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2020•The Proceedings of Mechanical Engineering Congress JapanOpen access

Study on Underwater Shock Waves Phenomena in a Metal Tube with Different Internal Shape

K. Ohtani, Toshihiro OGAWA, Atsuhiro Nakagawa, Atsushi ABE

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Abstract

This paper reports numerical results underwater shock wave generation phenomena by an explosion in a closed space for establishment of shock wave pressure profile method related to the shock wave medical and biomedical application. In this study, a metal tube made of stainless steel were used as a closed space. A shock wave generated in a metal tube by detonating a micro-explosive (a 10 mg silver azide pellet). The process of underwater shock wave interaction with a metal tube and the generated shock wave propagation phenomena was simulated by using hydrocode ANSYS AUTODYN. The peak over pressure of shock wave generated form a metal tube was higher by different internal shape.

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This paper reports numerical results underwater shock wave generation phenomena by an explosion in a closed space for establishment of shock wave pressure profile method related to the shock wave medical and biomedical application. In this study, a metal tube made of stainless steel were used as a closed space. A shock wave generated in a metal tube by detonating a micro-explosive (a 10 mg silver azide pellet). The process of underwater shock wave interaction with a metal tube and the generated shock wave propagation phenomena was simulated by using hydrocode ANSYS AUTODYN. The peak over pressure of shock wave generated form a metal tube was higher by different internal shape.

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Available abstract

This paper reports numerical results underwater shock wave generation phenomena by an explosion in a closed space for establishment of shock wave pressure profile method related to the shock wave medical and biomedical application. In this study, a metal tube made of stainless steel were used as a closed space. A shock wave generated in a metal tube by detonating a micro-explosive (a 10 mg silver azide pellet). The process of underwater shock wave interaction with a metal tube and the generated shock wave propagation phenomena was simulated by using hydrocode ANSYS AUTODYN. The peak over pressure of shock wave generated form a metal tube was higher by different internal shape.

Key concepts: Shock wave, Shock tube, Explosive material, Shock (circulatory), Materials science, Moving shock, Underwater, Mechanics

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