Abstract
The classical integral transform technique (CITT) is employed to derive an exact analytical solution for the transverse vibrations of a damaged Euler–Bernoulli beam simply supported at both ends. The exact analytical solution derived with the CITT approach requires knowledge of the eigenvalues and eigenfunctions of a related eigenvalue problem, whose hybrid solution is further obtained with the generalized integral transform technique (GITT). Expressions derived for the natural frequencies, mode shapes and frequency response function are valid for any prescribed damage field. Numerical results obtained for a damaged beam with single and multiple damages demonstrate the accuracy, convergence and robustness of the two approaches when combined.
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