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Study on Propagation Laws of Explosion Shock Wave in Tunnels

Yu Wenhua

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Abstract

In order to provide some references for the design and research of the tunnel fortification engineering,some well accepted methods to calculate the parameters of air shock wave in tunnels were collected.After comparison and analysis of these methods,a better calculation method for describing the laws of shock wave propagation has been summed up.ANSYS AUTODYN software was used to simulate the spreading of air shock wave in the tunnel.Based on the further comparison of the numerical values and experimental data,it shows that it is feasible to analyze the problem of explosive shock by using ANSYS AUTODYN.

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What this paper is about

In order to provide some references for the design and research of the tunnel fortification engineering,some well accepted methods to calculate the parameters of air shock wave in tunnels were collected.After comparison and analysis of these methods,a better calculation method for describing the laws of shock wave propagation has been summed up.ANSYS AUTODYN software was used to simulate the spreading of air shock wave in the tunnel.Based on the further comparison of the numerical values and experimental data,it shows that it is feasible to analyze the problem of explosive shock by using ANSYS AUTODYN.

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Available abstract

In order to provide some references for the design and research of the tunnel fortification engineering,some well accepted methods to calculate the parameters of air shock wave in tunnels were collected.After comparison and analysis of these methods,a better calculation method for describing the laws of shock wave propagation has been summed up.ANSYS AUTODYN software was used to simulate the spreading of air shock wave in the tunnel.Based on the further comparison of the numerical values and experimental data,it shows that it is feasible to analyze the problem of explosive shock by using ANSYS AUTODYN.

Key concepts: Shock wave, Explosive material, Shock (circulatory), Engineering, Structural engineering, Mechanics, Law, Aerospace engineering

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