scholarly journals Experimental and numerical analysis of the shear nonlinear behaviour of Nomex honeycomb core: Application to insert sizing

2018 ◽  
Vol 193 ◽  
pp. 121-139 ◽  
Author(s):  
Juan de Dios Rodriguez-Ramirez ◽  
Bruno Castanie ◽  
Christophe Bouvet
Keyword(s):  
Numerical Analysis ◽  
Nonlinear Behaviour ◽  
Honeycomb Core ◽  
Nomex Honeycomb

Numerical analysis of face sheet buckling for a CFRP/ Nomex honeycomb sandwich panel subjected to bending loading

2021 ◽  
pp. 114037
Author(s):  
Mae Oiwa ◽  
Toshio Ogasawara ◽  
Hajime Yoshinaga ◽  
Tsuyoshi Oguri ◽  
Takahira Aoki
Keyword(s):  
Numerical Analysis ◽  
Sandwich Panel ◽  
Face Sheet ◽  
Honeycomb Sandwich ◽  
Nomex Honeycomb ◽  
Bending Loading

Numerical Analysis and Mechanical Properties of Nomex™ Honeycomb Core

2017 ◽  
Author(s):  
Yue Liu ◽  
Weicheng Gao ◽  
Wei Liu ◽  
Zhou Hua
Keyword(s):  
Compressive Strength ◽  
Cell Walls ◽  
Mechanical Response ◽  
Compressive Loading ◽  
Fe Model ◽  
Honeycomb Core ◽  
Practical Applications ◽  
Honeycomb Sandwich ◽  
Nomex Honeycomb ◽  
Strength And Stiffness

This paper presents an investigation on the mechanical response of the Nomex honeycomb core subjected to flatwise compressive loading. Thin plate elastic in-plane compressive buckling theory is used to analyze the Nomex honeycomb core cell wall. A mesoscopic finite element (FE) model of honeycomb sandwich structure with the Nomex honeycomb cell walls is established by employing ABAQUS/Explicit shell elements. The compressive strength and compressive stiffness of Nomex honeycomb core with different heights and thickness of cell walls, i.e. double cell walls and single cell walls, are analyzed numerically using the FE model. Flatwise compressive tests are also carried out on bare honeycomb cores to validate the numerical method. The results suggest that the compressive strength and compression stiffness are related to the geometric dimensions of the honeycomb core. The Nomex honeycomb core with a height of 6 mm has a higher strength than that of 8 mm. In addition, the honeycomb core with lower height possesses stronger anti-instability ability, including the compressive strength and stiffness. The proposed mesoscopic model can effectively simulate the crushing process of Nomex honeycomb core and accurately predict the strength and stiffness of honeycomb sandwich panels. Our work is instructive to the practical applications in engineering.

Quasi-Static Failure Analysis of Honeycomb Sandwich Beam with Composite Facesheets

2010 ◽  
Vol 160-162 ◽  
pp. 855-859 ◽  
Author(s):  
Li Qing Meng ◽  
Yan Wu ◽  
Shi Zhe Chen ◽  
Xue Feng Shu
Keyword(s):  
Sandwich Beam ◽  
Indentation Test ◽  
Core Material ◽  
Honeycomb Core ◽  
Three Point Bending ◽  
Composite Sandwich ◽  
Sandwich Construction ◽  
Honeycomb Sandwich ◽  
Nomex Honeycomb ◽  
Static Failure

Sandwich construction consists of two thin composite or metal facesheets separated by a core material. Despite extensive researches on the sandwich constructions, their mechanical properties and failure behaviours are still not fully understand. The objective of the paper is to use a experimental and theoretical predicting failure mode for sandwich beam consisting of GFRP facesheets and Nomex honeycomb core. Two kinds of composite sandwich beams are observed in quasi-static three-point bending and indentation test.

Mechanical responses of a composite sandwich structure with Nomex honeycomb core

2019 ◽  
Vol 38 (13) ◽  
pp. 601-615 ◽  
Author(s):  
Yue Liu ◽  
Wei Liu ◽  
Weicheng Gao ◽  
Limeng Zhang ◽  
Enjie Zhang
Keyword(s):  
Sandwich Structure ◽  
Honeycomb Core ◽  
Mechanical Responses ◽  
Composite Sandwich ◽  
Nomex Honeycomb

The Study of Resonant Frequency of Horn and Circular Tool of Ultrasonic Milling System

2014 ◽  
Vol 628 ◽  
pp. 283-286
Author(s):  
Yun Dian Zhang ◽  
Zhong Qiu Ma
Keyword(s):  
Resonant Frequency ◽  
Analytic Method ◽  
Test Results ◽  
Honeycomb Core ◽  
Design Requirement ◽  
Network Method ◽  
Ultrasonic Milling ◽  
Nomex Honeycomb ◽  
Transition Type ◽  
Ansys Workbench

Based on the traditional analytic method and four-end network method, a tapered transition-type ultrasonic horn is designed and analyzed by ANSYS Workbench software. The composite horn avoids the limitations of single-horn and the resonant frequency of the horn is good to meet the design requirement. Through the ANSYS Workbench , the circular tool used for cutting the Nomex honeycomb core materials is analyzed. The test results shows that the resonant frequency of the circular tool is too small to meet the design requirement when the tool have a good modes. But after the optimize design by the Six Sigma in ANSYS Workbench, the resonant frequency of the tool is good for meeting the demands of the design and production and processing.

Study on the behavior law when milling the material of the Nomex honeycomb core

2021 ◽  
Author(s):  
Tarik Zarrouk ◽  
Jamal-Eddine Salhi ◽  
Samir Atlati ◽  
Mohammed Nouari ◽  
Merzouki Salhi ◽  
...  
Keyword(s):  
Honeycomb Core ◽  
Nomex Honeycomb
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