Abstract
This paper presents an analytical study on the forced flexural vibration of functionally graded beams with open edge cracks under a combined action of an axial compressive force and a concentrated transverse load moving along the longitudinal direction. The cracked section is modeled as a rotational spring whose sectional flexibility is calculated through fracture mechanics. The forced vibration response is determined by employing modal series expansion technique. Analytical dynamic deflections are obtained for cantilever, hinged-hinged, and clamped-clamped beams whose material properties follow an exponential through-thickness variation. A parametric study is conducted to examine the effects of cracks, material property gradient, axial compression, and the speed of the moving load. Selection.
| Original language | English |
|---|---|
| Pages (from-to) | 3293-3300 |
| Journal | Procedia Engineering |
| Volume | 14 |
| DOIs | |
| Publication status | Published - 2011 |
| Event | 12th East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-12) - Hong Kong Convention & Exhibition Centre, Hong Kong, China Duration: 26 Jan 2011 → 28 Jan 2011 http://bccw.cityu.edu.hk/easec12/wp_home.asp |
Research Keywords
- Edge crack
- Euler-Bernoulli beam theory
- Forced vibration
- Functionally graded materials
- Moving load
Publisher's Copyright Statement
- This full text is made available under CC-BY-NC-ND 3.0. https://creativecommons.org/licenses/by-nc-nd/3.0/
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