Finite Deformation Plate Theory for Wrinkling in Thin Electroelastic Sheets | J. Appl. Mech.
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New math shows how thin electrically-activated sheets wrinkle under voltage — a finite deformation plate theory that could unlock next-gen soft robotics and smart membranes.
Finite Deformation TheoryVariational MechanicsBuckling and Wrinkling InstabilityElectroelasticity
Theory Briefing
- A new O(h³) electroelastic plate theory is derived from a 3D variational formulation, capturing large deformations in dielectric sheets.
- The theory predicts wrinkling instabilities in thin films when electric fields are applied — a key challenge for soft actuator design.
- By linking electrostatic forces to mechanical buckling mechanics, the framework bridges classical plate theory with modern smart-material engineering.