| 水下爆炸荷载作用下水面舰船设备冲击环境预报方法研究 |
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| 引用本文： | 钱安其,嵇春艳,王自力.水下爆炸荷载作用下水面舰船设备冲击环境预报方法研究[J].舰船科学技术,2006,28(4):43-47. |
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| 作者姓名： | 钱安其 嵇春艳 王自力 |
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| 作者单位： | 1. 江苏科技大学研究生部,江苏,镇江,212003
2. 江苏科技大学,船舶与海洋工程学院,江苏,镇江,212003 |
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| 摘 要： | 利用MSC.DYTRAN有限元软件,采用冲击谱的描述方法,以舰艇结构加速度响应作为输入,对大型舰船设备在水下爆炸荷载作用下的冲击环境进行数值仿真。在分析该类型舰船设备冲击环境特点的基础上,通过对不同爆炸冲击因子作用下数值仿真结果的对比分析,归纳出爆炸冲击因子与设备冲击环境关系,并给出水面舰船设备冲击环境的预报公式。该预报公式计算结果与采用有限元方法得到的数值计算结果吻合良好。
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| 关 键 词： | 水下爆炸 冲击环境 冲击谱 爆炸冲击因子 |
| 文章编号： | 1672-7649（2006）04-0043-05 |
| 收稿时间： | 2006-05-11 |
| 修稿时间： | 2006-05-11 |
Prediction method of shock environment for equipments on water ship under water explosion |
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| QIAN An-qi,JI Chun-yan,WANG Zi-li.Prediction method of shock environment for equipments on water ship under water explosion[J].Ship Science and Technology,2006,28(4):43-47. |
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| Authors: | QIAN An-qi JI Chun-yan WANG Zi-li |
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| Institution: | 1. Graduate Department, Jiangsu University of Science and Technology, Zhenjiang 212003 2. School of Naval Architecture and Ocean Engineering, Jiangshu University of Science and Technology, Zhenjiang 212003 ,China |
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| Abstract: | This paper simulates shock environment of shipboard equipments under water explosion by using MSC.DYTRAN FE software,in which shock environment is described by shock spectrum and acceleration response of ship is regarded as input.On basis of analyzing the properties of shock environment of shipboard equipment under different explosion conditions,this paper concludes the relationship between explosion shock factor and shock environment of equipments.Finally,the prediction equations of shock environment of equipments on water ship are deduced.By comparison to the simulated results,the proposed equation is possessed of reasonable prediction accuracy. |
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| Keywords: | under water explosion shock environment shock spectrum explosion shock factor |
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