A Relaxation Method For Calculating Detonation
In Condensed Explosives
Author(s)
Ming Yu & Zhibo Ma
Abstract
Based on the relaxation approximation, the nonlinear governing equations of
detonation in condensed explosives are transformed into linear relaxation
systems, which can easily adopt simple and effective high resolution scheme. A
fifth-order WENO reconstruction in space discretization and a fifth-order IMEX
scheme of linear multistep methods with monotonicity and TVB in time
discretization are utilized, where it can be avoid solving Riemann problem and
calculating the Jacobian matrix of nonlinear flux, and it is not necessary to split
the reaction source term. The present method is applied to simulate the steady
structure of a one-dimensional planar detonation wave in condensed explosives,
and the results demonstrate the excellent performance of the present method.
Keywords: relaxation method, detonation wave, condensed explosives, high
resolution scheme.
Keywords
relaxation method, detonation wave, condensed explosives, high
resolution scheme.
Related Book
Other papers in this volume
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