Postbuckling and Free Nonlinear Vibration of Microbeams Based on Nonlinear Elastic Foundation

Figure 6

Effect of the material length scale parameter on frequency ratios of microbeams based on the initial amplitude (α) with K_L=50, K_P=10, K_NL=10, and P=20; (a) P-P microbeam and (b) C-C microbeam.

(a)

(b)