水下爆炸作用下固支多层片组结构的塑性毁伤研究
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摘要
为研究固支多层片组结构在水下爆炸作用下的毁伤行为,以能量法为基础,建立了典型多层片组结构在水下爆炸冲击波作用下的塑性响应模型,给出了一定爆炸载荷迎面作用下固支多层片组结构的塑性变形以及剪切断裂毁伤计算方法。利用AUTODYN仿真软件,对不同工况下固支多层片组结构的毁伤进行了仿真研究,并开展了水下爆炸毁伤试验,测试了水下爆炸冲击波参数和多层片组结构的毁伤情况。结合数值模拟和试验结果可知,该理论模型可以很好的预测多层片组结构的毁伤破坏情况,包括其塑性变形层数、剪切破坏层数和最大破坏深度,为水下多层防护结构抗冲击设计提供了一定的依据。
In order to study the damage behavior of a clamped multi-layer sheet structure caused by underwater explosion, a plastic response model for the typical multi-layer sheet structure due to shock waves of underwater explosion was established by an energy method. The calculation method of plastic deformation and shear fracture damage for clamped multi-layer sheet structure under certain frontal explosion loading is developed. Using the AUTODYN software, the numerical simulations of the damage of the clamped multi-layer sheet structure under different conditions were carried out. Also, the underwater explosion damage experiments were conducted and the shock-wave parameters of underwater explosion as well as the damage parameters of the multi-layer sheet structure were tested. According to the numerical simulation and experimental results, it can be found that the theoretical model can well predict the damage behavior of the multi-layer sheet structure, including the numbers of the plastic deformation layer and the shear failure layer as well as the maximum failure depth of the multilayer sheet structure. The work of this paper provides a certain basis for the anti-shock design of underwater multi-layer protective structures.
In order to study the damage behavior of a clamped multi-layer sheet structure caused by underwater explosion, a plastic response model for the typical multi-layer sheet structure due to shock waves of underwater explosion was established by an energy method. The calculation method of plastic deformation and shear fracture damage for clamped multi-layer sheet structure under certain frontal explosion loading is developed. Using the AUTODYN software, the numerical simulations of the damage of the clamped multi-layer sheet structure under different conditions were carried out. Also, the underwater explosion damage experiments were conducted and the shock-wave parameters of underwater explosion as well as the damage parameters of the multi-layer sheet structure were tested. According to the numerical simulation and experimental results, it can be found that the theoretical model can well predict the damage behavior of the multi-layer sheet structure, including the numbers of the plastic deformation layer and the shear failure layer as well as the maximum failure depth of the multilayer sheet structure. The work of this paper provides a certain basis for the anti-shock design of underwater multi-layer protective structures.
引文
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[16]王雷,李玉龙,索涛,等.航空常用铝合金动态拉伸力学性能探究[J].航空材料学报,2013,33(4):71-77.Wang Lei,Li Yulong,Suo Tao,et al.Dynamic tensile mechanical properties of Aluminum alloys used in aviation[J].Journal of Aeronautical Materials,2013,33(4):71-77.(in Chinese)
[17]任鹏,田阿利,张伟,等.水下冲击波载荷作用下气背固支圆板动态毁伤实验[J].爆炸与冲击,2016,36(5):617-624.Ren Peng,Tian Ali,Zhang Wei,et al.Experiment on dynamic damage of air-backed circular plates under underwater shock wave loading[J].Explosion and Shock Waves,2016,36(5):617-624.(in Chinese)
[18]Zamyshlyayev B V.Dynamic loads in underwater explosion[R].Washington D C:Naval Intelligence Support Center,1973.
[19]吴国民,周心桃,李俊.水下爆炸作用下固支平板动态响应分析[J].舰船科学技术,2013,35(4):25-28.Wu Guomin,Zhou Xintao,Li Jun.Dynamic response analysis of clamped plate under underwater explosion[J].Journal of Ship Science and Technology,2013,35(4):25-28.(in Chinese)
[2]李海涛,张振华,牟金磊,等.水下爆炸作用下弹塑性船体梁整体运动模型及损伤特性[J].工程力学,2019,36(1):238-256.Li Haitao,Zhang Zhenhua,Mou Jinlei,et al.Hydro-elastic-plastic dynamic response of a ship hull girder subjected to underwater explosion:a simplified theoretical model[J].Engineering Mechanics,2019,36(1):238-256.(in Chinese)
[3]Taylor G I.The pressure and impulse of submarine explosion waves on plates[M].Cambridge:Cambridge University Press,1963.
[4]Cole R H.Underwater explosions[M].Princeton:Princeton University Press,1948.
[5]Ramajeyathilagam K,Vendhan C P.Deformation and rupture of thin rectangular plates subjected to underwater shock[J].International Journal of Impact Engineering,2004,30(6):699-719.
[6]Rajendran R,Narasimhan K.Damage prediction of clamped circular plates subjected to contact underwater explosion[J].International Journal of Impact Engineering,2001,25(4):373-386.
[7]吴有生,彭兴宁,赵本立.爆炸载荷作用下舰船板架的变形与破损[J].中国造船,1995,4(131):55-61.Wu Yousheng,Peng Xingning,Zhao Benli.Deformation and damage of ship plate under blast loading[J].Shipbuilding of China,1995,4(131):55-61.(in Chinese)
[8]吴成,金俨,李华新.固支方板对水中爆炸作用的动态响应研究[J].高压物理学报,2003,17(4):275-282.Wu Cheng,Jin Ye,Li Huaxin.Dynamic response of solid supported slabs to underwater explosion[J].Chinese Journal of High Pressure Physics,2003,17(4):275-282.(in Chinese)
[9]胡小利,王炳,朱惠民.射弹引起的鱼雷自导系统毁伤仿真[J].兵工自动化,2015,34(5):11-13.Hu Xiaoli,Wang Bing,Zhu Huimin.Damage simulation of torpedo homing system caused by projectiles[J].Ordnance Industry Automation,2015,34(5):11-13.(in Chinese)
[10]张振华,朱锡,刘润泉.多层板架结构在水下接触爆炸作用下的毁伤理论分析方法[C].北京:中国力学学会学术大会,2005.Zhang Zhenhua,Zhu Xi,Li Runquan.Theory analysis method of multi-layer board structure under underwater contact explosion[C].Beijing:Chinese Conference of Theoretical and Applied Mechanics,2005.(in Chinese)
[11]周楠,王金相,谢君,等.球形弹丸作用下钢/铝爆炸复合靶的抗侵彻性能计算与分析[J].高压物理学报,2013,27(6):839-846.Zhou Nan,Wang Jinxiang,Xie Jun,et al.Calculation and analysis of anti-penetration performance of Steel/Aluminum explosive composite target under ball projectile[J].Chinese Journal of High Pressure Physics,2013,27(6):839-846.(in Chinese)
[12]方斌,朱锡,张振华.水下爆炸冲击波载荷作用下船底板架的塑性动力响应[J].哈尔滨工程大学学报,2008,29(4):326-331.Fang Bin,Zhu Xi,Zhang Zhenhua.Plastic dynamic response of ship's deck frame under underwater blast shock loading[J].Journal of Harbin Engineering University,2008,29(4):326-331.(in Chinese)
[13]AUTODYN.AUTODYN users manual revision 4.3[M].California:Century Dynamics Incorporated,2003.
[14]肖秋平,陈网桦,贾宪振,等.基于AUTODYN的水下爆炸冲击波模拟研究[J].舰船科学技术,2009,31(2):38-43.Xiao Qiuping,Chen Wanghua,Jia Xianzhen,et al.Simulation study of underwater explosion shock wave based on AUTODYN[J].Naval Science and Technology,2009,31(2):38-43.(in Chinese)
[15]Cowper G R,Symonds P S.Strain hardening and strain rate effects in the impact loading of cantilever beams[R].Providence:Brown University,1957.
[16]王雷,李玉龙,索涛,等.航空常用铝合金动态拉伸力学性能探究[J].航空材料学报,2013,33(4):71-77.Wang Lei,Li Yulong,Suo Tao,et al.Dynamic tensile mechanical properties of Aluminum alloys used in aviation[J].Journal of Aeronautical Materials,2013,33(4):71-77.(in Chinese)
[17]任鹏,田阿利,张伟,等.水下冲击波载荷作用下气背固支圆板动态毁伤实验[J].爆炸与冲击,2016,36(5):617-624.Ren Peng,Tian Ali,Zhang Wei,et al.Experiment on dynamic damage of air-backed circular plates under underwater shock wave loading[J].Explosion and Shock Waves,2016,36(5):617-624.(in Chinese)
[18]Zamyshlyayev B V.Dynamic loads in underwater explosion[R].Washington D C:Naval Intelligence Support Center,1973.
[19]吴国民,周心桃,李俊.水下爆炸作用下固支平板动态响应分析[J].舰船科学技术,2013,35(4):25-28.Wu Guomin,Zhou Xintao,Li Jun.Dynamic response analysis of clamped plate under underwater explosion[J].Journal of Ship Science and Technology,2013,35(4):25-28.(in Chinese)