Interactions between blast waves and V-shaped and cone-shaped structures

W. Peng, Z. Y. Zhang, G. Gogos, G. Gazonas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A 2-D numerical model of interactions between a blast wave and a V-shaped or a cone-shaped structure is developed. The model simulates the blast wave reflection from a V-shaped or a cone-shaped structure, the movement of the structure due to the blast impact and the induced shock wave behind the structure. Elliptic grid generation and coordinate transformation are utilized to solve the flow fields in the irregular physical domain. Different types of blast wave reflections, such as normal reflection, oblique reflection and Mach stem reflection, are captured by the numerical model. It is found that the reflected pressure and impulse transmitted to the structure decrease with the increase of incident angle. On the other hand, with the increase of incident angle, the effects of fluid structure interactions (FSI) in reducing the blast loads decreases. The FSI coupled with oblique or Mach stem reflection improves the blast wave mitigation.

Original languageEnglish (US)
Title of host publicationRecent Progresses in Fluid Dynamics Research - Proceedings of the Sixth International Conference on Fluid Mechanics, ICFM VI
Pages149-153
Number of pages5
DOIs
StatePublished - 2011
EventProceedings of the 6th International Conference on Fluid Mechanics: Recent Progresses in Fluid Dynamics Research, ICFM VI - Guangzhou, China
Duration: Jun 30 2011Jul 3 2011

Publication series

NameAIP Conference Proceedings
Volume1376
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceProceedings of the 6th International Conference on Fluid Mechanics: Recent Progresses in Fluid Dynamics Research, ICFM VI
CountryChina
CityGuangzhou
Period6/30/117/3/11

Keywords

  • Mach stem reflection
  • blast wave mitigation
  • fluid-structure interaction
  • incident angle
  • oblique reflection

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science
  • Physics and Astronomy(all)
  • Nature and Landscape Conservation

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  • Cite this

    Peng, W., Zhang, Z. Y., Gogos, G., & Gazonas, G. (2011). Interactions between blast waves and V-shaped and cone-shaped structures. In Recent Progresses in Fluid Dynamics Research - Proceedings of the Sixth International Conference on Fluid Mechanics, ICFM VI (pp. 149-153). (AIP Conference Proceedings; Vol. 1376). https://doi.org/10.1063/1.3651860