MATLAB code for a cracked frame (natural frequency and mode shape calculation):
cracked frame only:
cracked frame carrying a roving mass:
MATLAB code for a frame with multiply cracked members (by Amr Labib)
The MATLAB code for verifying the work of J.R. Banerjee 2013:
The MATLAB code for verifying the work of J.R. Banerjee 2019: