| 填充吸波泡沫的碳纤维复合材料格栅结构吸波性能计算 |
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| 引用本文： | 彭兴林,徐元铭,梁东平.填充吸波泡沫的碳纤维复合材料格栅结构吸波性能计算[J].复合材料学报,2009,26(3):162-168. |
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| 作者姓名： | 彭兴林 徐元铭 梁东平 |
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| 作者单位： | 北京航空航天大学,航空科学与工程学院,北京,100191 |
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| 基金项目： | 国家自然科学基金，航空科学基金 |
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| 摘 要： | 采用空间回路网法计算得到填充吸波泡沫的碳纤维复合材料格栅结构的电磁散射性能。根据格栅结构的周期性排布特征，采用Floquet 定理分析结构的周期性边界条件，将计算模型简化为一个周期单元进行电磁场分布计算。通过计算结果分析结构在不同频率、不同单元体尺寸下的吸波性能。计算表明：对于含吸波泡沫的复合材料格栅结构，其吸波性能明显好于未填充结构；格栅单元中所填充的泡沫厚度以及泡沫体积分数是影响格栅结构吸波性能的2个主要因素。
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| 关 键 词： | 吸波泡沫 复合材料 格栅结构 电磁散射 空间回路网法 周期性结构 |
| 收稿时间： | 2008-05-20 |
| 修稿时间： | 2008-11-25 |
Analysis of Absorbing ability of the carbon fiber composite grid structures filled with foams |
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| PENG Xinglin,XU Yuanming,LIANG Dongping.Analysis of Absorbing ability of the carbon fiber composite grid structures filled with foams[J].Acta Materiae Compositae Sinica,2009,26(3):162-168. |
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| Authors: | PENG Xinglin XU Yuanming LIANG Dongping |
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| Affiliation: | (School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China) |
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| Abstract: | The spatial network method is used to calculate the electromagnetic wave scattering characteristic of carbon fiber composite grid structures filled with Absorbing foams.Along with the periodic characteristic of grid structures,using Floquet theory to analyze the periodic boundary condition,simplifying the analytical model to a cell,then the Absorbing ability of different cell sizes was analyzed from the results.The numerical analysis result shows that the Absorbing ability of the carbon fiber composite grid... |
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| Keywords: | absorbing foams composite grid structures electromagnetic wave scattering spatial networkmethod periodic structures |
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