Structure Dynamic Theories of Fracture Diagnosis.
Technical rept. Jan-Dec 85,
NEW MEXICO UNIV ALBUQUERQUE DEPT OF MECHANICAL ENGINEERING
Pagination or Media Count:
Two modal theories of damage diagnosis are presented. The modal frequency theory, based on the changes in a modal frequencies of a structure due to damage, can identify both the location and the intensity of a crack for simple fracture configurations. The transmissibility theory, which uses the changes in transmissibilities across a structure, is proposed as a feasible method for large structures. The report reveals the uncertainties of the modal frequency theory. The transmissibility theory is illustrated with a frame structure in localizing a fracture damage.
- Structural Engineering and Building Technology