Journal
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Volume 116, Issue -, Pages 211-218Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijnonlinmec.2019.07.002
Keywords
MEMS; Geometrical stiffness; Resonators; Gyroscope
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We propose a simplified numerical technique to quantify the effects of non-linear stiffness in MEMS resonators and we validate our approach on a clamped-clamped beam, a softening Disk Ring Gyroscope (DRG) and a shallow arch showing internal resonance. We generate a Reduced Order Model (ROM) which is integrated with either a direct integration approach or a continuation technique with arc length control. Finally we compare and validate the results with a full FEM model.
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