Issue 51

A. Chikh, Frattura ed Integrità Strutturale, 51 (2020) 115-126; DOI: 10.3221/IGF-ESIS.51.09 124 0,0 0,5 1,0 -2 0 2 x/L Mode (m=2) K w =0 K w =10 2 K w =10 3 Figure 6: Mode shape of w at the base surface of the beam with various aspect ratios for the second mode frequency   2 2 , / 20 , / 2.5 p m L h K     0,0 0,5 1,0 -0,5 0,0 0,5 x/L Mode (m=3) K w =0 K w =10 2 K w =10 3 Figure 7: Mode shape of w at the base surface of the beam with various aspect ratios for the third mode frequency   2 3 , / 20 , / 2.5     p m L h K .