Dynamic load case

Dear all

pls let me know how to built Dynamic load case D1,D2,D3, It always only D1 and i searched in manual also not finding, pls let me know how to built Dynamic load case D1, D2, D3

regards
pipeman

Those are just generic terms used to reference a dynamic (response spectrum) load case.

What (specifially) are you asking? If you've never run dynamics before this is the wrong place to look for answers. This isn't something that can be explained in a forum or an e-mail.