Study on Dynamic Large Deformation Characteriscs of Thin-Walled Ellipsoidal Shells under Blast Loading

  • Chun Xia*
  • , Jianqiao Li
  • *Corresponding author for this work

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

Abstract

The experiment were carried out on the dynamic deformation of metal ellipsoidal thin curved shell under explosion shock wave. The dynamic deformation process of the shell under explosion was captured using stereo-DIC technology, and the global deformation distribution and evolution were obtained under different loading conditions. The shell had two deformation modes: center to edge expansion and edge to center expansion. According to the experimental results, the global deformation distribution formula of the final state under the completely overturning condition was given. The main variables in the experiment are dimensionless and fitted to show their relationship with the central deformation of the shell. The work in this paper lays a foundation for further research on the effects of shell geometry, charge mass, explosion distance and shell material on deformation.

Original languageEnglish
Title of host publication2025 16th International Conference on Mechanical and Intelligent Manufacturing Technologies, ICMIMT 2025
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages174-178
Number of pages5
Edition2025
ISBN (Electronic)9798331509323
DOIs
Publication statusPublished - 2025
Externally publishedYes
Event16th International Conference on Mechanical and Intelligent Manufacturing Technologies, ICMIMT 2025 - Cape Town, South Africa
Duration: 16 May 202518 May 2025

Conference

Conference16th International Conference on Mechanical and Intelligent Manufacturing Technologies, ICMIMT 2025
Country/TerritorySouth Africa
CityCape Town
Period16/05/2518/05/25

Keywords

  • blast wave
  • digital image correlation
  • dynamic mechanical behavior
  • thin-walled spherical shell

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