Figure 9. The normalized differences obtained between the natural frequencies determined analyt- Figure 9. The normalized differences obtained between the natural frequencies determined an- ically and by means of FEM for the cantilever beam with a transverse crack: ( a ) Damage scenario alytically and by means of FEM for the cantilever beam with a transverse crack: ( a ) Damage C(0.2, 125, 0); ( b ) Damage scenario C(0.2, 489, 0); ( c ) Damage scenario C(1, 125, 0); ( d ) Damage sce- scenario C(0.2, 125, 0); ( b ) Damage scenario C(0.2, 489, 0); ( c ) Damage scenario C(1, 125, 0); ( d ) Dam- nario C(1, 489, 0); ( e ) Damage scenario C(1.6, 125, 0); ( f ) Damage scenario C(1.6, 489, 0). age scenario C(1, 489, 0); ( e ) Damage scenario C(1.6, 125, 0); ( f ) Damage scenario C(1.6, 489,