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does the rigid wall necessary in airbag modeling

Altair Forum User

I am new to Radioss

I am trying to follow the Radioss to build up an inflatable tube.

Here is the question:

in the airbag model, if i use the Monitored Volume, do i need to create a rigid wall along with it?

it seems that it is a necessary for the airbag modeling.

just want to confirm with expert.

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Altair Forum User

also, what is the meaning of all the parameter in the monitored volume keyword...

i can't find any tutorial files explaining them..

Altair Forum User

anybody can help me?

thanks

gopal_rathore

I am new to Radioss

I am trying to follow the Radioss to build up an inflatable tube.

Here is the question:

in the airbag model, if i use the Monitored Volume, do i need to create a rigid wall along with it?

it seems that it is a necessary for the airbag modeling.

just want to confirm with expert.

Do you mean making a rigid wall for simulating tube resting on the floor ?

If your tube is getting inflated in air without any supports or constraints, you need not make rigid wall

Altair Forum User

also, what is the meaning of all the parameter in the monitored volume keyword...

i can't find any tutorial files explaining them..

Can you sahre the keyword or card name?

As @gopal_rathore said it may not be necessary.