| 纤维束张紧力缠绕复合材料飞轮初应力的三维数值分析 |
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| 引用本文： | 秦勇,夏源明,毛天祥.纤维束张紧力缠绕复合材料飞轮初应力的三维数值分析[J].复合材料学报,2005,22(4):149-155. |
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| 作者姓名： | 秦勇 夏源明 毛天祥 |
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| 作者单位： | 中国科技大学,力学和机械工程系,中国科技大学,中科院材料力学行为和设计重点实验室,合肥,230027;中国科学院,力学研究所,北京,100080 |
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| 基金项目： | 国家自然科学基金项目（10472085） |
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| 摘 要： | 利用平面应力型全弹性模型的思想(即将纤维束张紧力缠绕看成多层复合材料薄环连续过盈装配的过程) , 建立了三维纤维束张紧力缠绕复合材料飞轮初应力分析模型, 并给出了基于面-面接触算法求解张紧力缠绕复合材料飞轮初应力的三维数值方法。算例分析表明, 三维数值分析得到的飞轮的环向初应力及径向初始压应力(数值) 均略低于平面应力模型的结果, 且这种差距随着飞轮轴向长度的增加而缓慢增大; 三维分析证实了平面应力模型关于张紧力缠绕复合材料飞轮的初应力分析有足够的精度。最后给出了三维模型轴向效应的表征方法。
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| 关 键 词： | 复合材料飞轮 张紧力缠绕 初应力 三维分析 |
| 文章编号： | 1000-3851（2005）04-0149-07 |
| 收稿时间： | 09 6 2004 12:00AM |
| 修稿时间： | 2004-09-06 |
3D NUMERICAL ANALYSIS OF INITIAL STRESS OF COMPOSITEFLYWHEEL FABRICATED BY FILAMENT TENSION WINDING |
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| QIN Yong,Xia Yuanming,MAO Tianxiang.3D NUMERICAL ANALYSIS OF INITIAL STRESS OF COMPOSITEFLYWHEEL FABRICATED BY FILAMENT TENSION WINDING[J].Acta Materiae Compositae Sinica,2005,22(4):149-155. |
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| Authors: | QIN Yong Xia Yuanming MAO Tianxiang |
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| Affiliation: | 1. Department of Modern Mechanics, University of Science and Technology of China, Key Laboratory of Mechanical Behavior and Design of Materials, USTC, ASC, Hefei 230027, China;
2. Institute of Mechanics, Academy of Science of China, Beijing 100080, China |
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| Abstract: | A 3D initial stress analysis model of composite flywheel fabricated hy filament tension winding was put forward by using the idea of the former plane stress full elastic model. Based on the arithmetic of face to face contact, a 3D numerical method of calculating the initial stress was proposed for composite in tension winding. The resubs show that, the numerical values of hoop initial stress and radial initial stress calculated by the 3D model are all smaller than those obtained with the plane stress model, and the difference increases slowly with the increase of the axial length of the flywheel. The 3D analysis confirms that the plane stress full elastic model has enough calculation precision. The characterization and calculation method of the axial length effect of the,3D model is established. |
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| Keywords: | composite flywheel tension winding initial stress 3D analysis |
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