Calculation and Improvement of Complex Mechanical Properties of the Mega Arch Dam under Multiple Loads Based on Finite Element Methods

Figure 2

Vibration modes of arch dam under empty-reservoir and full-reservoir working conditions.

(a) First order (empty reservoir)

(b) First order (full reservoir)

(c) Second order (empty reservoir)

(d) Second order (full reservoir)

(e) Third order (empty reservoir)

(f) Third order (full reservoir)

(g) Fourth order (empty reservoir)

(h) Fourth order (full reservoir)

(i) Fifth order (empty reservoir)

(j) Fifth order (full reservoir)

(k) Sixth order (empty reservoir)

(l) Sixth order (full reservoir)

(m) Seventh order (empty reservoir)

(n) Seventh order (full reservoir)