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http://dx.doi.org/10.9709/JKSS.2017.26.3.001

The Effect of Obstacles in a Compartment on Personnel Injury Caused by Blast  

Park, Sung-Jun (Agency for Defense Development)
Publication Information
Journal of the Korea Society for Simulation / v.26, no.3, 2017 , pp. 1-11 More about this Journal
Abstract
Blast injuries in a compartment are investigated, and the effects of obstacles on blast injury are particularly analyzed by comparing injuries in the compartments with or without protruding obstacles inside. Even if blast pressure profile tends to be complicated in a confined space unlike in open field, it can be obtained in a relatively short time by using some empirical fast running models for simple confined spaces. However, a finite element method should be employed to obtain blast pressure profiles in a case with obstacles in confined spaces, because the obstacles heavily disturb blast waves. On the other hand, Axelsson SDOF(Single degree of freedom) model and ASII(Adjusted severity of injury index) injury level are employed to estimate blast injury in compartments, because the usual pressure-impulse injury criterion based on the ideal Friedlander waves in open the field cannot be applied to personnel in a confined space due to complexity of blast waves inside. In cases with obstacles, chest wall velocity was reduced by 26 to 76 percent(%) and the personnel injury in the compartment caused by blast was also reduced.
Keywords
Damage assessment; Blast load; Fast running model; Finite element method; Personnel;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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