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NUMERICAL SIMULATION AND ANALYSIS ON EXPLOSION FIELD OF A SPHERICAL CHARE IN SILT

SHAN Hai-bo,XU Quan-jun,CHEN Guo-xiang,SUN Bao-ping,SHAO Xiao-liang (Engineering Institute of Engineering Corps,PLA Univ.of Sci.& Tech.,Nanjing 210007,China)  
By use of two-dimensional Eulerian hydrocode,the numerical simulation on explosion of a spherical charge in silt was carried out.The model was selected and the parameters were modified on the basis of analyzing the characteristics of the silt.It is known from the comparison between calculated and measured data that the explosion field in silt is similar to that in water.For this reason,the simplified model presented in this paper can be used for prediction of shockwave attenuation in silt medium.
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