Dynamic Analysis of Cracked FGM Cantilever Beam (original) (raw)

Lecture notes in mechanical engineering, 2020

Abstract

The development and presence of crack in engineering structures is a natural phenomenon. Now a day’s, FGMS being a modern class of material. Due to its physical and mechanical properties varying through a particular geometrical regions, it is utilized in many of the structural applications. These structures like other metallic and composites are exposed to dynamic conditions. Hence, an FGM structure with initial cracks when subjected to dynamic environment, the performance of the structure is remarkably affected. So the study of the performance of the structures with cracks has been kept as a great area of interest. In this work, the effect of initial cracks at different positions with variable severity on dynamic property as a function of natural frequency is determined. For the purpose, a FGM cantilever beam of size 500 × 20 × 20 mm made of SUS304 and Si3N4 is simulated for free vibration in finite element method using.

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