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Determination of Degraded Properties of Vibrating Laminated Composite Plates for Different Layup Sequences
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  • Journal title : Composites Research
  • Volume 28, Issue 5,  2015, pp.277-284
  • Publisher : The Korean Society for Composite Materials
  • DOI : 10.7234/composres.2015.28.5.277
 Title & Authors
Determination of Degraded Properties of Vibrating Laminated Composite Plates for Different Layup Sequences
Kim, Gyu-Dong; Lee, Sang-Youl;
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This paper presents a method to detect the fiber property variation of laminated GFRP plates from natural frequency response data. The combined finite element analysis using ABAQUS and the inverse algorithm described in this paper may allow us not only to detect the deteriorated elements from the mirco-mechanical point of view but also to find their numbers, locations, and the extent of damage. To solve the inverse problem using the combined method, this study uses several natural frequencies instead of mode shapes in a structure as the measured data. Several numerical results show that the proposed system is computationally efficient in identifying fiber stiffness degradation for complex structures such as composites with various layup sequences.
System identification method;Composite materials;Layup sequence;Micro-mechanics;
 Cited by
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