美国《工程索引》核心期刊
中国科学引文数据库核心期刊
国际刊号:ISSN 1005-1120
国内刊号:CN 32-1389/V
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  • 主管:工业和信息化部
  • 主办:南京航空航天大学
  • 国际刊号:ISSN 1005-1120
  • 国内刊号:CN 32-1389/V
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Weng Jingmeng, Wen Weidong*, Xu Ying.Strength Prediction of Cruciform Specimen Under Biaxial Loading[J].南京航空航天大学学报英文版,2017,34(3):286-295
Strength Prediction of Cruciform Specimen Under Biaxial Loading
  
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中文关键词:  
英文关键词:cruciform specimen; biaxial loading; progressive damage model; failure criteria; biaxial strength
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作者单位
Weng Jingmeng, Wen Weidong*, Xu Ying Jiangsu Province Key Laboratory of Aerospace Power System, State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R. China 
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英文摘要:
      In order to achieve a better understanding of failure behavior of cruciform specimen under different biaxial loading conditions, a three dimensional finite element model is established with solid and interface elements. Maximum stress criterion, two Hashin type criteria and the new proposed criteria are used to predict the strength of plain woven textile composites when biaxial loading ratio equals 1. Compared with experimental data, only the new proposed criteria can reach reasonable results. The applicability of the new proposed criteria is also verified by predicting the tensile and compressive strength of cruciform specimen under different biaxial loading ratios. Moreover, the introduction of interface element makes it more intuitive to recognize delamination failure. The shape of the predicted delamination failure region in the interface layer is similar to that of the failure region in neighboring entity layers, but the area of delamination failure region is a little larger.
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