Journal
NANOTECHNOLOGY REVIEWS
Volume 8, Issue 1, Pages 444-451Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/ntrev-2019-0039
Keywords
CNTFPC spherical shell; Finite element nonlinear transient modelling; carbon nanotube; multiscale model; CNT weight ratio
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Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIP -Korea) [2018R1D1A1B07050080]
- National Research Foundation of Korea [2018R1D1A1B07050080] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study dealt with geometrically nonlinear transient behaviors of carbon nanotube/fiber/polymer composite (CNTFPC) spherical shells containing a central cutout. A multiscale analysis using the Hewitt and Malherbe model was performed to determine the carbon nanotube (CNT) weight ratios, thickness-radius ratios, thickness-length ratios of CNTs, and cutout sizes. Based on the first-order shear deformation plate theory (FSDT),the Newmark method and Newton-Raphson iteration were used for the nonlinear dynamic solution. The proposed approach in this study has been verified by previous studies. Parametric results showed the significance of a proper CNT ratio and curvature for better structural performance on the nonlinear dynamic behaviors of CNTFPC spherical shells with a cutout.
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