Interdigital Piezopolymer Transducers for Time of Flight Measurements with Ultrasonic Lamb Waves on Carbon-Epoxy Composites under Pure Bending Stress

Figure 1

(a) Pure bending on 4 points (A, B, C, and D) applied to a thin plate:  mm,  mm, and  mm and is the applied force in direction; (b) bending moment and longitudinal deformation . We assumed as being proportional to .

(a)

(b)