13 December 2020 2 4K Report

I have a rubber tube for which I defined cylindrical coordinates (z-along the axis, x-radial and y- azimuthal).

I need to apply a displacement on the inner face of the tube that travels like a wave along the z-axis of the tube.

The displacement is in radial direction (x-direction in my cylindrical coordinates) and travels like a wave along the axis of the tube (z-direction).

Does anyone know how to do this ?

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