Mechanics of Buckled Structure MEMS for Actuation and Energy Harvesting Applications
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Buckled structures offer many great benefits to microelectromechanical systems (MEMS), using naturally occurring residual stresses to provide structures with switchable stable states capable of large transverse deflections. In this work a simple, circular bi-layer diaphragm style of buckled MEMS devices is discussed. The buckling behavior of the system, including buckling height and switching criteria, is modeled and analyzed in ANSYS, then compared with theoretical equations and experimental measurements. Results of this work will help to yield optimal design parameters for both energy harvesting and actuation MEMS applications.
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2016 ◽
Vol 87
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pp. 102-111
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