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Optimal design approaches for adaptive structures: self-folding origami and metamaterials (Conference Presentation)

Smart materials and structures are enabling complex shape change in applications from self-folding origami to metamaterials. This presentation will focus on recent work on modeling and design optimization of self-folding origami actuated by electrostrictive terpolymer and magneto active elastomer materials. Since finite element analysis of these soft materials with large deformations due to multi-field actuation can be computationally intensive, the problem is decomposed into two stages. The first stage optimizes a computationally efficient reduced order rigid body model, while the second stage implements the full finite element analysis only to refine the features. Ongoing work in optimal design of metamaterials enabled by functionally graded superelastic NiTi will also be highlighted.