Modal Analysis of 27 mm Piezo Electric Plate for Small-Scale Underwater Sonar-Based Navigation

Table 3

Maximum deformation for indicated frequencies.

	Frequency (Hz)	Maximum surface deformation (m)	Remark
(1)	1,648.73	5.53𝐸−02
(2)	3,812.96	3.15𝐸−05
(3)	4,307.08	4.53𝐸−05
(4)	6,966.74	2.35𝐸−03
(5)	7,391.68	1.85𝐸−03
(6)	9,384.13	7.32𝐸−03
(7)	10,435.79	4.89𝐸−05
(8)	10,589.02	3.52𝐸−03	The first 15 harmonics occurring between 0–22 kHz
(9)	13,323.19	6.07𝐸−05
(10)	13,942.86	8.64𝐸−05
(11)	14,397.47	4.24𝐸−06
(12)	15,608.28	2.31𝐸−06
(13)	18,411.16	2.12𝐸−05
(14)	18,724.52	3.14𝐸−05
(15)	20,087.07	4.71𝐸−04
𝑓1	40,000.00	1.33𝐸−08	Higher frequencies
𝑓2	60,000.00	1.23𝐸−08
𝑓3	80,000.00	9.11𝐸−09
𝑓4	100,000.00	2.60𝐸−09