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Analytical solution of low-velocity impact of graphene-reinforced composite functionally graded cylindrical shells

2022年5月11日 236点热度 0人点赞 0条评论

Analytical solution of low-velocity impact of graphene-reinforced composite functionally graded cylindrical shells

作者:Z. X. Lei,L. H. Tong

摘要:

In this paper, low-velocity impact behavior of graphene-reinforced composite functionally graded (GRC-FG) cylindrical shells in thermal environments ia investigated analytically. The efective temperature-dependent material properties of the GRC-FG cylindrical shells are evaluated based on the extended Halpin–Tsai micromechanical model. The contact process follows a linearized contact law which is used to obtain a linearized contact coefcient, and Fourier series expansion and
Laplace transforms are utilized during the solving process. The analytical expression of transverse displacement of GRC-FG cylindrical shells is furnished. The motion equations of the GRC-FG cylindrical shells are established based on Reddy’s thirdorder shear deformation theory (HSDT). The numerical results illustrate the infuences of graphene distribution, temperature variation, geometric parameters, impactor mass and diferent impactor velocities on the central defection of the GRC-FG cylindrical shells as well as the contact force between the GRC-FG cylindrical shells and the impactor.

年份:2019

 

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最后更新:2022年5月11日

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