Moiré-numerical hybrid analysis of cracks in orthotropic media |
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| Authors: | J. Rhee R. E. Rowlands |
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| Affiliation: | (1) Korea Aerospace Research Institute, 305-600 Taejon, Korea;(2) Department of Mechanical Engineering, University of Wisconsin, 53706 Madison, WI, USA |
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| Abstract: | The effectiveness of a new photomechanical-numerical hybrid method for evaluating stress intensity factors (SIFs) in orthotropic composites is demonstrated. Reliable results are obtained from few moiré-measured displacements and they originate well away from the crak tip. The method is illustrated for the case of a uniaxially loaded orthotropic glass/epoxy composite containing a central, transverse crack. |
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| Keywords: | Moiré orthotropic composites stress analysis hybrid stress analysis fracture mechanics stress intensity factors (SIFs) cracks |
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