OUT-OF-PLANE TENSION FAILURE ANALYSIS OF COMPOSITE STRINGER FOR AIRCRAFT

HUANG WenChao; ZHU ZhaoZe

doi:10.16579/j.issn.1001.9669.2019.03.041

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OUT-OF-PLANE TENSION FAILURE ANALYSIS OF COMPOSITE STRINGER FOR AIRCRAFT

更新时间：2022-09-22

- OUT-OF-PLANE TENSION FAILURE ANALYSIS OF COMPOSITE STRINGER FOR AIRCRAFT
- Journal of Mechanical Strength Vol. 41, Issue 3, Pages: 753-757(2019)
- 作者机构：
  
  1. 中航沈飞民用飞机有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2019.03.041
  CLC：
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HUANG WenChao, ZHU ZhaoZe. OUT-OF-PLANE TENSION FAILURE ANALYSIS OF COMPOSITE STRINGER FOR AIRCRAFT. [J]. 41(3):753-757(2019)
DOI：

HUANG WenChao, ZHU ZhaoZe. OUT-OF-PLANE TENSION FAILURE ANALYSIS OF COMPOSITE STRINGER FOR AIRCRAFT. [J]. 41(3):753-757(2019) DOI： 10.16579/j.issn.1001.9669.2019.03.041.

摘要

考虑几何、材料以及接触非线性因素,引入Hoffman材料失效准则,采用Newton-Raphson增量迭代方法建立复合材料长桁面外拉伸失效有限元仿真方法。设计验证性试验,测试三种不同长桁构型面外拉伸失效载荷和破坏模式,绘制载荷-位移曲线,证明有限元分析方法准确、有效。分析有限元和试验测试结果,研究复合材料长桁面外拉伸失效影响因素,给出飞机强度设计指导。

Abstract

The nonlinear effects of geometry, material and contact are considered, the finite element analysis（hereinafter FEA） method of composite stringer out-of-plane tension failure is established precisely by using Hoffman material failure criteria and Newton-Raphson increment iteration method. A verification test is designed to test the failure load and failure mode of three different stringer configurations.Then the load-displacement curve is drawn to verify the validity of the FEA method.The influence factors of out-of-plane tension failure of composite stringer are studied, which can guide the strength design of aircraft.

关键词

非线性复合材料长桁面外拉伸

Keywords

NonlinearComposite meterialStringerOut-of-plane tension

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