Hierarchical multiscale analysis for 3D woven composite leaf spring landing

被引：25

作者：

Zhang, Yifan ^{[1
,2
,7
]}

Tong, Jian ^{[1
,3
]}

Guo, Qiwei ^{[4
]}

Guo, Junhua ^{[5
]}

Liu, Xiaozhi ^{[6
]}

Chen, Li ^{[1
,2
,7
]}

机构：

[1] TianGong Univ, Key Lab Adv Text Composite Mat, Minist Educ, Tianjin 300387, Peoples R China

[2] TianGong Univ, Sch Text Sci & Engn, Tianjin 300387, Peoples R China

[3] TianGong Univ, Sch Mech Engn, Tianjin 300387, Peoples R China

[4] Tianjin Normal Univ, Coll Fine Arts & Design, Tianjin 300387, Peoples R China

[5] Jiangsu Univ Sci & Technol, Sch Energy & Power, Zhenjiang 212100, Peoples R China

[6] China Helicopter Res & Develop Inst, Jingdezhen 333001, Peoples R China

[7] Tiangong Univ, Sch Text Sci & Engn, 399 West Binshui Rd, Tianjin 300387, Peoples R China

来源：

THIN-WALLED STRUCTURES | 2023年 / 189卷

基金：

中国国家自然科学基金;

关键词：

Hierarchical multiscale analysis strategy; 3D woven composites; Fiber bundle model; Unit cell model; Leaf spring landing gear; MECHANICAL-BEHAVIOR; TEXTILE COMPOSITES; PROGRESSIVE DAMAGE; FIBER ARCHITECTURE; ANGLE-INTERLOCK; BINARY MODEL; FAILURE; ELEMENT; MICROMECHANISMS; FRACTURE;

D O I：

10.1016/j.tws.2023.110913

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this work, a hierarchical multiscale analysis method was used for 3D woven composite leaf spring landing gear. The structural finite element models at micro, meso and macro scales were established and discussed, respectively. The influence of weave patterns on the tensile properties of 3D woven composites were carried out by experiment and numerical simulation. Finally, the multiscale model was established to predict the mechanical properties of 3D woven composite leaf spring landing gear. The results showed that the maximum prediction error was 9.01% at the microscopic scale, 4.55% at the mesoscopic scale, and 5.61% at the macroscopic scale, thus verifying the effectiveness of the used hierarchical multiscale analysis strategy. The presence of stuffer yarn within the material and the yarn arrangement density were the key factors affecting the structural load-bearing capacity in the design of 3D woven composite leaf spring landing gear.

引用

页数：18

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