Fig. 2: Electromechanical model of micro-slotted dielectric elastomer bending actuators (MSDEBAs).
From: A tunable acoustic absorber using reconfigurable dielectric elastomer actuated petals
One-quarter of the symmetrical unit (in blue) showing is just an extraction of the rectangular unimorph at: (a) inactive state; (b) activated states; (c) f–f’ cross-sectional side view of the bilayer unimorph. (note: L is the height of the triangular petal assuming fixed side as the base, R is the radius of curvature of the activated petal, d is the slit-width, E1, v1 and t1 are the Elastic modulus, Poisson’s ratio and thickness of dielectric elastomer; E2, v2 and t2 are the same for Polyethylene terephthalate (PET) films).
