Inflation of a Square Airbag

Application ID: 101921

A square airbag is inflated using a constant air pressure. In some regions of the airbag the material wrinkles during inflation, as a negative principal stress develops. The wrinkling membrane model within the tension field theory gives a correct description of the stress distribution and wrinkling pattern in inflated membranes.

This model example illustrates applications of this type that would nominally be built using the following products: