| 1 | !============================================================================================
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| 2 | ! AstroBEAR global.data File
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| 3 | ! Global parameters, Contains GlobalData and LevelData and PoissonData namelists.
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| 4 | ! Configured for: Template
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| 5 | ! Default values for variables in [brackets]
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| 6 | !============================================================================================
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| 7 |
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| 8 | &GlobalData
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| 9 |
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| 10 | !=============================================================================================
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| 11 | ! Parameters Related to Space
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| 12 | !=============================================================================================
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| 13 | nDim = 3 ! number of dimensions for this problem (1-3)
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| 14 | GmX = 32,16,16 ! Base grid resolution [x,y,z]
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| 15 | MaxLevel = 1 ! Maximum level for this simulation (0 is fixed grid)
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| 16 | LastStaticLevel = -1 ! Use static AMR for levels through LastStaticLevel [-1]
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| 17 | GxBounds = -2d0,-2d0,-2d0,6d0,2d0,2d0 ! Problem boundaries in computational units,format:
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| 18 | ! (xlower, ylower, zlower, xupper, yupper, zupper)
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| 19 | ! For 2D problems, set zlower and zupper to 0.d0.
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| 20 |
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| 21 | Gmthbc = 1,1,1,1,1,1 ! Sets the physical boundary conditions at the edge of the problem domain
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| 22 | ! format: (x1, y1, z1, x2, y2, z2)
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| 23 | ! 1-Extrapolated,
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| 24 | ! 2-Periodic,
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| 25 | ! 3-ReflectingWall (Field lines do not penetrate)
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| 26 | ! 4-Reflect_BParallel (Field lines held normal
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| 27 | ! 5-Reflect_Cylindrical (Like reflect wall, but also changes sign of phi
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| 28 | ! components of velocity and magnetic fields)
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| 29 | ! [1,1,1,1,1,1]
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| 30 |
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| 31 | !=============================================================================================
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| 32 | ! Parameters Related to Time
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| 33 | !=============================================================================================
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| 34 | start_time = 0d0 ! The initial time in computational units [0d0]. Do NOT change this on restarts.
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| 35 | final_time = 1d0 ! The final time in computational units.
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| 36 | final_frame = 100 ! The final frame [10]
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| 37 | lRestart = F ! restart flag [F]
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| 38 | lPostProcess = F ! Post Process (preempts lrestart) [F]
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| 39 | restart_frame = 0 ! The frame from which restarts should begin. Ignored unless lRestart or lPostProcess = .true.
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| 40 | initial_maxspeed = 1000.d0 ! A lower bound on the initial maximum wave speed in computational units.
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| 41 | cfl_vars = 1, .3, .5 ! Maximum allowed CFL before restarting step, desired CFL to run at, relaxation parameter. Smaller numbers give more gradual relaxation [1, .3, .5]
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| 42 |
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| 43 |
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| 44 | !=============================================================================================
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| 45 | ! Parameters Related to Performance/Algorithms
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| 46 | !=============================================================================================
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| 47 | lSkipProfile = T ! Flag for skipping profiling [T] - should set this to false for good performance on production runs.
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| 48 | lUseOriginalNewSubGrids = F ! T for Old Subgrid Algo, F for New Subgrid Algo. [F]
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| 49 | MinimumGridPoints = 2 ! The minimum number of cells a grid can have along one dimension [2] (ignored unless lUseOriginalNewSubGrids=T).
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| 50 | iThreaded = 0 ! -1 is non-threaded, 0 is pseudo-threaded, 1 is threaded [0]. If you are using threaded you must compile with pThreadFlag=2
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| 51 | LevelBalance = 0d0,0d0 ! Try to balance load on every level? [0d0,0d0]
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| 52 |
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| 53 | /
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| 54 |
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| 55 | !============================================================================================
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| 56 | !Level-specific variables (All LevelData lists should be initialized from 0 to MaxLevel).
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| 57 | !============================================================================================
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| 58 |
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| 59 | &LevelData
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| 60 | qTolerance = .10,.10,.10,.10,.10,.10,.10,.10 ! field variable tolerances on each level
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| 61 | DesiredFillRatios = .70,.70,.70,.70,.70,.70,.70,.70 ! Determines how much of the new subgrids must be filled with refined cells (also ignored unless lUseOriginalNewSubGrids=T)
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| 62 | /
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| 63 |
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| 64 |
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| 65 | !============================================================================================
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| 66 | !Level-specific variables (All LevelData lists should be initialized from 0 to MaxLevel).
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| 67 | !============================================================================================
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| 68 |
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| 69 | &PoissonData
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| 70 | solver = 1 ! Which solver to use for linear system solve? StructPCG=1, StructGMRes=2 [1]
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| 71 | tolerance = 1e-6 ! Solver convergence tolerance [1e-6]
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| 72 | printlevel = 0 ! Sets print level for hypre solver. Increasing this will make solvers more verbose. [0]
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| 73 | MaxIters = 1000 ! Maximum number of iterations to attempt convergence. [1000]
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| 74 | hverbosity = 0 ! Anything > 0 will cause linear systems to be outputted as matrix, rhs, lhs files. [0]
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| 75 | mthbc = 2 2 2 2 2 2 ! What type of boundary conditions to use for gravitational potential
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| 76 | ! format: (x1, y1, z1, x2, y2, z2)
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| 77 | ! 0-Zero Slope,
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| 78 | ! 1-Reflecting,
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| 79 | ! 2-Periodic,
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| 80 | ! 3-Multipole Expansion,
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| 81 | ! 4-User Specified (User is reponsible for setting Phi at physical boundaries)
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| 82 | /
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