https://concrete-fem.com
Nothing is perfect. There are known open issues with ConFem
element SH3
reinforcement
large displacements, small strains
plot
CPE*_SDA
double cracking
C3D8_SDA
More might be indicated in the following sections. They will hopefully be improved. Presumably there are open issues which are not obvious for the authors of this documentation.
https://concrete-fem.com