(a)

(b)

(c)

Figure 5: The virtual shift of a copper cylinder with a pair of metallic wings using the open configuration. (a) Total fields distribution when the column is placed at (0, −0.6 m) with 90 degree to the horizon; (b) similar to (a) but the active device is turned on. (c) Total fields distribution when the column is placed at (0, 0.6 m) with zero degree to the horizon.