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http://dx.doi.org/10.3795/KSME-A.2003.27.10.1738

SPH Parameters for Analysis of Penetration Phenomenon at Hypervelocity Impact of Meteorite  

Lee, Sung-Soo (연세대학교 대학원 기계공학과)
Seo, Song-Won (연세대학교 대학원 기계공학과)
Min, Oak-Key (연세대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.27, no.10, 2003 , pp. 1738-1747 More about this Journal
Abstract
Smoothed Particle Hydrodynamics (SPH), a pure Lagrangian numerical method, is applied to analysis of penetration phenomenon of bumper plate which is installed outside of spacecraft hull to protect the spacecraft against hypervelocity meteorite impact. Effects of SPH parameters, such as artificial viscosities, smoothing lengths, numbers of particles and time increments, are analysed by comparing the SPH simulation results with experimental ones with regard to subsequent formation of debris cloud. An optimum range of parameter values is determined by error analysis and various SPH numerical results are compared with experiments.
Keywords
Smoothed Particle Hydrodynamics; Hypervelocity Impact; Bumper Plate; Debris Cloud;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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