| 干摩擦面上接触应力分布的混合分析法 |
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| 引用本文： | 王亲猛,张锦,马晓秋,董本涵. 干摩擦面上接触应力分布的混合分析法[J]. 中国航空学报, 2002, 15(2): 77-81. DOI: 10.1016/S1000-9361(11)60134-9 |
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| 作者姓名： | 王亲猛 张锦 马晓秋 董本涵 |
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| 作者单位： | WANG Qin meng 1，ZHANG Jin 2，MA Xiao qiu 3，DONG Ben han 4 (1 Numerical Simulation Center for Engineering，Beijing Polytechnic University，Beijing 100022，China |
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| 基金项目： | Youth Foundation of Beijing Polytechnic Universit |
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| 摘 要： | 为准确而方便地获得诸如航空发动机风扇（转子）叶片凸肩（叶冠）之间的干摩擦接触面上的应用力分布，将光测弹性实验方法与有限元数值计算方法结合，建立一种求解接触应力的滋合法。用云纹干涉法提取光弹模型接触面的位称作为计算的边界条件，获得接触面上的接触应力。该方法提高了计算方法的精度和效率，也克服了单纯用实验方法求解接触应力的困难和花费大的缺点。应用混合法分析了航空发动机带凸肩风扇叶片在高速旋转时凸肩间接触面上的接触应力，比较混合法一光弹性法所得接触应力分布，两的结果比较一致。
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| 关 键 词： | 混合法 接触应力 光弹 云纹干涉 数值分析 |
| 收稿时间： | 2001-03-16 |
Hybrid Method to Analyze Contact Stress Distribution on Dry Friction Interfaces |
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| WANG Qin meng ,ZHANG Jin ,MA Xiao qiu ,DONG Ben han. Hybrid Method to Analyze Contact Stress Distribution on Dry Friction Interfaces[J]. Chinese Journal of Aeronautics, 2002, 15(2): 77-81. DOI: 10.1016/S1000-9361(11)60134-9 |
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| Authors: | WANG Qin meng ZHANG Jin MA Xiao qiu DONG Ben han |
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| Affiliation: | Numerical Simulation Center for Engineering, Beijing Polytechnic University , Beijing 100022, China;Group 405, Beijing University of Aeronautics and Astronautics, Beijing 100 083, China;No.11th Institute, China Academy of Launch Vehicle Technology, Beijing 10 0076, China;Shenyang Aeroengine Research Institute, Shenyang 110015, China |
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| Abstract: | A hybrid method is established by combining photoelastic experiment and finite element analysis. The method is used to evaluate contact stress distribution on dry friction interfaces, such as the contact interfaces between shrouds of fan blades and turbine blades. The photoelastic stress frozen experiment method is used to decide the displacement boundary conditions of numerical calculation. Higher accuracy and efficiency of solving problems are improved by the method. Technical difficulty and high cost of experiment are also avoided by the method. Good agreement of the stress distribution by using the hybrid method and experiment is obtained. { |
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| Keywords: | hybrid method contact stress photo elasticity numerical analysis |
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