NUMERICAL SIMULATION OF HIGH-SPEED IMPАCT RESPONSE OF CARBON ARAMID FIBER COMPOSITES

Pl Jun; CUI HongLi; JIA YuanKun

doi:10.16579/j.issn.1001.9669.2024.02.021

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NUMERICAL SIMULATION OF HIGH-SPEED IMPАCT RESPONSE OF CARBON ARAMID FIBER COMPOSITES

更新时间：2024-07-05

- NUMERICAL SIMULATION OF HIGH-SPEED IMPАCT RESPONSE OF CARBON ARAMID FIBER COMPOSITES
- Journal of Mechanical Strength Vol. 46, Issue 2, Pages: 416-423(2024)
- 作者机构：
  
  1. 中国民航大学交通科学与工程学院
  2. 中国民航大学航空工程学院
- 作者简介：
- 基金信息：
  
  The project supported by the Basic Scientific Research Business Fee Project of Central Universities Special Support Project of Civil Aviation University of China(No.3122019174).
- DOI：10.16579/j.issn.1001.9669.2024.02.021
  CLC： V258
- Published：15 April 2024，
- 稿件说明：
移动端阅览
Pl Jun, CUI HongLi, JIA YuanKun. NUMERICAL SIMULATION OF HIGH-SPEED IMPАCT RESPONSE OF CARBON ARAMID FIBER COMPOSITES. [J]. Journal of Mechanical Strength , 2024,46(2):416-423.
DOI：

Pl Jun, CUI HongLi, JIA YuanKun. NUMERICAL SIMULATION OF HIGH-SPEED IMPАCT RESPONSE OF CARBON ARAMID FIBER COMPOSITES. [J]. Journal of Mechanical Strength , 2024,46(2):416-423. DOI： 10.16579/j.issn.1001.9669.2024.02.021.

摘要

针对层板高速冲击问题，基于连续损伤力学，建立了由8节点的Cohesive 单元和8节点实体单元组成的三维有限元冲击模型。由于Hashin准则可以良好地预测纤维损伤；Puck准则可以良好地预测基体损伤，所以采用Hashin与Puck混合形成的准则与单一Hashin失效准则进行对比分析，发现混合准则的预测更接近试验值。在此基础上，分析铺层角度和冲击角度对层板抗冲击性的影响，结果表明，相邻铺层角度差越大，入射角度越大，层板的抗冲击性能就越强。

Abstract

Aiming at the high-speed impact problem of laminates

a three-dimensional finite element impact model consisting of 8 node cohesive element and 8 node solid element is established based on continuous damage mechanies. Based on the Hashin criterion

fiber damage can be well predicted

and puck criterion can well predict matrix damage

therefore. the criterion formed by the mixture of Hashin and puck is compared with the single Hashin failure criterion. It is found that the prediction result of the mixed criterion is closer to the test value. On this basis

the effects of ply angle and impact angle on the impact resistance of laminates are analyzed. The results show that the greater the angle difference between adjacent plies

the greater the incident angle

the stronger the impact resistance of laminates.

关键词

复合材料层合板Puck准则Hashin准则抗冲击性能数值模拟

Keywords

Composite laminatesPuck criteriaHashin criteriaImpact resistanceNumerical simulation

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