Program sfTestfd3d | 3D acoustic time-domain FD modeling
[SYNOPSIS]
sfTestfd3d < Fv.rsf > Fw.rsf verb=n verb=n frsf=n nt= kt= ns=1 nb=30 dt= fm=20
[COMMENTS]
4th order in space, 2nd order in time, sponge absorbing boundary condition.

[PARAMETERS]
float   | dt | = |   | 	
float   | fm | =20 |   | 	
bool    | frsf | =n |  [y/n] | 	free surface or not 
int     | kt | = |   | 	record wavefield at time kt 
int     | nb | =30 |   | 	
int     | ns | =1 |   | 	
int     | nt | = |   | 	
bool    | verb | =n |  [y/n] | 	verbosity 
[DIRECTORY]
user/pyang
