爆炸载荷下中空夹层玻璃的动力响应影响因素

史博; 张晓颖; 李阔; 李志强

doi:10.11883/bzycj-2017-0018

爆炸载荷下中空夹层玻璃的动力响应影响因素

doi: 10.11883/bzycj-2017-0018

史博^{1, 2},
张晓颖^{1, 2},
李阔^{1, 2},
李志强^{1, 2, ,}

1.
太原理工大学力学学院应用力学与生物医学工程研究所, 山西太原 030024
2.
太原理工大学材料强度与结构冲击山西省重点实验室, 山西太原 030024

基金项目:

国家自然科学基金项目 11672199

山西省自然科学基金项目 201601D011011

详细信息

作者简介:
史博(1992—)，男，硕士研究生

通讯作者:
李志强，380966503@qq.com

“第十一届全国爆炸力学学术会议”推荐论文。
中图分类号: O383
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- 被引次数: 0
出版历程
- 收稿日期: 2017-01-13
- 修回日期: 2017-04-10
- 刊出日期: 2018-01-25

Influencing factors of dynamic response of hollow laminated glass subject to blast loads

SHI Bo^{1, 2},
ZHANG Xiaoying^{1, 2},
LI Kuo^{1, 2},
LI Zhiqiang^{1, 2
, ,}

1.
Institute of Applied Mechanics and Biomedical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, Shanxi, China
2.
Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan University of Science and Technology, Taiyuan 030024, Shanxi, China

摘要

摘要: 利用LS-DYNA有限元软件，基于多物质ALE算法，模拟中空夹层玻璃在爆炸载荷下的动力学响应，通过变化PVB夹层属性和中空气体层厚度分析了其改变对玻璃板板心最大挠度的影响。结果表明:(1)随气体层厚度的增加，中空钢化夹层玻璃上层玻璃板挠度减小而下层玻璃板挠度增加; (2)一定气体层厚度下，随夹层杨氏模量的增加，上、下玻璃板的挠度减小。
- 爆炸载荷 /
- 中空夹层玻璃 /
- 动力响应 /
- 最大挠度
Abstract: This paper simulated the dynamic responses of hollow tempered laminated glass under the blast load based on a multi-material ALE algorithm using the software LS-DYNA, and analyzed the effect of changing the PVB interlayer property and the thickness of the hollow gas layer on the maximum deflection of the glass plate. The result shows that, with the increase of the thickness of the gas layer, the upper glass plate deflection of the hollow laminated glass decreases, while the lower glass plate deflection increases. However, the deflection of the upper and lower glass plates decreases with the increase of the Young's modulus of the interlayer. The results provide a reference for the safe and efficient design of the hollow laminated glass.
- blast loads /
- hollow laminated glass /
- dynamic response /
- maximum deflection
注释:

1) “第十一届全国爆炸力学学术会议”推荐论文。

HTML全文

图 1 中空夹层玻璃有限元模型

Figure 1. Finite element model of hollow laminated glass

下载: 全尺寸图片幻灯片

图 2 空气和TNT炸药有限元模型

Figure 2. Finite element model of air and TNT explosive

下载: 全尺寸图片幻灯片

图 3 板心单元压力时程曲线

Figure 3. Histories of pressure at the pane center

下载: 全尺寸图片幻灯片

图 4 中空夹层玻璃位移模式分布云图

Figure 4. Displacement distribution of hollow laminated glass

下载: 全尺寸图片幻灯片

图 5 不同气体层厚度下玻璃板板心最大位移变化

Figure 5. Maximum displacement of pane center varying with different thicknesses of glass

下载: 全尺寸图片幻灯片

图 6 板心最大位移随夹层杨氏模量变化曲线

Figure 6. Maximum displacement of pane center varying with Young's modulus of interlayer

下载: 全尺寸图片幻灯片

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