!*******************************************
!time information
!*******************************************
duration of simulation         = 20.0   
time step                      = 0.5e-3

!*******************************************
!receivers' output
!*******************************************
receiver saving increment      = 20

!*******************************************
!snapshot output
!*******************************************
snapshot saving  increment     = 200
snapshot space   increment     = 100.0
snapshot displacement          = .false.
snapshot velocity              = .true. 
snapshot acceleration          = .false.

!*******************************************
!boundary absorption information
!*******************************************
boundary absorption            = .true.

!*******************************************
!medium information
!*******************************************
number of material             = 1

material                       = 1
vs                             = 2000.0
vp                             = 4000.0
rho                            = 2600.0