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When to use equation of state models for modeling hydrodynamic response in metals?

Equation of state models (Mie-Gruneisen equation of state etc) have been widely used to study hydrodynamic response of material during explosive deformation, ballistic impacts for a long time. As far as I understand, a hydrodynamic response is required to be incorporated in a model if the pressure of impact leads to an increase volumetric strength. That is the stress wave speed in the material exceeds the speed of sound in the material (v = sqrt(elastic modulus/density)).  Ballistic impacts occur at strain rates close to 10^9 to 10^12/s.

drgaurav's picture

call for abstracts - Composite Armor and Ballistic Impact/Failure Dynamics

Dear colleagues,

I am organizing sessions related to “Composite Armor” and “Impact Dynamics” at the following conferences in 2014. I would like to personally invite you and your research group to submit an abstract.

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