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	tgranular.1 - granular - granular dynamics simulation
	git clone git://src.adamsgaard.dk/granular
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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 [email protected]