Vibration of composite beams with two overlapping delaminations
Della, Christian N., Shu, Dongwei and Zhao, Yapu (2005) Vibration of composite beams with two overlapping delaminations. Acta Mechanica Sinica, 21, (1), 47-55. (doi:10.1007/s10409-004-0006-6).
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Description/Abstract
Delaminations in composite laminates may develop from small cracks due to fabrication and impact loading, or from places of high stress concentration. The locations of the delaminations are not determinate. In this research, an analytical solution for the free vibration of a composite beam with two overlapping delaminations is presented. The delaminated beam is analyzed as seven interconnected beams using the delaminations as their boundaries. The continuity and equilibrium conditions are satisfied between the adjoining regions of the beams. Classical beam theory is applied to each of the beams. Complex vibration behaviors emerge for different sizes and locations of the delaminations. Comparison with analytical results reported in the literature verifies the validity of the present solution.
| Item Type: | Article |
|---|---|
| ISSNs: | 0567-7718 (print) |
| Related URLs: | |
| Keywords: | vibration, delaminations, composite beams, natural frequency, mode shape |
| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions |
| Item ID: | 50344 |
| Date Deposited: | 20 Feb 2008 |
| Last Modified: | 02 Mar 2012 11:49 |
| Contributors: | Della, Christian N. (Author) Shu, Dongwei (Author) Zhao, Yapu (Author) |
| Date: | February 2005 |
| Status: | Published |
| Contact Email Address: | C.Della@soton.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/50344 |
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