A shape memory alloy helix model accounting for extension and torsion

In the present paper a mathematical model able to reproduce the mechanical response of a shape memory alloy (SMA) helical spring is presented. The proposed model is based on a simplified but effective theory of the helix that assumes small strains and large displacements. The kinematics of the helix...

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Veröffentlicht in:	European journal of mechanics, A, Solids A, Solids, 2021-08, Vol.89, p.104281, Article 104281
Hauptverfasser:	Esposito, L., Fraldi, M., Ruocco, E., Sacco, E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Curved beams Equilibrium equations Finite element method Helical springs Helix model Kinematics Martensitic transformations Mathematical analysis Mathematical models Mechanical analysis Numerical procedure Reliability analysis Resultants Seasonal variations Sensitivity analysis Shape memory alloy Shape memory alloys Spring Structural members Structural models Time integration
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