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: 1DJet
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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 = 2 ! number of dimensions for this problem (1-3)
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14 | GmX = 42,420,1 ! Base grid resolution [x,y,z]
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15 | MaxLevel = 7 ! Maximum level for this simulation (0 is fixed grid)
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16 |
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17 | GxBounds = 0d0,0d0,0d0,6d0,60d0,0d0 ! 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 = 5,4,1,1,1,1 ! 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 = .2866183232d0 ! The final time in computational units.
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36 | final_frame = 10 ! 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 = 47 ! 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 = .8, .4, .1 ! 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 = -1 ! -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,.25,.40,1d30,1d30,1d30,1d30,1d30 ! 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 | buffers = 4, 4, 4, 4, 4, 4, 4, 4 ! ErrFlag buffering
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63 | /
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64 |
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65 |
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66 | !============================================================================================
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67 | !Level-specific variables (All LevelData lists should be initialized from 0 to MaxLevel).
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68 | !============================================================================================
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69 |
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70 | &PoissonData
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71 | solver = 1 ! Which solver to use for linear system solve? StructPCG=1, StructGMRes=2 [1]
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72 | tolerance = 1e-6 ! Solver convergence tolerance [1e-6]
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73 | printlevel = 0 ! Sets print level for hypre solver. Increasing this will make solvers more verbose. [0]
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74 | MaxIters = 1000 ! Maximum number of iterations to attempt convergence. [1000]
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75 | hverbosity = 0 ! Anything > 0 will cause linear systems to be outputted as matrix, rhs, lhs files. [0]
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76 | mthbc = 2 2 2 2 2 2 ! What type of boundary conditions to use for gravitational potential
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77 | ! format: (x1, y1, z1, x2, y2, z2)
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78 | ! 0-Zero Slope,
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79 | ! 1-Reflecting,
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80 | ! 2-Periodic,
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81 | ! 3-Multipole Expansion,
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82 | ! 4-User Specified (User is reponsible for setting Phi at physical boundaries)
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83 | /
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