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This document describes an advanced material model for shape memory alloys like Nitinol that was implemented in ANSYS. The model accounts for the shape memory effect, pseudoelastic behavior, and biased stiffness characteristic. It was verified through single element uniaxial tests simulating shape memory effect, pseudoelastic loading, and thermal actuation. An example application to simulating the deployment of a self-expanding stent made of Nitinol is also discussed.

Author

Slava Slesarenko

Language

EN