this is the control file for the simulation of a fish tank with
8 sides. the inflow is on the side, and it is 10 liters/second. the
outlet is in the bottom of the tank. with the following parameters,
the program converged after 691 iterations.

T Oppdrettskar             title field
F 2 W			    run-choise
F 7 V                lkjh
F 16 0.0001
G 1 29 29 13 1	  number of nodes in x,y and z direction+sed.size
G 3 0 3 7 12 20 30 40 50 60 70 80 90 100		distribution of vertical grids
g 3 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100  distribution of vertical grids
g 4 1 6 6 10.0              point source
G 7 0 1 15 15 2 13 2 0 0.05 0.707 0.707 0.0 inflow in side
G 7 1 3 15 16 15 16 0 0 0.05 0.0 0.0 1.0 outflow in bottom
G 8 2 29 2 29 2 13 0.01 0.0 0.0
P 2 1.0 1.0 1.0 0.2  0.25     graphics scaling parameters
P 3 15 15 6 1		     graphics nodes, cross-sections and part size no.
P 4 g 
I 1 0.0   	inflowing sediments in kg/s
S 1 0.07  3.5		      sediment fraction nr, size, fallvelo,
N 0 1 1.0		  sediment sample
B 0 0 0 0 0			  bed koordinates, composed of sediment
			   fraction, part of bed covered with this
W 1 80 0.001 1.5	      mannings M, discharge and downst. w. lev.
W 2 13 1 2 3 4 5 7 9 11 13 15 17 19 21	  initialization cross-section numbers
W 4 1 1 2 2 14 2 13
W 4 1 1 2 16 29 2 13
W 4 1 -1 29 2 29 2 13
W 4 3 0 2 15 16 15 16
K 1 1000 2000				number of iterations for flow procedure
k 3 0.05 0.05 0.05 0.01 0.02 0.02	 relaxation coefficients
K 5 1 1 1 1 1 1
k 10 N