Vibrations of a Slightly Curved Microbeam Resting on an Elastic Foundation with Nonideal Boundary Conditions

Figure 4

Nonlinear frequency versus amplitude for the first mode: (a) 𝜀=1,  𝛼₁=500,  𝑁=0,  Γ=15,  and  𝐵₁=0;  (b)  𝜀=1,  𝛼₁=1000,  𝑁=0,  Γ=15,  and  𝐵₁=0.

(a)

(b)