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

<div>Effect of the material length scale parameter on buckling load ratios of microbeams based on the initial amplitude (<i>α</i>) with<i> K</i><sub>L</sub>=50,<i> K</i><sub>P</sub>=10, and<i> K</i><sub>NL</sub>=10; (a) P-P microbeam and (b) C-C microbeam.</div>

Mathematical Problems in Engineering

fig11

Figure 11

Figure 11: Postbuckling and Free Nonlinear Vibration of Microbeams Based on Nonlinear Elastic Foundation 