Program sfTestfd2d | A demo of 2D FD test
[SYNOPSIS]
sfTestfd2d < Fv.rsf > Fw.rsf nb=30 nt= dt= fm=20.0 ft=0 jt=1
[COMMENTS]
Sponage absorbing boundary condition

[PARAMETERS]
float   | dt | = |   | 	time sampling interval 
float   | fm | =20.0 |   | 	dominant freq of Ricker wavelet 
int     | ft | =0 |   | 	first recorded time 
int     | jt | =1 |   | 	time interval 
int     | nb | =30 |   | 	thickness of sponge ABC 
int     | nt | = |   | 	number of time steps 
[DIRECTORY]
user/pyang
