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Nonlinear bending of an agglomerated CNT-reinforced composite sandwich beam and frame structure

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Pubblicato in:Journal of Physics: Conference Series vol. 2949, no. 1 (Feb 2025), p. 012030
Autore principale: Nguyen, Dinh Kien
Altri autori: Tran Thi Thu Huong, Tran, Quang Vinh, Bui Thi Thu Hoai
Pubblicazione:
IOP Publishing
Soggetti:
Composite beams
Nonlinear response
Frame structures
Carbon nanotubes
Sandwich structures
Bending
Agglomeration
Iterative methods
Beams (structural)
Thickness
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Abstract:The nonlinear bending of the sandwich beam and frame structure made of carbon nanotubes (CNTs) reinforced composite is investigated considering the agglomeration of CNTs. The structure is composed of a polymer core and face sheets of composite. A corotational element is derived and employed to construct the nonlinear governing equation. An Iterative method is adopted with arc-length technique to compute the structure’s response. The results indicate that of the agglomeration of CNTs is important for the nonlinear response of the structure, and the response is more prominent when the degree of agglomeration is more severe. The impacts of the CNT reinforcement on the nonlinear behavior are investigated in detail. The effects of the ratio of core thickness to face thickness on the nonlinear response of the structure is also explored and highlighted.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2949/1/012030
Fonte:Advanced Technologies & Aerospace Database