Skip to Main content Skip to Navigation
Journal articles

Meshless analysis of bi-directional functionally graded beam structures based on physical neutral surface

Abstract : More and more attention has been paid on the two-directional functionally graded materials (FGMs) applied in harsh heat environment. A novel meshless model is established for the bending analysis, based on the Smoothed Particle Hydrodynamics (SPH) method. To improve the prediction accuracy, the conventional SPH method is improved by the symmetric SPH method starting from the Taylor series expansion. Moreover, the neutral surface position of the bi-directional FG beam is determined and the third order Reddy-Bickford beam theory based on this exact neutral surface is adopted. The governing equations are deduced for FGB composed by two or four different materials and then discretized by the proposed method. The present model is verified by comparison of the deflection with the solution obtained in literature and a self-programmed finite element code. The deformation of the beam with different gradient indexes and boundary conditions is also investigated.
Document type :
Journal articles
Complete list of metadata

https://hal-uphf.archives-ouvertes.fr/hal-03446742
Contributor : Kathleen Torck Connect in order to contact the contributor
Submitted on : Wednesday, November 24, 2021 - 2:19:33 PM
Last modification on : Thursday, November 25, 2021 - 3:45:35 AM

Identifiers

Collections

Citation

Jiao Li, Guangchun Wang, Yanjin Guan, Guoqun Zhao, Jun Lin, et al.. Meshless analysis of bi-directional functionally graded beam structures based on physical neutral surface. Composite Structures, Elsevier, 2021, 259, pp.113502. ⟨10.1016/j.compstruct.2020.113502⟩. ⟨hal-03446742⟩

Share

Metrics

Record views

8