基于ANSYS/LS-DYNA的多层舷侧结构抗空中接触爆炸防护性能研究  

Research on protective performance of different shipboard structures subjected to air contact explosion with ANSYS / LS - DYNA

作　　者：汪玉[1] 刘云龙[1] 张阿漫[1] 田昭丽 

机构地区：[1]哈尔滨工程大学船舶工程学院,黑龙江哈尔滨150001

出　　处：《舰船科学技术》2013年第7期25-31,共7页Ship Science and Technology

基　　金：国家安全重大基础研究资助项目(613157);新世纪优秀人才支持计划资助项目(NCET100054)

摘　　要：针对典型舰船舱段不同舷侧结构(Y型舷侧和V型舷侧)的防护性能,采用ANSYS/LS-DYNA流固耦合分析模块对其在空中接触爆炸载荷作用下的动塑性响应进行数值模拟计算,并将结构毁伤的数值结果同已有经验公式进行对比验证。通过对不同舷侧型式舱段的破口以及塑性变形面积大小的对比分析,发现Y型舷侧结构的防护性能随翼板角度的增大而增强,且整体防护性能优于V型舷侧结构;而V型舷侧结构的防护性能跟翼板角度没有明显规律,只有部分角度结构能够提升防护性能;最后综合各算例毁伤效果得出120°Y型舷侧结构防护性能最优。In this paper,the dynamic response of warship section with different shipboard protective structures subjected to air contact explosion was studied with ANSYS / LS-DYNA.According to the results,regularity between intersection angle of wing plates and protective performance of Y-shape and V-shape shipboard structures was discovered.The protective performance of Y-shape shipboard structures,better than that of V-shape shipboard structures,is steadily improving along with intersection angle increasing;while there is no regularity for V-shape shipboard,even though the protective performance is satisfying at some angle.Finally,Y-shape shipboard structure with 120 degree intersection angle of wing plate is given as the most efficient shipboard style.

关 键 词：舷侧防护结构 空中接触爆炸 防护性能 Y型舷侧 V型舷侧 

分 类 号：U661[交通运输工程—船舶及航道工程]