Application of Virtual Substance in Projectile-Barrel Coupling System Dynamics Model

CHEN Shi-ye WANG Liang-ming SHI Wei

Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (24) : 33-37.

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PDF(1441 KB)
Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (24) : 33-37.
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Application of Virtual Substance in Projectile-Barrel Coupling System Dynamics Model

  • CHEN Shi-ye 1 WANG Liang-ming 1 SHI Wei 2
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Abstract

To investigate better the coupling between the flexible barrel and the bullet during the artillery firing process, a method was presented by introducing the virtual substance, in which the force was passed indirectly through an analog barrel that is composed of virtual substances. And the rigid-flexible coupling dynamics equation of the projectile-barrel system including virtual substances was derived. Taking an artillery for an example, the system model was introduced, then the comparative curve between the experimental data and the calculation result under the same firing condition was obtained. The comparison shows that the present model can transfer the projectile-barrel collision force and reflect truly the law of projectile motion, which provides reference for artillery launch dynamics.



Key words

virtual substance / analog barrel / rigid-flexible coupling / contact/impact

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CHEN Shi-ye WANG Liang-ming SHI Wei . Application of Virtual Substance in Projectile-Barrel Coupling System Dynamics Model[J]. Journal of Vibration and Shock, 2013, 32(24): 33-37
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