A Sensitivity Analysis Method for Finite Element Simulation of CFRP Drilling Process

被引：0
|
作者：
Qi, Zhen-chao [1 ]
Liu, Yong [1 ]
Chen, Zhi-xia [2 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing 210016, Jiangsu, Peoples R China
[2] Hiwing Mat Co Ltd, Zhenjiang 212132, Peoples R China
来源：
3RD INTERNATIONAL CONFERENCE ON APPLIED MECHANICS AND MECHANICAL AUTOMATION (3RD AMMA 2017) | 2017年
基金：
美国国家科学基金会;
关键词：
CFRP; Drilling; Finite element simulation; Sensitivity analysis; FIBER-REINFORCED COMPOSITES; DELAMINATION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper developed a sensitivity analysis method for FE simulation of CFRP drilling process to rank the parameters in order of importance. Firstly, a FE model of CFRP is established using ABAQUS/Explicit. A standard twist drill is imported from stp-formatted files, then it is meshed using C3D4 element and treated as rigid body. The CFRP is modeled as a shell and 2D Hashin Criteria is used to represented the damage. Secondly, a back-propagation artificial neural network is established and trained with the data generated by the FE models using different parameters, which is designed by uniform design method. Lastly, the sensitivity analysis of the back-propagation artificial neural network is carried out using analytical method. The sensitivity of the parameters in the FE model is calculated using a MATLAB program.
引用
收藏
页码：83 / 88
页数：6
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