Program sfeacd2d | Extended time-domain acoustic FD modeling 
[SYNOPSIS]
sfeacd2d < Fw.rsf > Fo.rsf vel=Fv.rsf ref=Fr.rsf verb=n
[PARAMETERS]
file    | ref | = |   | 	auxiliary input file name
file    | vel | = |   | 	auxiliary input file name
bool    | verb | =n |  [y/n] | 	setup I/O files 
[DIRECTORY]
user/hpcss
