空中爆炸载荷下梯度波纹夹层板抗爆性能仿真研究

doi:10.3969/j.issn.1000-1093.2017.06.012

兵工学报 ›› 2017, Vol. 38 ›› Issue (6): 1131-1139.doi: 10.3969/j.issn.1000-1093.2017.06.012

空中爆炸载荷下梯度波纹夹层板抗爆性能仿真研究

李勇，程远胜，张攀，刘均

(华中科技大学船舶与海洋工程学院，湖北武汉 430074)

收稿日期:2016-08-18 修回日期:2016-08-18 上线日期:2017-12-15
作者简介:李勇（1991—），男，硕士研究生。E-mail：liruyong@hust.edu.cn
基金资助:
国家自然科学基金项目（51509096、51679098）

Numerical Research on Blast-resistant Performance of Graded Corrugated Sandwich Plates under Air Blast Loading

LI Yong， CHENG Yuan-sheng， ZHANG Pan， LIU Jun

(School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China) 收稿日期： 2016-08-18 基金项目：国家自然科学基金项目（51509096、51679098）作者简介：李勇（1991—），男，硕士研究生。E-mail：liruyong@hust.edu.cn 通信作者：张攀（1986—），男，讲师，硕士生导师。E-mail：panzhang@hust.edu.cn

Received:2016-08-18 Revised:2016-08-18 Online:2017-12-15

摘要/Abstract

摘要： 通过有限元软件Autodyn模拟了梯度波纹夹层板在空中爆炸载荷下的动态响应，分析了芯层排列顺序对其响应模式和抗爆性能的影响；在此基础上，选择抗爆性能最优的芯层组合填充聚氯乙烯泡沫，研究了填充方式对其抗爆性能的影响；分析了夹层结构的吸能特性。结果表明：芯层壁板厚度从迎爆面到背爆面逐渐减小的组合具有最优的抗爆性能，且只在第一层填充泡沫的梯度波纹夹层板的下面板变形最小；从迎爆面到背爆面单层填充时，聚氯乙烯泡沫的吸能不断下降；随着填充层数增加，下面板变形以及聚氯乙烯泡沫和下面板的吸能逐渐增大。

关键词: 爆炸力学, 梯度波纹夹层板, 空中爆炸, 抗爆性能, 填充方式, Autodyn软件

Abstract: The dynamic response of graded corrugated sandwich plates under air blast loading is investigated using Autodyn software. The effect of core arrangement on the response modes and blast-resistant performances of graded corrugated plates is analyzed. The graded corrugated sandwich plate with a certain core configuration is selected, which is filled with polyvinyl chloride foam. Furthermore, the influence of filling strategy on blast-resistant performances of sandwich structures is studied. The energy absorption property of sandwich structures is discussed. The results reveal that the sandwich plate, of which core web thickness gradually decreases from front face to back face, has the optimal blast-resistant performance. The deflection of bottom face sheet of sandwich plate is minimal, in which the first core layer was filled with foam. As polyvinyl chloride foam is filled into one of the layers of the sandwich plate from front face to back face, the energy absorption proportion of polyvinyl chloride foam continuously declines. The deflection of back face, and the energy absorption of polyvinyl chloride foam and bottom face sheet increase with the increase in the number of filling layers. Key

Key words: explosionmechanics, gradedcorrugatedsandwichplate, airblast, blast-resistantperformance, fillingstrategy, Autodynsoftware

中图分类号:

O383⁺.1

李勇，程远胜，张攀，刘均. 空中爆炸载荷下梯度波纹夹层板抗爆性能仿真研究[J]. 兵工学报, 2017, 38(6): 1131-1139.

LI Yong， CHENG Yuan-sheng， ZHANG Pan， LIU Jun. Numerical Research on Blast-resistant Performance of Graded Corrugated Sandwich Plates under Air Blast Loading[J]. Acta Armamentarii, 2017, 38(6): 1131-1139.

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空中爆炸载荷下梯度波纹夹层板抗爆性能仿真研究

Numerical Research on Blast-resistant Performance of Graded Corrugated Sandwich Plates under Air Blast Loading

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