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- W2380971546 abstract "An improved difference method of characteristics is discribed.Two groups of characteristic equations with entropy terms are deduced according to the basic mechanics equations,and the particle path line is added in the equation set as the third characteristic equation.The isentropic flow after blast shock wave can be solved using the three characteristic equations.There is no artificial viscosity term in the equations,so the influence of the human intervention is reduced.Then,by applying the improved difference method of characteristics,the underwater explosion of the spherical charge of composition B-3 is stimulated.In the scaled distance of 1≤R/R0≤4,the peak pressure error between the numerical calculation results and the experiment curve is less than 13.1%,which proves that the improved difference method of characteristics is reasonable." @default.
- W2380971546 created "2016-06-24" @default.
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- W2380971546 date "2012-01-01" @default.
- W2380971546 modified "2023-09-28" @default.
- W2380971546 title "Difference method of characteristics in isentropic flow of underwater explosion in near-field region" @default.
- W2380971546 hasPublicationYear "2012" @default.
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