this is the control input file for the curved channel case.

T curved channel 		      title field
F 2 W		    run-choise
F 7 V                lkjh
G 1 41 13 13 1	  number of nodes in x,y and z direction+sed.size
G 3 0 5 10 20 30 40 50 60 70 80 90 95 100		distribution of vertical grids
G 6 41 6 13 0.5 0.01    surface calculation
P 2 1.0 1.0 1.0 0.2  0.05     graphics scaling parameters
P 3 6 4 13 1		     graphics nodes, cross-sections and part size no.
W 1 100 1.2 1.0	      mannings M, discharge and downst. w. lev.
W 2 7 1 5 11 15 20 30 40	  initialization cross-section numbers
K 1 2000 10				number of iterations for flow procedure
K 2 0 1			 coeff. for influence of surface/banks
K 4 1 1 1 5 1 1                number of sweeps for each equation
K 5 1 1 1 1 1 1 		block-correction,1=yes