Fig. 8
From: Enhancing DAS sensitivity through structural optimization of thin-walled cylinders

Measured resonance frequencies of thin-walled cylinders. (a) ABS. (b) Epoxy glass fiber. (c) Aluminum alloy. (d) Brass. (e) Stainless steel.
From: Enhancing DAS sensitivity through structural optimization of thin-walled cylinders

Measured resonance frequencies of thin-walled cylinders. (a) ABS. (b) Epoxy glass fiber. (c) Aluminum alloy. (d) Brass. (e) Stainless steel.