! Total number of grid points in X, Y and Z
integer, parameter :: nxt = 4, nyt = 2048, nzt = 2048
! Size... of the domain in X, Y and Z
real, parameter :: lx = 30.0/2048.*4., ly = 30.0, lz = 30.0
! Fluid... in X, Y and Z
integer, parameter :: nxt = 4, nyt = 8*50, nzt = 8*8
!Size of the domain in X, Y and Z...