Journal
AEROSPACE SCIENCE AND TECHNOLOGY
Volume 102, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ast.2020.105860
Keywords
Wave propagation; Dispersion relation; Functionally graded; Graphene platelet reinforced metal foam plate
Categories
Funding
- National Natural Science Foundation of China [11972204]
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This paper studies wave propagation in functionally graded metal foam plates reinforced with graphene platelets (GPLs), where various types of porosity and GPL distribution are taken in account. The Halpin-Tsai model is employed to express the material properties of metal foam plates reinforced with GPLs. The governing equations of wave propagation in metal foam plates are derived by Hamilton's principle together with different plate theories, upon which wave dispersion relations in plates are achieved. Then, the validation of proposed model is examined by comparing the natural frequencies calculated in present study and those from literature. Finally, the effects of porosity and GPL distributions, porosity coefficient, GPL volume fraction and geometry on wave dispersion relations are evaluated. (C) 2020 Elsevier Masson SAS. All rights reserved.
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