0           ！MRT set 1,   BGK set 0
1  ic.plt   ！CONTI,   resume :1 ,  new 0 //follows input datafile name
0	！LES   yes: 1 ,   no: 0 
0  mesh_3d.dat ！GEO  read complex geo?  yes:1, no:0 //follows input datafile name
0	! MB   multiblock LBM?   yes:1, no:0
0  2.e-3  !CONV   using converge criterion?   yes:1, no:0
201    ！NX
201      !  NY
1         ! NZ
240    ！ NX2
160    ！ NY2
1        !  NZ2
500      ! LowX
160      ! LowY
0     ! LowZ
200   !  framerate 
50000   ！total steps to terminate
1.0      !  density
0.8    ！ tau
(0.0, 0.0, 0.0000000)   ！ Volumetric force vector (gx, gy, gz)
D2Q9          ! velocity set
Cavity        ! boundary condition
! note: in the following, boundary types: periodic,velocity, pressure
! are allowed. if "velocity" is applied, please strictly follow the format "velocity (%lf, %lf, %lf)".
nonslip                  ！xmin face
nonslip                 ！xmax face
nonslip  	！ymin face
velocity (0.1, 0.00, 0.0)   	！ymax face, 
nonslip                    ！zmin face
nonslip                    ！zmax face
-------------------！ initial velocity field
(0.0, 0.00, 0.0)