4.2.15.10. FAST.Farm Primary Input File

When a default value is available, DEFAULT may be used instead of the value.

Check the regression test cases for updates to this input file.

  1FAST.Farm v1.00.* INPUT FILE
  2Sample FAST.Farm input file
  3--- SIMULATION CONTROL ---
  4False      Echo          Echo input data to <RootName>.ech? (flag)
  5FATAL      AbortLevel    Error level when simulation should abort (string) {"WARNING", "SEVERE", "FATAL"}
  62000.0     TMax          Total run time (s) [>=0.0]
  7False      UseSC         Use a super controller? (flag)
  81          Mod_AmbWind   Ambient wind model (-) (switch) {1: high-fidelity precursor in VTK format, 2: one InflowWind module, 3: multiple instances of InflowWind module}
  92                  Mod_WaveField      Wave field handling (-) (switch) {1: use individual HydroDyn inputs without adjustment, 2: adjust wave phases based on turbine offsets from farm origin}
 100                  Mod_SharedMooring  Shared mooring system model (switch) {0: None, 3=MoorDyn}}
 11--- SUPER CONTROLLER --- [used only for UseSC=True]
 12"SC_DLL.dll" SC_FileName Name/location of the dynamic library {.dll [Windows] or .so [Linux]} containing the Super Controller algorithms (quoted string)
 13--- SHARED MOORING SYSTEM --- [used only for Mod_SharedMoor>0]
 14""                 SharedMoorFile     Name of file containing shared mooring system input parameters (quoted string) [used only when Mod_SharedMooring > 0]
 150.04	           DT_Mooring         Time step for farm-level mooring coupling with each turbine (s) [used only when Mod_SharedMooring > 0]
 16--- AMBIENT WIND: PRECURSOR IN VTK FORMAT --- [used only for Mod_AmbWind=1]
 172.0        DT_Low-VTK    Time step for low-resolution wind data input files; will be used as the global FAST.Farm time step (s) [>0.0]
 180.5        DT_High-VTK   Time step for high-resolution wind data input files (s) [>0.0] "/AmbWind/steady" WindFilePath Path name to wind data files from precursor (string)
 19False      ChkWndFiles   Check all the ambient wind files for data consistency (flag)
 20--- AMBIENT WIND: INFLOWWIND MODULE --- [used only for Mod_AmbWind=2 or 3]
 212.0        DT_Low        Time step for low-resolution wind data interpolation; will be used as the global FAST.Farm time step (s) [>0.0]
 220.5        DT_High       Time step for high-resolution wind data interpolation (s) [>0.0]
 23300        NX_Low        Number of low-resolution spatial nodes in X direction for wind data interpolation (-) [>=2]
 24300        NY_Low        Number of low-resolution spatial nodes in Y direction for wind data interpolation (-) [>=2]
 2535         NZ_Low        Number of low-resolution spatial nodes in Z direction for wind data interpolation (-) [>=2]
 265.0        X0_Low        Origin of low-resolution spatial nodes in X direction for wind data interpolation (m)
 275.0        Y0_Low        Origin of low-resolution spatial nodes in Y direction for wind data interpolation (m)
 285.0        Z0_Low        Origin of low-resolution spatial nodes in Z direction for wind data interpolation (m)
 2910.0       dX_Low        Spacing of low-resolution spatial nodes in X direction for wind data interpolation (m) [>0.0]
 3010.0       dY_Low        Spacing of low-resolution spatial nodes in Y direction for wind data interpolation (m) [>0.0]
 3110.0       dZ_Low        Spacing of low-resolution spatial nodes in Z direction for wind data interpolation (m) [>0.0]
 3216         NX_High       Number of high-resolution spatial nodes in X direction for wind data interpolation (-) [>=2]
 3316         NY_High       Number of high-resolution spatial nodes in Y direction for wind data interpolation (-) [>=2]
 3417         NZ_High       Number of high-resolution spatial nodes in Z direction for wind data interpolation (-) [>=2]
 35"InflowWind.dat" InflowFile Name of file containing InflowWind module input parameters (quoted string)
 36--- WIND TURBINES ---
 371          NumTurbines   Number of wind turbines (-) [>=1] [last 6 columns below used only for Mod_AmbWind=2 or 3]
 38WT_X    WT_Y     WT_Z   WT_FASTInFile       X0_High Y0_High  Z0_High dX_High dY_High dZ_High
 39(m)     (m)      (m)      (string)            (m)     (m)      (m)     (m)     (m)     (m)
 40605.0   1500.0   0.0    "/FAST/Test18.fst"   525.0   1425.0    5.0    10.0    10.0    10.0
 41--- WAKE DYNAMICS ---
 425.0        dr            Radial increment of radial finite-difference grid (m) [>0.0]
 4340         NumRadii      Number of radii in the radial finite-difference grid (-) [>=2]
 44140        NumPlanes     Number of wake planes (-) [>=2]
 45DEFAULT    f_c           Cutoff (corner) frequency of the low-pass time-filter for the wake advection, deflection, and meandering model (Hz) [>0.0] or DEFAULT [=0.0007]
 46DEFAULT    C_HWkDfl_O    Calibrated parameter in the correction for wake deflection defining the horizontal offset at the rotor (m) or DEFAULT [=0.0]
 47DEFAULT    C_HWkDfl_OY   Calibrated parameter in the correction for wake deflection defining the horizontal offset at the rotor scaled with yaw error (m/deg) or DEFAULT [=0.3]
 48DEFAULT    C_HWkDfl_x    Calibrated parameter in the correction for wake deflection defining the horizontal offset scaled with downstream distance (-) or DEFAULT [=0.0]
 49DEFAULT    C_HWkDfl_xY   Calibrated parameter in the correction for wake deflection defining the horizontal offset scaled with downstream distance and yaw error (1/deg) or DEFAULT [=-0.004]
 50DEFAULT    C_NearWake    Calibrated parameter for the near-wake correction (-) [>1. and <2.5] or DEFAULT [=1.8]
 51DEFAULT    k_vAmb        Calibrated parameter for the influence of ambient turbulence in the eddy viscosity (-) [>=0.0] or DEFAULT [=0.05]
 52DEFAULT    k_vShr        Calibrated parameter for the influence of the shear layer in the eddy viscosity (-) [>=0.0] or DEFAULT [=0.016]
 53DEFAULT    C_vAmb_DMin   Calibrated parameter in the eddy viscosity filter function for ambient turbulence defining the transitional diameter fraction between the minimum and exponential regions (-) [>=0.0] or DEFAULT [=0.0]
 54DEFAULT    C_vAmb_DMax   Calibrated parameter in the eddy viscosity filter function for ambient turbulence defining the transitional diameter fraction between the exponential and maximum regions (-) [> C_vAmb_DMin] or DEFAULT [=1.0]
 55DEFAULT    C_vAmb_FMin   Calibrated parameter in the eddy viscosity filter function for ambient turbulence defining the value in the minimum region (-) [>=0.0 and <=1.0] or DEFAULT [=1.0]
 56DEFAULT    C_vAmb_Exp    Calibrated parameter in the eddy viscosity filter function for ambient turbulence defining the exponent in the exponential region (-) [> 0.0] or DEFAULT [=0.01]
 57DEFAULT    C_vShr_DMin   Calibrated parameter in the eddy viscosity filter function for the shear layer defining the transitional diameter fraction between the minimum and exponential regions (-) [>=0.0] or DEFAULT [=3.0]
 58DEFAULT    C_vShr_DMax   Calibrated parameter in the eddy viscosity filter function for the shear layer defining the transitional diameter fraction between the exponential and maximum regions (-) [> C_vShr_DMin] or DEFAULT [=25.0]
 59DEFAULT    C_vShr_FMin   Calibrated parameter in the eddy viscosity filter function for the shear layer defining the value in the minimum region (-) [>=0.0 and <=1.0] or DEFAULT [=0.2]
 60DEFAULT    C_vShr_Exp    Calibrated parameter in the eddy viscosity filter function for the shear layer defining the exponent in the exponential region (-) [> 0.0] or DEFAULT [=0.1]
 61DEFAULT    Mod_WakeDiam  Wake diameter calculation model (-) (switch) {1: rotor diameter, 2: velocity based, 3: mass-flux based, 4: momentum-flux based} or DEFAULT [=1]
 62DEFAULT    C_WakeDiam    Calibrated parameter for wake diameter calculation (-) [>0.0 and <0.99] or DEFAULT [=0.95] [unused for Mod_WakeDiam=1]
 63DEFAULT    Mod_Meander   Spatial filter model for wake meandering (-) (switch) {1: uniform, 2: truncated jinc, 3: windowed jinc} or DEFAULT [=3]
 64DEFAULT    C_Meander     Calibrated parameter for wake meandering (-) [>=1.0] or DEFAULT [=1.9]
 65--- VISUALIZATION ---
 66False      WrDisWind     Write low- and high-resolution disturbed wind data to <RootName>.Low.Dis.t<n>.vtk etc. (flag)
 671          NOutDisWindXY Number of XY planes for output of disturbed wind data across the low-resolution domain to <RootName>.Low.DisXY<n_out>.t<n>.vtk (-) [0 to 9]
 6890.0       OutDisWindZ   Z coordinates of XY planes for output of disturbed wind data across the low-resolution domain (m) [1 to NOutDisWindXY] [unused for NOutDisWindXY=0]
 692          NOutDisWindYZ Number of YZ planes for output of disturbed wind data across the low-resolution domain to <RootName>/Low.DisYZ<n_out>.t<n>.vtk (-) [0 to 9]
 70600.0,978.0 OutDisWindX X coordinates of YZ planes for output of disturbed wind data across the low-resolution domain (m) [1 to NOutDisWindYZ] [unused for NOutDisWindYZ=0]
 711          NOutDisWindXZ Number of XZ planes for output of disturbed wind data across the low-resolution domain to <RootName>/Low.DisXZ<n_out>.t<n>.vtk (-) [0 to 9]
 721500.0     OutDisWindY   Y coordinates of XZ planes for output of disturbed wind data across the low-resolution domain (m) [1 to NOutDisWindXZ] [unused for NOutDisWindXZ=0]
 734.0       WrDisDT       Time step for disturbed wind visualization output (s) [>0.0] or DEFAULT [=DT_Low or DT_Low-VTK] [unused for WrDisWind=False and NOutDisWindXY=NOutDisWindYZ=NOutDisWindXZ=0]
 74--- OUTPUT ---
 75True       SumPrint      Print summary data to <RootName>.sum? (flag)
 7699999.9    ChkptTime     Amount of time between creating checkpoint files for potential restart (s) [>0.0]
 77200.0      TStart        Time to begin tabular output (s) [>=0.0]
 781          OutFileFmt    Format for tabular (time-marching) output file (-) (switch) {1: text file [<RootName>.out], 2: binary file [<RootName>.outb], 3: both}
 79True       TabDelim      Use tab delimiters in text tabular output file? (flag) {uses spaces if False}
 80"ES10.3E2" OutFmt        Format used for text tabular output, excluding the time channel. Resulting field should be 10 characters. (quoted string)
 813          NOutRadii     Number of radial nodes for wake output for an individual rotor (-) [0 to 20]
 820, 15, 39  OutRadii      List of radial nodes for wake output for an individual rotor (-)
 832          NOutDist      Number of downstream distances for wake output for an individual rotor (-) [1 to NOutRadii] [unused for NOutRadii=0] rotor (-) [0 to 9]
 840.0, 378.0 OutDist       List of downstream distances for wake output for an individual rotor (m) [1 to NOutDist] [unused for NOutDist =0]
 851          NWindVel      Number of points for wind output (-) [0 to 9]
 86600.0      WindVelX      List of coordinates in the X direction for wind output (m) [1 to NWindVel] [unused for NWindVel=0]
 871500.0     WindVelY      List of coordinates in the Y direction for wind output (m) [1 to NWindVel] [unused for NWindVel=0]
 8890.0       WindVelZ      List of coordinates in the Z direction for wind output (m) [1 to NWindVel] [unused for NWindVel=0]
 89OutList The next line(s) contains a list of output parameters. (quoted string)
 90"RtAxsXT1, RtAxsYT1, RtAxsZT1"
 91"RtPosXT1, RtPosYT1, RtPosZT1"
 92"YawErrT1"
 93"TIAmbT1"
 94"CtT1N01, CtT1N02, CtT1N03, CtT1N04, CtT1N05"
 95"WkAxsXT1D1, WkAxsXT1D2, WkAxsXT1D3"
 96"WkAxsYT1D1, WkAxsYT1D2, WkAxsYT1D3"
 97"WkAxsZT1D1, WkAxsZT1D2, WkAxsZT1D3"
 98"WkPosXT1D1, WkPosXT1D2, WkPosXT1D3"
 99"WkPosYT1D1, WkPosYT1D2, WkPosYT1D3"
100"WkPosZT1D1, WkPosZT1D2, WkPosZT1D3"
101"WkDfVxT1N01D1, WkDfVxT1N02D1, WkDfVxT1N03D1, WkDfVxT1N04D1, WkDfVxT1N05D1"
102"WkDfVxT1N01D2, WkDfVxT1N02D2, WkDfVxT1N03D2, WkDfVxT1N04D2, WkDfVxT1N05D2"
103"WkDfVxT1N01D3, WkDfVxT1N02D3, WkDfVxT1N03D3, WkDfVxT1N04D3, WkDfVxT1N05D3"
104"WkDfVrT1N01D1, WkDfVrT1N02D1, WkDfVrT1N03D1, WkDfVrT1N04D1, WkDfVrT1N05D1"
105"WkDfVrT1N01D2, WkDfVrT1N02D2, WkDfVrT1N03D2, WkDfVrT1N04D2, WkDfVrT1N05D2"
106"WkDfVrT1N01D3, WkDfVrT1N02D3, WkDfVrT1N03D3, WkDfVrT1N04D3, WkDfVrT1N05D3"
107END of input file (the word "END" must appear in the first 3 columns of this last OutList line)