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Dynamic Response Of A Collidant Impacting A Low Pressure Airbag, Peter A. Dreher
Dynamic Response Of A Collidant Impacting A Low Pressure Airbag, Peter A. Dreher
Theses and Dissertations
There are many uses of low pressure airbags, both military and commercial. Many of these applications have been hampered by inadequate and inaccurate modeling tools. This dissertation contains the derivation of a four degree-of-freedom system of differential equations from physical laws of mass and energy conservation, force equilibrium, and the Ideal Gas Law. Kinematic equations were derived to model a cylindrical airbag as a single control volume impacted by a parallelepiped collidant. An efficient numerical procedure was devised to solve the simplified system of equations in a manner amenable to discovering design trends. The largest public airbag experiment, both in …