基于光滑粒子流体动力学的波浪中航行体入水数值模拟

管祥善; 孙鹏楠; 李江昊; 孙龙泉

doi:10.7638/kqdlxxb-2023.0080

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基于光滑粒子流体动力学的波浪中航行体入水数值模拟

研究专栏——跨水空介质动力学研究Ⅱ | 更新时间：2026-05-28

- 基于光滑粒子流体动力学的波浪中航行体入水数值模拟
- Numerical simulation of the water entry of projectiles in waves based on SPH method
- 空气动力学学报 2024年42卷第2期页码：85-95
- 作者机构：
  
  1. 中山大学海洋工程与技术学院,珠海,519000
  2. 中国空气动力研究与发展中心结冰与防除冰重点实验室,绵阳,621000
  3. 哈尔滨工程大学船舶工程学院,哈尔滨,150001
- 作者简介：
  
  管祥善（1996—），男，山东青岛人，博士研究生，研究方向：光滑粒子流体动力学、流固耦合. E-mail：guanxsh@mail2.sysu.edu.cn
  孙鹏楠*，副教授，研究方向：光滑粒子流体动力学、跨介质动力学. E-mail：sunpn@mail.sysu.edu.cn
- 基金信息：
  
  国家自然科学基金（52171329，12002404）;爆炸冲击防灾减灾全国重点实验室资助（LGD-SKL-202201）
- DOI：10.7638/kqdlxxb-2023.0080
  中图分类号： O359
- 纸质出版：2024
- 稿件说明：
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管祥善, 孙鹏楠, 李江昊, 等. 基于光滑粒子流体动力学的波浪中航行体入水数值模拟[J]. 空气动力学学报, 2024, 42(2): 85−95.

GUAN Xiangshan, SUN Pengnan, LI Jianghao, et al. Numerical simulation of the water entry of projectiles in waves based on SPH method[J]. 2024, 42(2): 85-95.
管祥善, 孙鹏楠, 李江昊, 等. 基于光滑粒子流体动力学的波浪中航行体入水数值模拟[J]. 空气动力学学报, 2024, 42(2): 85−95. DOI： 10.7638/kqdlxxb-2023.0080

GUAN Xiangshan, SUN Pengnan, LI Jianghao, et al. Numerical simulation of the water entry of projectiles in waves based on SPH method[J]. 2024, 42(2): 85-95. DOI： 10.7638/kqdlxxb-2023.0080.

摘要

航行体在波浪条件下高速入水的运动响应和载荷特性是其研发设计过程中需要重点考虑的问题，为了对该问题进行精准预测，采用无网格光滑粒子流体动力学（smoothed particle hydrodynamics

SPH）方法，提出了一种新型周期性波浪边界技术，利用四元数法计算物体六自由度运动，建立了波浪条件下入水模拟的数值水池。通过对静水中方块体垂直落水和航行体倾斜入水运动轨迹和冲击载荷的模拟，对比于实验参考结果，验证了数值模型的计算精度。随后，在SPH数值波浪水池中对航行体在不同波浪相位角下的高速入水过程开展研究，结果表明航行体弹道稳定性受到波浪相位角影响显著，0°相位角入水时弹道最为稳定。该新型SPH数值水池能够实现航行体波浪中入水过程的精确预报。

Abstract

The impact and motion characteristics of high-speed projectiles during water entry in waves are critical factors to be considered in the design and development process. In this study

a numerical wave tank is established using the smoothed particle hydrodynamics (SPH) method combined with the periodic boundary technique. The six degrees of freedom (6-DOF) motions of the projectile are calculated using the Quaternion method

and the SPH model combined with the Quaternion method is adopted to simulate the water entry process of a high-speed projectile in waves. Firstly

the water entry processes of the cuboid and projectile in static water are simulated and compared with numerical and experimental data to verify the accuracy of SPH simulation of impact and motion characteristics based on the Quaternion method. The SPH method with the periodic boundary technique is then used to establish a numerical tank under wave conditions and simulate the water entry process of the projectile in waves with different phase angles. The simulation results are compared with reference data from previous studies

which shows that the SPH model combined with the periodic boundary technique and Quaternion method can accurately predict the water entry process of high-speed projectiles in waves. This study can provide technical support for the design and optimization of high-speed projectiles in engineering applications.

关键词

Keywords

references

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