tgranular.1 - granular - granular dynamics simulation
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       tgranular.1 (1559B)
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            1 .Dd $Mdocdate$
            2 .Dt GRANULAR 1
            3 .Os
            4 .Sh NAME
            5 .Nm granular
            6 .Nd simulate granular interaction through time
            7 .Sh SYNOPSIS
            8 .Nm
            9 .Op Fl e Ar end-time
           10 .Op Fl g Ar gravity-accel
           11 .Op Fl h
           12 .Op Fl I Ar file-interval
           13 .Op Fl j Ar time-step
           14 .Op Fl t Ar curr-time
           15 .Op name
           16 .Sh DESCRIPTION
           17 .Nm
           18 reads
           19 .Xr granular 5
           20 data with grain properties from stdin, simulates granular interaction
           21 over time, and prints the resultant state.
           22 If
           23 .Ar name
           24 is set, the simulation state is written to files in
           25 .Xr granular 5
           26 format in the current directory.
           27 The files are named
           28 .Pa <name>.outputDDDDD.txt ,
           29 where DDDDD is an integer counter starting from 00000, and incrementing
           30 by 1 for each new file.
           31 .Pp
           32 The options are as follows:
           33 .Bl -tag -width Ds
           34 .It Fl e Ar end-time
           35 Set the time where to end the simulation [s] (default 0.0).
           36 .It Fl g Ar gravity-accel
           37 y-component of gravitational acceleration [m/s^2] (default 0.0).
           38 .It Fl h
           39 Show usage information.
           40 .It Fl I Ar file-interval
           41 Simulation time interval between writing output to disk [s] (default
           42 1.0).
           43 .It Fl j Ar time-step
           44 Override numerical time step length [s].
           45 .It Fl t Ar curr-time
           46 Simulation start time [s] (default 0.0).
           47 .El
           48 .Sh EXIT STATUS
           49 .Nm
           50 exits 0 on success, and >0 if a runtime error occurs:
           51 .Pp
           52 .Bl -tag -width Ds -compact
           53 .It 0
           54 successful exit
           55 .It 1
           56 unspecified error
           57 .It 2
           58 .Xr pledge 2
           59 error
           60 .El
           61 .Sh EXAMPLES
           62 .Dl $ granularpacking | granular | granular2vtu > out.vtk
           63 .Sh SEE ALSO
           64 .Xr granular2img 1 ,
           65 .Xr granular2vtu 1 ,
           66 .Xr granularpacking 1 ,
           67 .Xr granular 5
           68 .Sh AUTHORS
           69 .An Anders Damsgaard Aq Mt anders@adamsgaard.dk