UMAT_3D
ABAQUS Subroutine for the Implementation of Thermomechanical Constitutive Model for Shape Memory Alloys
The baseline model implemented is the one published by Lagoudas et al.: Dimitris Lagoudas, Darren Hartl, Yves Chemisky, Luciano Machado, Peter Popov Constitutive model for the numerical analysis of phase transformation in polycrystalline shape memory alloys Int J Plast, 32 (2012), pp. 155-183
Proper modifications of the baseline model have been considered based on the work published by:
D J Hartl, J T Mooney, D C Lagoudas, F T Calkins and J H Mabe Use of a Ni60Ti Shape Memory Alloy for Active Jet Engine Chevron Application: II. Experimentally Validated Numerical Analysis 2010 Smart Mater. Struct. 19 0150
and
Anargyros A Karakalas, Theodoros T Machairas, Alexandros G Solomou and Dimitris A Saravanos Modeling of Partial Transformation Cycles of SMAs with a Modified Hardening Function 2019 Smart Mater. Struct. 28 035014