Coordinate Mapping(3) = 1 2 3 Simulation Type = Transient Steady State Max Iterations = 10 Output Intervals = 1 Timestepping Method = BDF BDF Order = 1 Timestep intervals = 10 Timestep Sizes = 0.1 Solver Input File = case.sif Post File = ac.vtu End Constants Gravity(4) = 0 -1 0 9.82 Stefan Boltzmann = 5.67e-08 Permittivity of Vacuum = 8.8542e-12 Boltzmann Constant = 1.3807e-23 Unit Charge = 1.602e-19 End Body 1 Target Bodies(1) = 1 Name = "Body Property 1" Equation = 2 Material = 1 End Body 2 Target Bodies(1) = 2 Name = "Body Property 2" Equation = 1 Material = 2 End Solver 1 Equation = Navier-Stokes Variable = Flow Solution[Velocity:2 Pressure:1] Procedure = "FlowSolve" "FlowSolver" Exec Solver = Always Stabilize = True Bubbles = False Lumped Mass Matrix = False Optimize Bandwidth = True Steady State Convergence Tolerance = 1.0e-5 Nonlinear System Convergence Tolerance = 1.0e-7 Nonlinear System Max Iterations = 1 Nonlinear System Newton After Iterations = 3 Nonlinear System Newton After Tolerance = 1.0e-3 Nonlinear System Relaxation Factor = 0.5 Linear System Solver = Iterative Linear System Iterative Method = BiCGStab Linear System Max Iterations = 500 Linear System Convergence Tolerance = 1.0e-10 BiCGstabl polynomial degree = 2 Linear System Preconditioning = Diagonal Linear System ILUT Tolerance = 1.0e-3 Linear System Abort Not Converged = False Linear System Residual Output = 1 Linear System Precondition Recompute = 1 End Solver 3 Equation = Mesh Update Procedure = "MeshSolve" "MeshSolver" Variable = -dofs 2 Mesh Update Exec Solver = Always Stabilize = True Bubbles = False Lumped Mass Matrix = False Optimize Bandwidth = True Steady State Convergence Tolerance = 1.0e-5 Nonlinear System Convergence Tolerance = 1.0e-7 Nonlinear System Max Iterations = 20 Nonlinear System Newton After Iterations = 3 Nonlinear System Newton After Tolerance = 1.0e-3 Nonlinear System Relaxation Factor = 1 Linear System Solver = Iterative Linear System Iterative Method = BiCGStab Linear System Max Iterations = 500 Linear System Convergence Tolerance = 1.0e-10 BiCGstabl polynomial degree = 2 Linear System Preconditioning = Diagonal Linear System ILUT Tolerance = 1.0e-3 Linear System Abort Not Converged = False Linear System Residual Output = 1 Linear System Precondition Recompute = 1 End Solver 2 Equation = Nonlinear elasticity Procedure = "ElasticSolve" "ElasticSolver" Variable = -dofs 2 Displacement Exec Solver = Always Stabilize = True Bubbles = False Lumped Mass Matrix = False Optimize Bandwidth = True Steady State Convergence Tolerance = 1.0e-5 Nonlinear System Convergence Tolerance = 1.0e-7 Nonlinear System Max Iterations = 1 Nonlinear System Newton After Iterations = 3 Nonlinear System Newton After Tolerance = 1.0e-3 Nonlinear System Relaxation Factor = 0.5 Linear System Solver = Iterative Linear System Iterative Method = BiCGStab Linear System Max Iterations = 500 Linear System Convergence Tolerance = 1.0e-10 BiCGstabl polynomial degree = 2 Linear System Preconditioning = Diagonal Linear System ILUT Tolerance = 1.0e-3 Linear System Abort Not Converged = False Linear System Residual Output = 1 Linear System Precondition Recompute = 1 End Equation 1 Name = "flow" Active Solvers(2) = 1 3 End Equation 2 Name = "elasticity" Plane Stress = True Active Solvers(1) = 2 End Material 1 Name = "solid" Youngs modulus = 1.0e4 Poisson ratio = 0.3 Porosity Model = Always saturated Density = 1160 End Material 2 Name = "fluid" Viscosity = 4.0e-3 Mesh Elastic Modulus = 1 Porosity Model = Always saturated Mesh Poisson ratio = 0.3 Compressibility Model = Artificial Compressible Density = 1060 Artificial Compressibility = "Equals ac" End Boundary Condition 1 Target Boundaries(1) = 7 Name = "Inflow" Velocity 1 = Variable Time;REAL MATC "0.25*sin(8.72*tx)" Mesh Update 1 = 0.0 Velocity 2 = Real 0.0 End Boundary Condition 2 Target Boundaries(1) = 1 Name = "outflow" Mesh Update 1 = 0.0 Velocity 2 = 0.0 End Boundary Condition 3 Target Boundaries(1) = 2 Name = "Walls" Mesh Update 1 = 0.0 Mesh Update 2 = 0.0 Noslip wall BC = True End Boundary Condition 4 Target Boundaries(1) = 4 Name = "Base" Displacement 2 = 0.0 Displacement 1 = 0.0 End Boundary Condition 5 Target Boundaries(1) = 3 Name = "FSI" Fsi BC = True Mesh Update 1 = Equals Displacement 1 Mesh Update 2 = Equals Displacement 2 Noslip wall BC = True End