| 编入光纤后的3-D编织复合材料结构的力学建模 |
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| 引用本文： | 李向华,袁慎芳,王鑫伟,黄睿.编入光纤后的3-D编织复合材料结构的力学建模[J].复合材料学报,2004,21(4):134-139. |
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| 作者姓名： | 李向华 袁慎芳 王鑫伟 黄睿 |
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| 作者单位： | 1.南京航空航天大学 智能材料与结构重点实验室, 南京 210016; |
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| 基金项目： | 国家自然科学基金，航空科研项目，江苏省杰出青年人才基金 |
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| 摘 要： | 对于埋入光纤后的3-D编织复合材料结构进行了力学建模,介绍了光纤埋入编织材料结构的编织方法、工艺和走向,构建了含光纤部分编织复合材料结构的内胞模型,分析了光纤与纱线及内胞的相互几何关系,并采用多元变分法建立含光纤3-D编织复合材料结构的本构关系,理论计算结果与实验结果的相一致验证了光纤编入3-D编织复合材料结构中提高检测结构内部参数方法的可行性。
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| 关 键 词： | 3-D编织复合材料结构 光纤 多元变分法 内胞 纱线 |
| 文章编号： | 1000-3851(2004)04-0134-06 |
| 收稿时间： | 2003-05-13 |
| 修稿时间： | 2003-08-05 |
MECHANICAL MODELING OF THE 3-D BRAIDED COMPOSITES WITH THE OPTICAL FIBER BRAIDED |
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| LI Xianghua,YUAN Shenfang,WANG Xinwei,HUANG Rui.MECHANICAL MODELING OF THE 3-D BRAIDED COMPOSITES WITH THE OPTICAL FIBER BRAIDED[J].Acta Materiae Compositae Sinica,2004,21(4):134-139. |
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| Authors: | LI Xianghua YUAN Shenfang WANG Xinwei HUANG Rui |
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| Affiliation: | 1.The Key Lab of Smart Material and Structure Institute, NUAA, Nanjing 210016, China;2.New Technigue Center of Nanjing Posts and Telecommunications Research Institute, Nanjing 210002, China |
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| Abstract: | The mechanical modeling is established for the 3-D braided composite structures with embedded optical fiber sensors, the braiding process technique and trend of the fibers are introduced first of all, the interior cell model containing optical fiber section of the braided composite structure and the geometry relationship between the optical fiber and the fiber bundles or interior cells subsequently are setup,also a construction of the stress-strain relationship and state formula with the multi finite element variation method are presented. The consistency between the rational simulation and the test results systematically verifies the feasibility of optical fiber braided in the 3-D braided composites so as to improve detecting method effectiveness on dealing with the internal parameters. |
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| Keywords: | 3-D braided composite structures optical fiber multi finite element variational method interior cells fiber bundle |
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