Program sfbvvvdwe2d | Born variable-density variable-velocity acoustic 2D time-domain FD modeling 
[SYNOPSIS]
sfbvvvdwe2d < Fwav.rsf vel=Fvel.rsf den=Fden.rsf sou=Fsou.rsf rec=Frec.rsf vpert=Fvpert.rsf rpert=Frpert.rsf bwfl=Fbwfl.rsf bdat=Fbdat.rsf swfl=Fswfl.rsf > Fsdat.rsf verb=y free=n adj=n dabc=n nb=NOP
[PARAMETERS]
bool    | adj | =n |  [y/n] | 	adjoint flag 
string  | bdat | = |   | 	auxiliary output file name
string  | bwfl | = |   | 	auxiliary output file name
bool    | dabc | =n |  [y/n] | 	Absorbing BC 
file    | den | = |   | 	auxiliary input file name
bool    | free | =n |  [y/n] | 	free surface 
int     | nb | =NOP |   | 	thickness of the absorbing boundary: NOP is the width of the FD stencil
file    | rec | = |   | 	auxiliary input file name
string  | rpert | = |   | 	auxiliary input file name
file    | sou | = |   | 	auxiliary input file name
string  | swfl | = |   | 	auxiliary output file name
file    | vel | = |   | 	auxiliary input file name
bool    | verb | =y |  [y/n] | 	verbosity flag
file    | vpert | = |   | 	auxiliary input file name
[DIRECTORY]
user/fperrone
