90 r=H/3 80 70 60 n-a 50 340 30 H/a=5 20 Ha=30 H/a=10 10 H/a=20 匪H/a=10 0 0.30.350.40.450.50.550.6 r/h FIG. 7: The maxima of the leading edge stress curves are shown as continuous functions, for several alues of the ratio H/a. They re he points, in terms of the height ratio r/H and angle 6 at which the structure is more likely to break, due to bendingFIG. 7: The maxima of the leading edge stress curves are shown as continuous functions, for several values of the ratio H/a. They represent the points, in terms of the height ratio r/H and angle θ, at which the structure is more likely to break, due to bending. 14