| 基于DEM的两层结构夹层玻璃冲击破坏特性研究 |
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| 引用本文： | 臧孟炎,李军,雷周.基于DEM的两层结构夹层玻璃冲击破坏特性研究[J].科学技术与工程,2009,9(3). |
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| 作者姓名： | 臧孟炎 李军 雷周 |
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| 作者单位： | 华南理工大学机械与汽车工程学院,广州,510641 |
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| 摘 要： | 使用自主开发的三维离散元方法(DEM)仿真分析软件,研究了普通夹层玻璃和两层结构夹层玻璃的冲击破坏特性.假定基本等厚的普通夹层玻璃板和两层结构夹层玻璃板均被四周固定,一高速刚性冲击子撞击普通夹层玻璃任一侧的中心和两层结构夹层玻璃两侧的中心.利用三维DEM分别对以上三种情况的冲击破坏过程进行数值模拟,获取各种情况下的冲击子最大冲击力和贯穿能.研究结果表明:作为汽车前挡玻璃,两层结构夹层玻璃比普通夹层玻璃具有更好的安全性.
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| 关 键 词： | 三维离散元法 冲击破坏 数值模拟 夹层玻璃 两层结构夹层玻璃 |
Study on Impact Fracture Behavior of Bi-layer Laminated Glass Based on DEM |
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| ZANG Meng-yan,LI Jun,LEI Zhou.Study on Impact Fracture Behavior of Bi-layer Laminated Glass Based on DEM[J].Science Technology and Engineering,2009,9(3). |
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| Authors: | ZANG Meng-yan LI Jun LEI Zhou |
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| Institution: | School of Mechanical & Automotive Engineering;South China University of Technology;Guangzhou 510641;P.R.China |
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| Abstract: | Self-developed three-dimension discrete element method (DEM) software is used for simulating the impact fracture behavior of automobile laminated glass and bi-layer laminated glass. Both kind of glass plates are fixed, a rigid object impacts the center of one side of laminated glass, and both sides of the bi-layer laminated glass at a high-speed. Three different impact fracture behaviors are simulated by using three-dimensional DEM respectively. The largest impact force and penetration energy of each situat... |
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| Keywords: | three-dimension DEM impact fracture numerical simulation laminated glass two-tier structure glass |
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