Analysis of In-plane Equivalent Elastic Modulus of Aluminum Honeycomb Cores Based on Finite Element Method

被引：2
|
作者：
Chen Ming [1 ]
Xu Xucan [2 ]
Liu Jinfei [3 ]
机构：
[1] Tongji Univ, Sino German Coll Appl Sci, Caoan Rd, Shanghai 200092, Peoples R China
[2] Tongji Univ, Sch Mech Engn, Shanghai 200092, Peoples R China
[3] Tongji Univ, SinoGerman Coll Appl Sci, Shanghai 200092, Peoples R China
来源：
APPLIED MECHANICS AND MATERIALS II, PTS 1 AND 2 | 2014年 / 477-478卷
关键词：
honeycomb core; equivalent elastic parameters; finite element analysis; in-plane stiffness;
D O I：
10.4028/www.scientific.net/AMM.477-478.1159
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In order to overcome the low precision of analytic formulas for equivalent elastic modulus of honeycomb, the in-plane deformations of honeycomb are simulated numerically through finite element analysis (FEA) software Ansys. The representative volume element (RYE) is firstly selected and modeled in 3D, according to the repetition of honeycomb cell. Then the deformations of RYE under three different boundary conditions are discussed on several premises. And the equivalent elastic modulus of two specifications of honeycomb from experiments, analytic formulas of Gibson and FEA's simulation results are presented and compared, adequately proving the effectiveness of the above method. Finally, the fitting formulas of equivalent elastic modulus that are convenient for engineering application are proposed by analyzing series of different sizes honeycomb.
引用
收藏
页码：1159 / +
页数：2
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