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Study on the Fluid-Structure Interaction Characteristics of Projectile Water Entry Under Floating Ice

  • Northwestern Polytechnical University Xian

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The deployment of projectiles in polar regions is significantly influenced by floating ice conditions during water entry. In this paper, based on the FSI method, the water entry process of the projectile is calculated for no ice and floating ice environments when the projectile enters the water at 100 m/s, and the difference between the cavity evolution and the impact load is compared. The computational method is validated through an experiment, and the calculation results are in good agreement with the experiment. Findings reveal that floating ice enhances cavity growth, prolongs closure duration, and elevates splash height near the free surface. Furthermore, projectile-ice collisions amplify impact forces, resulting in an 8.8% and 13.1% increase in peak acceleration and pressure, respectively, compared to the ice-free condition. These insights offer valuable guidance for the design of projectiles and vehicles in polar environments.

Original languageEnglish
Title of host publicationComputational and Experimental Simulations in Engineering - Proceedings of ICCES 2025
EditorsXiqiao Feng, Kun Zhou
PublisherSpringer Science and Business Media B.V.
Pages438-449
Number of pages12
ISBN (Print)9783032173126
DOIs
StatePublished - 2026
Event31st International Conference on Computational and Experimental Engineering and Sciences, ICCES 2025 - Changsha, China
Duration: 25 May 202529 May 2025

Publication series

NameMechanisms and Machine Science
Volume201 MMS
ISSN (Print)2211-0984
ISSN (Electronic)2211-0992

Conference

Conference31st International Conference on Computational and Experimental Engineering and Sciences, ICCES 2025
Country/TerritoryChina
CityChangsha
Period25/05/2529/05/25

Keywords

  • Cavity Evolution
  • Floating Ice
  • Fluid-Structure Interaction
  • Impact load
  • Polar Environment
  • Water Entry

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