舰船全船冲击环境数值预报方法研究

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (17) : 88-93.

论文

舰船全船冲击环境数值预报方法研究

崔杰1，李烨2，陈莹玉2，周塞北1，宋红宝2

作者信息 +

Research of Numerical Prediction Method about Shock Environmental Laws of Entirety Hull

Cui-jie1，Li-ye2，Chen ying-yu2，Zhou Sai-bei1，Song hong-bao2

Author information +

文章历史 +

摘要

本文借助数值仿真的手段，采用通用有限元软件ABAQUS建立水下爆炸声固耦合方法，模拟水下非接触爆炸作用下舰船冲击响应特性，并通过实船实验数据进行对比，该方法可较好的模拟水下爆炸舰船的冲击环境。在此基础上，计算水下爆炸作用下全船纵向冲击谱值分布规律，总结并拟合出具备一定通用性的数学模型，可用于冲击环境的初步预报。同时得到了全船冲击环境沿垂向位置的分布情况，以及冲击环境随不同攻角条件下的变化规律。为舰船结构的抗冲击设计提供参考。

Abstract

Numerical simulation and method of acoustic-structure coupling of ABAQUS are used to simulate the dynamic response of the hull which subject to the non-contact underwater explosion in this paper. Through comparing with experimental data, this method could give better simulation and forecast of shock environment of warship underwater explosion. On this basis, longitudinal distribution laws of spectrum based on numerical simulation was concluded and mathematical models with some degree of generality was established which could be used to predict the shock environment. Vertical distribution laws of dynamic response and the change laws in condition of different attack angles are displayed in this paper either. The conclusion may provide relevant references for shock-resistant design of warship.

导出引用

崔杰1，李烨2，陈莹玉2，周塞北1，宋红宝2. 舰船全船冲击环境数值预报方法研究[J]. 振动与冲击, 2015, 34(17): 88-93

Cui-jie1，Li-ye2，Chen ying-yu2，Zhou Sai-bei1，Song hong-bao2. Research of Numerical Prediction Method about Shock Environmental Laws of Entirety Hull[J]. Journal of Vibration and Shock, 2015, 34(17): 88-93

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