Investigation of Transverse Vibration Characteristics of Cracked Axially Moving Functionally Graded Beam Under Thermal Load
DOI:
https://doi.org/10.48048/tis.2022.1349Keywords:
Dynamic stability, Cracks, Functionally graded material, Beam, Axially movingAbstract
This article presents a new analysis of the vibration characteristics of open-edge cracks for graded moving beams under thermal load. The material property gradient is based on the distribution of the power law in the direction of the beam thickness. The vibration equation is obtained depending on the precept of Hamilton and resolved by the extension of Galerkin’s approach. A rotational spring is used to represent the cracking in the beam. The effects of the axial velocity, gradient index, thermal load, and cracking parameters on vibration characteristics are observed. Furthermore, the mode shapes of the simple support cracked moving graded beam are determined. The results show that the rise in the axial velocity, the crack depth, and the material property index led to a decrease in the natural frequencies, which indicates the results obtained.
HIGHLIGHTS
- Stability and vibrations analysis of the cracked gradient beams with an axial motion under a uniform temperature rise
- The effect of axial velocity, gradient index, thermal load, and cracks parameter was studied
- Galerkin’s technique is developed for vibrational analysis of cracked graded beams with longitudinal motion
- The Euler-Bernoulli beam model was used taking into account the effect of rotatory inertia
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