An Improved Structural Analysis Method for Isolator with Quasi-Zero-Stiffness Characteristic

Figure 11

Nondimensional stiffness versus nondimensional displacement for oblique springs with different variable stiffnesses. (a) n = 2, (b) n = 3, (c) n = 4, (d) β = 0.5, (e) β = 1, and (f) β = 1.5.

(a)

(b)

(c)

(d)

(e)

(f)