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Meshless modeling of bending behavior of bi-directional functionally graded beam structures

Abstract : Bi-directional Functionally Graded Materials (FGMs) is of more and more focus in special engineering application like aerospace craft at high altitude and speed. In this paper, bending analysis of this type Functionally Graded Beam (FGB) is performed by a proposed meshless Total Lagrangian (TL) Corrective Smoothed Particle Method (CSPM) which owns more capability in accuracy and stability than the classical Smoothed Particle Hydrodynamics (SPH) method. This method is validated by comparison of the bending deformation with analytical method, ABAQUS and a self-programmed finite element code. The influence of the gradient indexes and boundary conditions on the deformation behavior is also investigated. The method is proved to be more precise and stable than the semi-analytical and FE results when dealing with power-law bi-directional FGB.
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https://hal-uphf.archives-ouvertes.fr/hal-03451159
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Submitted on : Friday, November 26, 2021 - 12:37:08 PM
Last modification on : Saturday, November 27, 2021 - 3:49:01 AM

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Jiao Li, Yanjin Guan, Guoqun Zhao, Jun Lin, Hakim Naceur, et al.. Meshless modeling of bending behavior of bi-directional functionally graded beam structures. Composites Part B: Engineering, Elsevier, 2018, 155, pp.104-111. ⟨10.1016/j.compositesb.2018.08.029⟩. ⟨hal-03451159⟩

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