高压物理学报

炸药条加载圆柱壳的数值模拟（Ⅰ）：流固耦合模拟

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毛勇建 ¹ , 李玉龙 ² , 陈颖 ¹ , 黄含军 ¹ , 张青平 ¹ , 苗应刚 ²

高压物理学报 | 2012,26(2): 155-162

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高压物理学报 | 2012 , 26 (2) : 155 -162

炸药条加载圆柱壳的数值模拟（Ⅰ）：流固耦合模拟

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毛勇建¹, 李玉龙², 陈颖¹, 黄含军¹, 张青平¹, 苗应刚²

作者信息

^1.中国工程物理研究院总体工程研究所，四川绵阳　621900

^2.西北工业大学航空学院，陕西西安　710072

通讯作者:

李玉龙（1961—），男，博士，教授，主要从事冲击动力学研究. E-mail：liyulong@nwpu.edu.cn

作者简介:

毛勇建（1976—），男，博士，高级工程师，主要从事冲击动力学研究. E-mail：maoyj@caep.ac.cn

Numerical Simulation of Cylindrical Shell Loaded by Explosive Rods (Ⅰ): Fluid-Structure Interaction Simulation

Yong-Jian MAO¹, Yu-Long LI², Ying CHEN¹, Han-Jun HUANG¹, Qing-Ping ZHANG¹, Ying-Gang MIAO²

Affiliations

^1.Institute of Systems Engineering, CAEP, Mianyang 621900, China

^2.School of Aeronautics, Northwestern Polytechnical University, Xi′an 710072, China

出版时间: 2012-04-15

文章导航

摘要

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对炸药条加载圆柱壳模拟X射线力学效应的试验进行了流固耦合数值模拟。首先建立了包括圆柱壳、两层缓冲橡胶、炸药条和空气在内的二维数值模型，其中，两层橡胶采用Ogden超弹性本构模型描述，炸药条及其爆轰产物采用高能炸药燃烧（High Explosive Burn）模型和JWL状态方程描述，空气采用多项式状态方程描述。然后采用多物质ALE流固耦合算法进行计算，获得了爆炸加载的物理图像、载荷传递与结构响应。结果表明，采用19条炸药条加载265 mm的圆柱壳模拟X射线余弦载荷作用，特征点应力响应基本等效；试验附加的两层橡胶对结构响应特征具有影响，在壳体质量较小和（或）刚度较低的情况下，紧密粘接会引起结构响应失真。

关键词

圆柱壳 / X射线 / 炸药 / 结构响应 / 流固耦合

Abstract

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A loading test by explosive rods to simulate mechanical effects of pulsed X-ray was numerically simulated by fluid-structure interaction method. The 2-D numerical model including a cylindrical shell, two layers of rubbers, nineteen explosive rods and a layer of air was built. Therein, the two rubber materials were described by Ogden hyperelastic models, the explosive rods and their explosion product were described by High Explosive Burn model and JWL equation of state, and the air was described by polynomial equation of state. The numerical simulation was performed by the multi-material ALE method. The physical images, load transmission and structural responses were obtained. The results show that, in the loading test of 265 mm cylindrical shell by 19 explosive rods to simulate a cosine-distributed load induced by X-ray, the stress responses at typical locations are basically equivalent. Furthermore, the additive two rubber layers can affect the response characteristics of the shells, and tightly glued interactions can distort the structural responses of shells with small mass and/or low stiffness.

Key words

cylindrical shell / X-ray / explosive / structural response / fluid-structure interaction

引用本文

毛勇建, 李玉龙, 陈颖, 黄含军, 张青平, 苗应刚. 炸药条加载圆柱壳的数值模拟（Ⅰ）：流固耦合模拟. 高压物理学报, 2012 , 26 (2) : 155 -162 .

Yong-Jian MAO, Yu-Long LI, Ying CHEN, Han-Jun HUANG, Qing-Ping ZHANG, Ying-Gang MIAO. Numerical Simulation of Cylindrical Shell Loaded by Explosive Rods (Ⅰ): Fluid-Structure Interaction Simulation[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (2) : 155 -162 .

基金

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国家自然科学基金项目(11102196)
国防科工局技术基础科研项目

参考文献

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参考文献引证文献

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2012年第26卷第2期

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接收时间：2010-09-25
首发时间：2026-11-05
出版时间：2012-04-15

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收稿日期：2010-09-25
修回日期：2011-05-26

基金

国家自然科学基金项目(11102196)

国防科工局技术基础科研项目

作者信息

^1.中国工程物理研究院总体工程研究所，四川绵阳　621900

^2.西北工业大学航空学院，陕西西安　710072

通讯作者:

李玉龙（1961—），男，博士，教授，主要从事冲击动力学研究. E-mail：liyulong@nwpu.edu.cn

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https://castjournals.cast.org.cn/joweb/gywlxb/CN/1325114963903259229

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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