超声速锥形截尾弹入水水动力特性及结构响应的数值计算

IF 0.5 4区工程技术 Q4 MECHANICS

Journal of Applied Mechanics and Technical Physics Pub Date : 2023-08-21 DOI:10.1134/S002189442303001X

M.-Y. Hu, S. Zhang, W.-X. Xia, Q.-C. Meng, W.-B. Yi

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引用次数: 0

摘要

基于流体体积(VOF)多相模型和流固耦合(FSI)模型，结合STAR-CCM+软件的偏移网格技术，建立了截尾弹丸斜入水的计算模型。计算分析了弹体在不同入水角度下的水动力特性和结构响应特性，确定了空化的演化规律。数值计算结果与实验数据吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

NUMERICAL CALCULATION OF THE HYDRODYNAMIC CHARACTERISTICS AND STRUCTURAL RESPONSE OF A SUPERSONIC TRUNCATED CONICAL PROJECTILE ENTERING WATER

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NUMERICAL CALCULATION OF THE HYDRODYNAMIC CHARACTERISTICS AND STRUCTURAL RESPONSE OF A SUPERSONIC TRUNCATED CONICAL PROJECTILE ENTERING WATER

Based on the volume-of-fluid (VOF) multiphase model and the fluid-structure interaction (FSI) model, combined with the overset grid technology of the STAR-CCM+ software, a computational model for the oblique entry of truncated projectiles into water is established. The hydrodynamic characteristics and structural response characteristics of the projectile for various water entry angles are calculated and analyzed, and the evolution law of cavitation is determined. The numerical results are found to be in good agreement with experimental data.

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来源期刊

Journal of Applied Mechanics and Technical Physics 物理-力学

CiteScore

1.20

自引率

16.70%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Applied Mechanics and Technical Physics is a journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The Journal presents papers on fluid mechanics and applied physics. Each issue contains valuable contributions on hypersonic flows; boundary layer theory; turbulence and hydrodynamic stability; free boundary flows; plasma physics; shock waves; explosives and detonation processes; combustion theory; multiphase flows; heat and mass transfer; composite materials and thermal properties of new materials, plasticity, creep, and failure.