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mlb_tmc_trans_linsys_smooth.sif
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mlb_tmc_trans_linsys_smooth.sif
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!! Elmer Solver input file
!!
!! Vectorized Stokes solution for Midre Lovenbreen.
!! Including Semi-Lagrangian dating solver.
!!
!! All units are in m-MPa-year
!! Temperatures are in Kelvin
!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! switch that on for debugging only
! ---------------------------------
! check keywords warn
! echo on
!!!!!!!!!!!!!!!!!!!!!!!!!
! DEFINITIONS used in ru
!!!!!!!!!!!!!!!!!!!!!!!!!!
$name="S_1995_DEMs_tmc_trans_vec_smooth"
#MINH=20.0
#directmethod="mumps"
!---LUA BEGIN
! assert(loadfile('./icematerial.lua'))()
! assert(loadfile('./accumulation.lua'))()
!---LUA END
!echo on
! Note that the Mesh2MeshSolver requires solver specific
! mesh and hence this must be different than primary mesh,
! even symlink is ok.
! Temperature of the simulation in Celsius
! with the formula for A works only if T > -10
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! HEADER
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Partitioned mesh
Header
Mesh DB "." "outline62_lc75"
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! CONSTANTS
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Constants
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! SIMULATION
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Simulation
Coordinate System = "Cartesian 3D"
Simulation Type = "Transient"
Timestepping Method = "bdf"
BDF Order = 1
Output Intervals(1) = 1 !#OutPutIntervals
Timestep Intervals(1) = 50 !#Intervals
Timestep Sizes(1) = $1.0/365.25
! Internal extrusion parameters, may be altered.
Extruded Mesh Levels = Integer 9
Extruded Max Coordinate = Real #MINH
! Coupled iterations between different solvers
!---------------------------------------------
Steady State Max Iterations = 10
Steady State Min Iterations = 1
! usually, Dirichlet BC's are initialized before everything else. Sometimes those
! conditions are dependent on solutions of earlier solvers; next line ensures that
! this is not an issue.
!-----------------------------------------
Initialize Dirichlet Conditions = Logical False
! Output files
! ------------
Post File = $name$.vtu
!vtu: Save Bulk Only = Logical True
!Scalars File = $name$.dat
!scalars: Parallel Reduce = Logical True
Output File = $name$.result
! Restart
Restart File = "s_1995_dems_tmc_vec.result"
Restart Position = 0
Restart Before Initial Conditions = Logical True
Interpolation Passive Coordinate = Integer 3
Restart Variable 1 = String "bedrockDEM"
Restart Variable 2 = String "surfaceDEM1995"
Restart Variable 3 = String "Velocity 1"
Restart Variable 4 = String "Velocity 2"
Restart Variable 5 = String "Velocity 3"
Restart Variable 6 = String "Pressure"
Restart Variable 7 = String "Temp"
Restart Variable 8 = String "Temp Homologous"
! how verbose the solver should be
! 3 = Only warnings
! 32 = Maximum verbosity
!-------------------------------------------------------
Max Output Level = 5
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! SOLVER
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Maps the constant-thickness mesh between given bedrock and surface topology
Solver 1
Exec Solver = "before Timestep"
Equation = "MapCoordinate"
Procedure = "StructuredMeshMapper" "StructuredMeshMapper"
Active Coordinate = Integer 3
Displacement Mode = Logical False
Correct Surface = Logical True
Minimum Height = Real #MINH
Correct Surface Mask = String "Glaciated"
Dot Product Tolerance = 1.0e-3
! These are needed to host the variables that are read in
Variable = -nooutput "DummyMesh"
!Mesh Velocity Variable = String "mv"
Mesh Velocity Variable = String "Mesh Velocity 3"
Mesh Velocity First Zero = True
Mesh Update Variable = String "dz"
!Mesh Update Variable = String "Mesh Update 3"
Exported Variable 1 = "bedrockDEM"
!Exported Variable 1 Mask = String "BedRock"
Exported Variable 2 = "surfaceDEM1995"
!Exported Variable 2 Mask = String "Surface"
!Exported Variable 3 = -dofs 1 "dz"
End
Solver 2
Equation = "Mesh smoother"
Exec Solver = "Before Timestep"
!Exec Solver = "Never"
Procedure = File "MeshSolve" "MeshSolver"
Variable = -dofs 3 "Mesh Update"
! Linear System Solver = Iterative
! Linear System Iterative Method = BiCGStab
Linear System Solver = Direct
Linear System Direct Method = MUMPS
Linear System Preconditioning = ILU1
Linear System Max Iterations = 1000
Linear System Residual Output = 20
Linear System Convergence Tolerance = 1.0e-8
Steady State Convergence Tolerance = 1.0e-4
End
! Computes height and depth assuming an extruded mesh.
Solver 3
Exec Solver = "before Timestep"
Equation = "HeightDepth"
Procedure = "StructuredProjectToPlane" "StructuredProjectToPlane"
Active Coordinate = Integer 3
Operator 1 = depth
Operator 2 = height
End
! vectorized & threaded version of the Navier-Stokes solver.
Solver 4
! Exec Solver = "Never"
Equation = "Stokes-Vec"
Procedure = "IncompressibleNSVec" "IncompressibleNSSolver"
Div-Curl Discretization = Logical False
Optimize Bandwidth = Logical True
Stokes Flow = Logical True
Stabilize = true
Flow Model = Stokes
!Non-linear iteration settings:
!------------------------------
Nonlinear System Max Iterations = 10
Nonlinear System Convergence Tolerance = 1.0e-3
Nonlinear System Newton After Iterations = 10
Nonlinear System Newton After Tolerance = 1.0e-1
! Nonlinear System Relaxation Factor = 1.00
! Nonlinear System Reset Newton = Logical True
Linear System Residual Output = 10
include linsys.sif
! Convergence on timelevel (not required here)
!---------------------------------------------
Steady State Convergence Tolerance = Real 1.0e-3
!Relative Integration Order = -1
Number of Integration Points = Integer 44 ! 21, 28, 44, 64, ...
! 1st iteration viscosity is constant
! Constant-Viscosity Start = Logical False
! Some timing info
!Boundary Assembly Timing = Logical True
!Bulk Assembly Timing = Logical True
!Solver Timing = Logical True
!Linear System Timing = Logical True
End
!-----------------------------------------------------
! heat transfer limited by the pressure melting point
! as upper limit
!-----------------------------------------------------
Solver 5
!Exec Solver = "Never"
Equation = String "Homologous Temperature Equation"
Procedure = File "ElmerIceSolvers" "TemperateIceSolver"
! Comment next line in parallel, as EliminateDirichlet does
! not work in parallel
!------------------------------------------------------------
! Before Linsolve = "EliminateDirichlet" "EliminateDirichlet"
Variable = String "Temp"
Stabilize = True
Optimize Bandwidth = Logical True
!Linear System Solver = "Direct"
!Linear System Direct Method = #directmethod
Linear System Solver = "Iterative"
Linear System Iterative Method = "GCR"
Linear System Max Iterations = 500
Linear System Convergence Tolerance = 1.0E-07
Linear System Abort Not Converged = False
Linear System Preconditioning = "ILU1"
Linear System Residual Output = 250
Nonlinear System Convergence Tolerance = 1.0E-06
Nonlinear System Max Iterations = 50
!Nonlinear System Relaxation Factor = Real 9.999E-01
Steady State Convergence Tolerance = 1.0E-03
! the contact algorithm (aka Dirichlet algorithm)
!-----------------------------------------------------
!Apply Dirichlet = Logical True
! those two variables are needed in order to store
! the relative or homologous temperature as well
! as the residual
!-------------------------------------------------
Exported Variable 1 = String "Temp Homologous"
Exported Variable 1 DOFs = 1
Exported Variable 2 = String "Temp Residual"
Exported Variable 2 DOFs = 1
Exported Variable 3 = -dofs 1 "dz"
!Exported Variable 4 = -dofs 1 "mv"
!Exported Variable 4 = -dofs 3 "Mesh Velocity"
!Exported Variable 4 = -dofs 3 "Mesh Update"
Apply Dirichlet = True
End
Solver 6
Exec Solver = "after timestep"
!Exec Solver = "Never"
Equation = "Free Surface"
Variable = String "Zs"
Variable DOFs = 1
! needed for evaluating the contact pressure
Exported Variable 1 = -dofs 1 "Zs Residual"
! needed for storing the initial shape (needed for updates)
Exported Variable 2 = -dofs 1 "Ref Zs"
Procedure = "FreeSurfaceSolver" "FreeSurfaceSolver"
! This would take the contrained points out of solution
! Use in serial run, only
! Before Linsolve = "EliminateDirichlet" "EliminateDirichlet"
Linear System Solver = Iterative
Linear System Max Iterations = 1500
Linear System Iterative Method = BiCGStab
Linear System Preconditioning = ILU1
Linear System Convergence Tolerance = Real 1.0e-8
!Linear System Abort Not Converged = False
Linear System Residual Output = 1
Nonlinear System Min Iterations = 2
Nonlinear System Max Iterations = 100
Nonlinear System Convergence Tolerance = 1.0e-7
!Nonlinear System Relaxation Factor = 0.60
Steady State Convergence Tolerance = 1.0e-03
Stabilization Method = Stabilized
!Stabilization Method = Bubbles
! Apply contact problem
Apply Dirichlet = Logical True
! How much the free surface is relaxed
! Relaxation Factor = Real 0.90
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! BODIES (i.e., domains to compute on)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Body 1
Name = "glacier"
Equation = 1
Material = 1
Body Force = 1
Initial Condition = 1
End
Body 2
Name = "surface"
Equation = 2
Material = 2
Body Force = 2
Initial Condition = 2
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! EQUATION
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Equation 1
Active Solvers(5) = 1 2 3 4 5
Convection = Computed
Flow Solution Name = String "Flow Solution"
End
Equation 2
Active Solvers(1) = 6
Convection = Computed
Flow Solution Name = String "Flow Solution"
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! INITIAL CONDITIONS
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Initial Condition 1
! Initial velocity is not really needed when using newtonian start
Mesh Velocity 1 = Real 0.0
Mesh Velocity 2 = Real 0.0
Mesh Velocity 3 = Real 0.0
! Temp = Variable Coordinate 3 ! lapserate of -10/1000 C/m
! Real
! 0.0 272.14
! 100.0 272.15
! 1000.0 263.15
! End
End
Initial Condition 2
!Zs = Equals surfaceDEM1995
Zs = Variable surfaceDEM1995,bedrockDEM
Real lua "initzs(tx[0],tx[1])"
Ref Zs = Variable surfaceDEM1995,bedrockDEM
Real lua "initzs(tx[0],tx[1])"
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! BODY FORCE
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Body Force 1
Flow BodyForce 1 = 0.0
Flow BodyForce 2 = 0.0
Flow BodyForce 3 = #gravity
Velocity 1 = 0.0
Velocity 1 Condition = Opposes glaciated
Velocity 2 = 0.0
Velocity 2 Condition = Opposes glaciated
Velocity 3 = 0.0
Velocity 3 Condition = Opposes glaciated
!Flow Solution Passive = Opposes glaciated
!Temp Passive = Opposes glaciated
!Temp = Variable Coordinate 3 ! lapserate of -10/1000 C/m
! Real
! 0.0 272.15
! 100.0 272.14
! 1000.0 263.15
! End
! Temp Condition = Opposes glaciated
Temp = Real 273.15
Temp Condition =Variable Coordinate 3
Real
0.0 -1.0
399.9999 -1.0
400. 1.0
1000.0 1.0
End
Mesh Update 1 = Real 0.0
Mesh Update 2 = Real 0.0
End
Body Force 2
! Zs Accumulation = Real 0.0
Zs Accumulation = Variable Coordinate 3, glaciated
Real lua "accum(tx[0],tx[1])"
End
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! MATERIAL
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Material 1
Name = "Ice"
Density = Real #rhoi*(yearinsec^(-2.0))*Pa2MPa
! First viscosity with newtonian fluid
! happens to give velocities of proper size
Viscosity = Real 1.0
! Nonnewtonian viscosity
Viscosity Model = String Glen
Glen Exponent = Real 3.0
Critical Shear Rate = Real 1.0E-10
! Paterson value in MPa^-3a^-1
Limit Temperature = Real -10.0
! those are already transferred to Mpa-m-a system
Rate Factor 1 = Real #A1
Rate Factor 2 = Real #A2
Activation Energy 1 = Real #Q1
Activation Energy 2 = Real #Q2
!------------------------------------
Glen Enhancement Factor = Real 1.0
Relative Temperature = Equals Temp Homologous
!Variable Temp
! Real lua "reltemp(tx[0])"
! heat transfer
! Heat transfer stuff
Temp Heat Capacity = Real #2100.0*yearinsec^(2.0)
Temp Heat Conductivity = Real #2.2*yearinsec*Pa2MPa
!Temp Heat Capacity = Variable Temp
! Real lua "capacity(tx[0])*yearinsec^(3.0)"
! Real lua "capacity(tx[0])*yearinsec^(2.0)"
!Temp Heat Conductivity = Variable Temp
! Real lua "conductivity(tx[0])*yearinsec*Pa2MPa"
Temp Upper Limit = Real 273.15 ! we ignore pressure melting point
!Temp Lower Limit = Real 263.15
End
Material 2
Name = "SMB"
Min Zs = Variable "bedrockDEM"
Real lua "tx[0] + MINH"
End
Boundary Condition 1
ComputeNormal = Logical False
Name = "sides1"
Target Boundaries(1) = 1
! no slip
!-------------------------
Velocity 1 = 0
Velocity 2 = 0
Velocity 3 = 0
Zs = Equals "Ref Zs"
Mesh Update 1 = Real 0.0
Mesh Update 2 = Real 0.0
End
Boundary Condition 2
ComputeNormal = Logical False
Name = "sides2"
Target Boundaries(1) = 2
!-------------------------
Velocity 1 = 0
Velocity 2 = 0
Velocity 3 = 0
Zs = Equals "Ref Zs"
Mesh Update 1 = Real 0.0
Mesh Update 2 = Real 0.0
End
!! DON'T CHANGE ORDER OF NEXT 2 BC's!
!! They are automaticaly created in internal extrusion
!! bedrock:
Boundary Condition 3
ComputeNormal = Logical True
Name = "bedrock"
! No-slip velocity conditions
Velocity 1 = Real 0.0
Velocity 2 = Real 0.0
Velocity 3 = Real 0.0
Bottom Surface = Equals "bedrockDEM"
! Mask for creating the restart fields only where needed
! Refererred by: Exported Variable 1 Mask = ...
!Bedrock = Logical True
Temp Flux BC = Logical True
Temp Heat Flux = Real #0.050 * yearinsec * Pa2MPa ! 200 -> 1000 mW m^-2
!Velocity 1 = 0.0
!Velocity 1 Condition = Variable depth, height
! Real lua "(tx[0] + tx[1]) < 1.01*MINH"
!Velocity 2 = 0.0
!Velocity 2 Condition = Variable depth, height
! Real lua "(tx[0] + tx[1]) < 1.01*MINH"
!Velocity 3 = 0.0
!Velocity 3 Condition = Variable depth, height
! Real lua "(tx[0] + tx[1]) < 1.01*MINH"
Mesh Update 1 = Real 0.0
Mesh Update 2 = Real 0.0
Mesh Update 3 = Real 0.0
End
Boundary Condition 4
ComputeNormal = Logical False
Name = "surface"
Body ID = 2
Top Surface = Equals "zs"
Mesh Update 3 = Variable zs, Ref Zs
Real LUA "tx[0] - tx[1]"
Mesh Update 1 = Real 0.0
Mesh Update 2 = Real 0.0
! Top Surface = Equals surfaceDEM1995 !if you want to test constant geometry
! Referred by: Exported Variable 2 Mask = ...
Surface = Logical True
Temp = Variable Coordinate 3 ! lapserate of -10/1000 C/m
Real
0.0 272.15
100.0 272.14
1000.0 263.15
End
End