ANSYS/LS-DYNA PRESSURE

Hello all!!

I am an italian student at the University of Florence....I'm sorry but I don't speak English very well...sorry!

I have a big problem with ANSYS/LS DYNA...so I ask you for help...

I have to apply a pressure to a surface that seems a little ball (like airbag) in order to inflate it. I want swell it.... Someone can help me??

Thank you very much!

cinzia