0           ！MRT set 1,   BGK set 0
0  continue.plt   ！CONTI,   resume :1 ,  new 0 //follows input datafile name //use ASCII文件 continue.plt
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
1  2e-3  !CONV   using converge criterion?   yes:1, no:0
201     ！NX
201     !  NY
1     ! NZ
1    ！ NX2
1    ！ NY2
1    !  NZ2
0      ! LowX
0      ! LowY
0    ! LowZ
1      ! x_np
1      ! y_np
1      ! z_np
500  !  framerate 
50000   ！total steps to terminate
1.0      !  density
0.6  ！ 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, 0.0, 0.0)   	！ymax face, 
periodic                    ！zmin face
periodic                    ！zmax face
-------------------！ initial velocity field
(0.0, 0.00, 0.0)