flow of water and ions thru a silica pore

Dear Steve
I have see the movie on flow of water and ions thru a silica pore in lammps website. Now my study is similar with it,but I don’t know how to build a model and relevant parameter settings. Could you send the code to me for learning? Tanks vevry much.
Looking forward to your early reply.
Best regards.
Cheng
Central south university of forestry and technology Changsha, China