DERIVING THE TORSIONAL VIBRATION EQUATIONS OF A THREE-LAYER CONICAL SHELL

In this article, the equations of torsional vibration of a three-layer conical shell are derived. The rational construction of a conical shell, from the point of view of its torsional performance, should be such that the main mass of a sufficiently dense material in the form of two layers (bearing layers) is displaced by a certain distance by a third layer (thin wall) consisting of the same or another material, with the third layer being understood as a layer filled with a lighter and less dense material between the two outer layers.

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