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Experimental Research and Simulation Analysis on Composite Structure Embedded Optical Fiber Sensor under Impact Load
Abstract:
The low-energy impact experimental research and monitoring the response of composites structure at different impact positions was conducted by embedding fiber bragg grating strain sensor into composite laminates. Simulation work on the experimental models was conducted and compared to the results of the experiment. According to the Hashin failure criteria, a suitable calculation model was established to investigate the action of the laminates under high energy impact load. The spreading of the fiber damage areas could be observed in the structure until the macroscopic cracks appear. It was indicated that a proper model can be used to simulate the damage evolution and failure behavior of composites structure under the impact load.
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27-31
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April 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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