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Non-linear finite element approach to analysis of fiberglass reinforced honeycomb core under in-plane loadings
Moghaddam, Hooman Shahverdi Kothare, Aakash
Moghaddam, Hooman Shahverdi
Kothare, Aakash
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2016-04-29
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Shahverdi, H. & Kothare, A. 2016. Non-linear finite element approach to analysis of fiberglass reinforced honeycomb core under in-plane loadings. --In Proceedings: 12th Annual Symposium on Graduate Research and Scholarly Projects. Wichita, KS: Wichita State University, p. 99
Abstract
This paper presents a numerical investigation on the mechanical response of fiberglass reinforced honeycomb core subjected to in-plane loadings. Here, a finite element model implemented with the MSC.MARC program is presented to simulate the honeycomb cell wall and node adhesive layer. In this research, the effective mechanical properties of a hexagonal cell core are determined as a homogenized material using a numerical method which is based on a non-linear finite element analysis of a representative unit cell. In particular, the geometry of the simplest repeating unit of the core as well as the appropriate loading and boundary conditions that must be applied is presented. In conclusion, the in plane elastic properties of honeycomb core are evaluated by analytical methods and correlated with experimental results. Moreover, from nonlinear analysis, it is found that node adhesive layer has a significant effect on the mechanical properties of honeycomb which has not been considered so far in any studies.
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Presented to the 12th Annual Symposium on Graduate Research and Scholarly Projects (GRASP) held at the Heskett Center, Wichita State University, April 29, 2016.
Research completed at Department of Aerospace Engineering, College of Engineering
Research completed at Department of Aerospace Engineering, College of Engineering
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Wichita State University
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GRASP
v. 12
v. 12