Fix ttm; laser ablation

Am runx a simulation on laser ablation using the fix tttm command. I have problems with where and how to apply a laser fluence of say 0.9J/cm2 to my simulation cell. I would very much appreciate any help from you on how to do this. Thanks

You've sent this message so many times to this list that its almost
not funny. How about you stop typing into your BB and go a to a
terminal or the library and start reading about how other people
address such a problem? NOBODY here is going to do your work for you.