Complexity Study on the Unsteady Flow Field and Aerodynamic Noise of High-Speed Railways on Bridges

Figure 11

Quadrupole noise around the high-speed railway on bridges.

(a)  = 0 m longitudinal cross section

(b)  = 0.05 m longitudinal cross section

(c)  = 0.1 m longitudinal cross section

(d)  = 0.15 m longitudinal cross section

(e)  = 0.2 m longitudinal cross section