水弹性理论与分段模型试验在船体振动响应分析中的应用

陈占阳;任慧龙;李辉

振动与冲击 ›› 2012, Vol. 31 ›› Issue (24) : 119-124.

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PDF(1165 KB)
振动与冲击 ›› 2012, Vol. 31 ›› Issue (24) : 119-124.
论文

水弹性理论与分段模型试验在船体振动响应分析中的应用

  • 陈占阳,任慧龙,李辉
作者信息 +

Application of hydroelasticity theory and segmented model test to the ship vibration response analysis

  • Chen Zhan-yang , REN Hui-long
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文章历史 +

摘要

由于船体振动引起的高应力对船体强度和疲劳寿命产生的影响已引起国内外造船界的广泛关注,因此为了研究船体振动响应问题,详细介绍了水弹性理论求解船体振动响应的过程,并结合自航分段模型试验对某超大型高速船舶在迎浪中的振动响应进行了模拟仿真,研究了振动响应沿船长的分布规律,并对振动响应随着海况与航速的变化规律进行了分析,最后基于三维时域非线性水弹性理论对该船船舯合成弯矩及鞭状效应进行了模拟预报,通过计算结果与试验结果的比较分析后发现,两者吻合程度较好。

Abstract

As the influence of high stress caused by hull vibration on the hull strength and fatigue life causes wide attention. Therefore, to study the hull vibration, in this paper process of solving the hull vibration based on hydroelasticity theory was introduced. The vibration response of a ultra large fast ship was simulated based on segmented model tests. Effect of wave height and speed of model on vibration response was investigated, and longitudinal distribution of vibration response was analysized. Finally, the total moment and whipping response of this ship were predicted by 3D time domain nonlinear hydroelastic theory. The computational results obtained were in a good agreement with the test data.

关键词

振动响应 / 砰击 / 鞭状效应 / 水弹性 / 自航 / 分段模型试验

Key words

vibration response / slamming / whipping / hydroelasticity / self-propulsion test / segmented model test

引用本文

导出引用
陈占阳;任慧龙;李辉. 水弹性理论与分段模型试验在船体振动响应分析中的应用[J]. 振动与冲击, 2012, 31(24): 119-124
Chen Zhan-yang;REN Hui-long. Application of hydroelasticity theory and segmented model test to the ship vibration response analysis[J]. Journal of Vibration and Shock, 2012, 31(24): 119-124

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