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Indian Journal of Engineering and Materials Sciences (IJEMS) >
IJEMS Vol.19 [2012] >
IJEMS Vol.19(1) [February 2012] >
| Title: | Stress intensity factor estimation of repaired aluminum plate with bonded composite patch by combined genetic algorithms and FEM under temperature effects |
| Authors: | Ergun, Emin
Tasgetiren, Suleyman
Topcu, Muzaffer |
| Keywords: | Stress intensity factors
Composites patch
Adhesives
Crack
Finite element analysis
Genetic algorithms |
| Issue Date: | Feb-2012 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | The finite
element method (FEM) is used to analyze the behavior of repaired cracks in 2024-T3
aluminum with bonded patches made of unidirectional composite plates. Different
plate thicknesses, number of patch layers, temperatures and crack lengths are
considered in the analyses. Firstly, the
KI stress intensity factor (SIF) is calculated by the finite element
method using displacement correlation technique. Secondly, non-linear
estimation models are developed using genetic algorithms (GA). The developed
models are validated with experimental and numerical data. A genetic algorithm
patch design (GAPD) is developed to estimate the stress intensity factor
without any further finite element analysis.
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| Page(s): | 17-23 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1017 (Online); 0971-4588 (Print) |
| Source: | IJEMS Vol.19(1) [February 2012]
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