Dynamics of a Projectile in a Concentric Flexible Tube
Interim rept. Nov 1981-Aug 1982 on Task 3
BLM APPLIED MECHANICS ASSOCIATES LARAMIE WY
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Each of the four main sections in this report deals with the motion, the forces, and the moments experiences by a gun tube with a straight axis and an offset breech, and with certain simple types of support. Section I presents a development of the kinematics of a projectile in a concentric moving flexible tube. Section 2 treats the forces and moments that act on a projectile in terms of kinematic variables of the tube. Section 3 treats the motion of a tapered cantilever tube that is actuated by the projectile and by prescribed motion at the breech. In Section 4, the problem of a rigid curve tube that is hinged at the breech so that it can swing sideways is treated.
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