Vibration Characteristics of Piezoelectric Microbeams Based on the Modified Couple Stress Theory

Figure 5

Variation of the normalized natural frequency of Timoshenko microbeam with voltage for different values of 𝐿/ℎ: (a) ℎ/𝑙=2, (b) ℎ/𝑙=5, (c) ℎ/𝑙=10, and (d) 𝑙=0.

(a)

(b)

(c)

(d)