I would like to estimate the resistance force applied to a piston that oscillates in a fluid.
Let's say we have a piston with the surface area S that oscillates in water with the frequency Fo and the displacement magnitude Ao, i.e. x = Ao*sin(2*pi*Fo*t).
How can I estimate (analytically or...
I would like to know the analytical solution (formula) for the natural RADIAL / CIRCUMFERENTIAL resonance frequency of a cylinder. Please note that I am NOT talking about a longitudinal resonance that depends on the cylinder length (let’s assume that the cylinder has an infinite length).
I...