On the application of modified cuckoo optimization algorithm to the crack detection problem of cantilever Euler–Bernoulli beam

•The location and depth of a crack in a beam is predicted by measuring the changes in its natural frequencies.•The crack is replaced by a torsion spring in an Euler–Bernoulli beam.•Three optimization algorithms, COA, GA–NM and MCOA algorithm are utilized.•Experimental tests are setup to verify the a...

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