Time-Harmonic Response of an Elastic Pile in a Radially Inhomogeneous Poroelastic Medium

Figure 5

Influence of the softening degree of the inner soil on the distribution of normalized twist angle of the pile (f = 20 Hz in (a) and (b); f = 50 Hz in (c) and (d)).

(a)

(b)

(c)

(d)