Simulation rigid ball impact to the balloon filled with gas

In this video rigid ball impact to the balloon filled with gas has been simulated. For modeling balloon shell elements and for creating internal gas fluid cavity technique has been used. Dynamic Explicit procedure is appropriate for this type of analysis and during the analysis you can see ball penetration into the balloon and balloon gas has resistance against the penetration. You can see some figures of this simulation at the bellow

You can provide CAE ,INP,and English video files of this simulation here. The cost of these files is Twenty-Three Euros. you can click on the bellow bottom to beginning process

You can purchase the tutorial through a PayPal account, a Visa, or a Master card,  just before payment,send me an email to this address: karampourp@gmail.com