Sentence examples for below the ring frequency from inspiring English sources

These expressions are valid below the ring frequency.

The air pressure and section aspect ratio are found to be the controlling influences below the ring frequency.

Excellent agreement is obtained with theories which take the bending effect exactly into account for modes below the ring frequency and for elongated thin shells.

It is also shown that, below the ring frequency, oscillators can induce damping that is more effective in reducing far-field radiation than high loss factors in the shell.

In the low-frequency region below the ring frequency, however, the corrections attenuate the TL amplitude significantly for BU and UU, and hence the BB configuration exhibits the best performance which is consistent with previous observations for flat sandwich panels.

In this paper, a simplified characteristic equation of an in vacuo pipe is presented and from this analytical expressions for the wavenumbers for the circumferential modes below the ring frequency are derived.

It is shown that vibrational power transmission by mechanical point excitation is predicted with an acceptable level of agreement for a frequency below half the ring frequency.

Two different expressions were used for below and above the ring frequency.

It is found, for frequencies below a third of the ring frequency, that the radial axial waves in cylinders are as if the circumferential motion were inextensional.

Above the ring frequency, the shells behave like flat plates.

The theory developed applies below half the ring-frequency and when higher order fluid modes are cut off.