Gradient piezoelectricity

Department of Mechanics

 

piezo1

Fig. 2: The ¼ model for the central crack

piezo3

Fig. 6   Size-effect of the strain-gradients on the crack-opening-displacement for a cracked piezoelectric square domain

 The strain-gradient size-factor, q,
piezo2

 

The constitutive equations (Hu and Shen, 2009)

piezo4piezo5piezo6