Journal
INTERNATIONAL JOURNAL OF THERMOPHYSICS
Volume 37, Issue 7, Pages -Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10765-016-2073-x
Keywords
Composite materials; Finite element simulation; Lamb waves; Laser ultrasound; Multilayered plate; Viscoelasticity
Funding
- National Basic Research Program of China [2012CB921504]
- National Natural Science Foundation of China [51239005, 11404147]
- Natural Science Foundation of Jiangsu Province of China [BK20140519]
- China Postdoctoral Science Foundation [2015M571672]
- Research Fund for Advanced Talents of Jiangsu University [13JDG106]
- Training Project of Young Backbone Teachers of Jiangsu University
- Special Fund for Public Interest of China [201510068]
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The propagation characteristics of laser-generated Lamb waves in multilayered fiber-reinforced composite plates with different fiber orientations and number of layers have been investigated quantitatively. Considering the viscoelasticity of the composite materials, we have set up finite element models for simulating the laser-generated Lamb waves in two types of the multilayered composite plates. In the first type, different fiber orientations are adopted. In the second one, different number of layers are considered. The results illustrate the occurrence of attenuation and dispersion, which is induced by the viscoelasticity and multilayer structure, respectively.
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