Numerical simulation of high-speed water entry of cavitator with load reduction device based on fluid-structure interaction

被引：0
|
作者：
Li H. [1 ]
Li G. [2 ]
Liu Z. [1 ]
Zheng K. [1 ]
Gao X. [1 ]
Li T. [1 ]
机构：
[1] College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin
[2] Harbin Turbine Company Limited, Harbin
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2021年 / 40卷 / 23期
关键词：
Fluid-structure interaction; Foam Aluminum; Water entry;
D O I：
10.13465/j.cnki.jvs.2021.23.034
中图分类号：
学科分类号：
摘要：
Here, based on the general coupling method in the software MSC.Dytran, numerical simulation was conducted for the process of vertical water entry of cavitator at different initial speeds. Axial acceleration and axial force response laws of cavitator with foam Aluminum load reduction device and Aluminum alloy cavitator were studied contrastively to analyze the load reduction performance of foam Aluminum components. The results showed that peak values of axial acceleration and axial force of both 2 types cavitators are directly proportional to water inlet velocity; the load reduction rate of axial acceleration amplitude can reach 70%, and the load reduction rate of axial force amplitude can reach 14%. © 2021, Editorial Office of Journal of Vibration and Shock. All right reserved.
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页码：254 / 259
页数：5
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