| Kagome点阵夹层板吸能性能的数值模拟 |
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| 引用本文： | 杨永雄,石少卿,张忠,刘盈丰.Kagome点阵夹层板吸能性能的数值模拟[J].后勤工程学院学报,2009,25(3):19-23. |
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| 作者姓名： | 杨永雄 石少卿 张忠 刘盈丰 |
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| 作者单位： | 后勤工程学院,军事建筑工程系,重庆,400041 |
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| 摘 要： | 建立了Kagome点阵夹层板在爆炸冲击荷载作用下的数值模拟模型，计算分析了夹层板的面板厚度、夹芯层杆件半径以及爆炸冲击荷载峰值压力和作用时间对Kagome点阵夹层板吸能性能的影响。发现在给定的爆炸冲击荷载作用下，夹层板只有在合适的几何尺寸下才能使夹芯层的塑性变形能占整个结构塑性变形能的大部分，从而体现出该夹层板主要由夹芯层塑性变形耗能的优势。
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| 关 键 词： | Kagome 点阵夹层板 吸能 数值模拟 |
Numerical Simulations of Absorption Energy Capacity of Sandwich Panel with Kagome Cores |
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| YANG Yong-xiong,SHI Shao-qing,ZHANG Zhong,LIU Ying-feng.Numerical Simulations of Absorption Energy Capacity of Sandwich Panel with Kagome Cores[J].Journal of Logistical Engineering University,2009,25(3):19-23. |
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| Authors: | YANG Yong-xiong SHI Shao-qing ZHANG Zhong LIU Ying-feng |
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| Institution: | Dept.of Architecture & Civil Engineering;LEU;Chongqing 400041;China |
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| Abstract: | The numerical simulation model of sandwich panel with Kagome cores which is under detonation impulsive load is established.Kneading board thickness,member radius as well as the detonation impulsive load peak pressure and the duration influence on the absorption energy capacity of sandwich panel with Kagome cores are calculated and analyzed.The result indicates only in situation of the appropriate geometry size,the energy of plastic deformation in sandwich layer can occupy a majority of entire structure ener... |
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| Keywords: | Kagome |
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