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	tgranulargrain.1 - granular - granular dynamics simulation
	git clone git://src.adamsgaard.dk/granular
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	tgranulargrain.1 (1478B)
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	1 .Dd $Mdocdate$
	2 .Dt GRANULARGRAIN 1
	3 .Os
	4 .Sh NAME
	5 .Nm granulargrain
	6 .Nd generate a single grain in granular format
	7 .Sh SYNOPSIS
	8 .Nm
	9 .Op Fl d Ar diameter
	10 .Op Fl f
	11 .Op Fl h
	12 .Op Fl R
	13 .Op Fl u Ar vx
	14 .Op Fl v Ar vy
	15 .Op Fl w Ar vz
	16 .Op Fl x Ar x
	17 .Op Fl y Ar y
	18 .Op Fl z Ar z
	19 .Sh DESCRIPTION
	20 The
	21 .Nm
	22 program generates a single grain with default properties, and outputs
	23 the grain data in
	24 .Xr granular 5
	25 format.
	26 .Pp
	27 The options are as follows:
	28 .Bl -tag -width Ds
	29 .It Fl d Ar diameter
	30 Specify grain diameter (default 1.0).
	31 .It Fl f
	32 Fix grain in space.
	33 .It Fl h
	34 Show help text.
	35 .It Fl R
	36 Disable grain rotation.
	37 .It Fl u Ar vx
	38 Set x velocity to
	39 .Ar vx
	40 [m/s].
	41 .It Fl v Ar vy
	42 Set y velocity to
	43 .Ar vy
	44 [m/s].
	45 .It Fl w Ar vz
	46 Set z velocity to
	47 .Ar vz
	48 [m/s].
	49 .It Fl x Ar x
	50 Place grain at
	51 .Ar x
	52 position [m].
	53 .It Fl y Ar y
	54 Place grain at
	55 .Ar y
	56 position [m].
	57 .It Fl z Ar z
	58 Place grain at
	59 .Ar z
	60 position [m].
	61 .El
	62 .Sh EXIT STATUS
	63 .Nm
	64 exits 0 on success, and >0 if a runtime error occurs:
	65 .Pp
	66 .Bl -tag -width Ds -compact
	67 .It 0
	68 successful exit
	69 .It 1
	70 unspecified error
	71 .It 2
	72 .Xr pledge 2
	73 error
	74 .El
	75 .Sh EXAMPLES
	76 .Bd -literal -offset indent
	77 $ (granulargrain -u 1.0; granulargrain -x 1.0) \\
	78 \| granular -e 2.0 -I 0.1 collision
	79 $ for f in collision.grain.*.tsv; do \\
	80 granular2vtu <"$f" >"${f%.tsv}.vtu"; \\
	81 done
	82 .Ed
	83 .Sh SEE ALSO
	84 .Xr granular 1 ,
	85 .Xr granular2img 1 ,
	86 .Xr granular2vtu 1 ,
	87 .Xr granularpacking 1 ,
	88 .Xr granular 5
	89 .Sh AUTHORS
	90 .An Anders Damsgaard Aq Mt [email protected]