As in ansys workbench 14.5 or higher version, in material library Shape memory alloy is inbuilt as you can refer in ansys workbench .
Somehow, I am unable to show the shape memory effect and superelastic in workbench even in simple problem definition.
As for your convenience here I am sending link for papers In first paper problem is discussed for eyeglass frame and modeling was also done by using SMA property.
In second paper from page 8-11, SMA application is done for Stent design,
Kindly give any solution or suggestion or way to proceed this in workbench.
Paper1-
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&ved=0CEQQFjAD&url=http%3A%2F%2Fwww.ansys.com%2Fstaticassets%2FANSYS%2Fstaticassets%2Fresourcelibrary%2Fconfpaper%2F2004-Int-ANSYS-Conf-108.PDF&ei=hEYRU9LwDcmKrQfU-YDoAg&usg=AFQjCNF4j6eL2igQ5UqIE-TI1HgaFeP6Lw&sig2=BjUlnvrcOPVi0sYIgR9twA&bvm=bv.62286460,d.bmk
Paper 2-
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CC0QFjAA&url=http%3A%2F%2Fwww.akroengineering.com%2Ffiles%2FTechnicalPapers%2FAdvanced%2520Shape%2520Memory%2520Alloy%2520Material%2520Models%2520for%2520ANSYS.pdf&ei=I0cRU86hCcuFrAfdzIG4AQ&usg=AFQjCNFDRYKxJEr3gzFMBsrt3Gpowf26IA&sig2=ocubSO9ZTHvgGzlaHlnkWA&bvm=bv.62286460,d.bmk
Abaqus seems to me more user friendly if you want to model the shape memory alloy. Moreover, it depends on what area you want to challenge more.
You can use the user subroutine "UMAT" of the finite element software "ABAQUS". You have to implement your constitutive law as fortran subroutine. you can see this link for th "UMAT" structure : http://imechanica.org/files/Writing%20a%20UMAT.pdf
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