为探讨抗爆结构设计,采用有限元模拟了典型加筋板结构加强筋迎、背爆面布置下抗冲击过程,分析加强筋的布置对冲击载荷的影响,并与加筋板抗爆实验进行比较.结果表明:加强筋迎爆面布置将使板架在加强筋间的局部区域承受的冲击载荷变大,而使板架承受的角隅汇聚冲击波强度减弱;数值模拟结果与实验结果吻合良好.
参考文献
[1] | Nurick G N;Martin J B .Deformation of thin plates subjected to impulsive loading-a review.Part Ⅰ:theoretical considerations[J].International Journal of Impact Engineering,1989,8(02):159-169. |
[2] | Nurick G N;Martin J B .Deformation of thin plates subjected to impulsive loading-a review.Part Ⅱ:experimental studies[J].International Journal of Impact Engineering,1989,8(02):171-186. |
[3] | Slater J E;Houlston R;Ritizeland D V .Air blast studies on naval steel panels,final report[Task DMEM-53 Defence Research Establishment Suffield Report No.505][R].Ralston,Canada Albert,1990. |
[4] | Houlston R;Slater J E.A summary of experimental results on square plates and stiffened panels subjected to air-blast loading[A].New Orleans,USA:Louisiana,1986:14-16. |
[5] | 刘土光;胡要武;郑际嘉 .固支加筋方板在爆炸载荷作用下的刚塑性动力响应分析[J].爆炸与冲击,1994,14(01):55-65. |
[6] | 刘土光;唐文勇 .加筋板结构在冲击载荷作用下的塑性动力响应[J].华中理工大学学报,1996,24(01):106-109. |
[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(04):55. |
[8] | 朱锡,白雪飞,张振华.空中接触爆炸作用下船体板架塑性动力响应及破口研究[J].中国造船,2004(02):43-50. |
[9] | Menkes S B;Opat H J .Tearing and shear failures in explosively loaded clamped herams[J].Experimental Mechanics,1973,13:480-486. |
[10] | Teeling-Smith R G;Nurick G N .The deformation and tearing of thin circular plates subjected to impulsive loads[J].International Journal of Impact Engineering,1991,11(01):77-91. |
[11] | Olson M D;Fagnan J R;Nurick G N .Deformation and rupture of blast loaded square plates-predictions and experiments[J].International Journal of Impact Engineering,1993,12(02):279-291. |
[12] | Nurick G N;Shave G C .Deformation and tearing of thin square plates subjected to impulsive loads[J].lnt J Impact Eng,1996,18(01):99-116. |
[13] | N.S. Rudrapatna;R. Vaziri;M.D. Olson .Deformation and failure of blast-loaded square plates[J].International journal of impact engineering,1999(4):449-467. |
[14] | Nurick G N;Olson M D;Fagnan J R et al.Deformation and tearing of blast-loaded stiffened square plates[J].International Journal of Impact Engineering,1995,16(02):273-291. |
[15] | S. Chung Kim Yuen;G.N. Nurick .Experimental and numerical studies on the response of quadrangular stiffened plates. Part Ⅰ: subjected to uniform blast load[J].International journal of impact engineering,2005(1):55-83. |
[16] | G.S. Langdon;S. Chung Kim Yuen;G.N. Nurick .Experimental and numerical studies on the response of quadrangular stiffened plates. Part Ⅱ: localised blast loading[J].International journal of impact engineering,2005(1):85-111. |
[17] | 于文满;何顺禄;关世义.舰艇毁伤图鉴[M].北京:国防工业出版社,1991:1-64. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%