Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: Analytical approximation of the static configurations: the stable and unstable ones are, respectively, the solid and dashed line

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: The total potential energy V(a)

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: Schematic of the MEMS device

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: Bifurcation diagram of the maximum static deflection vs(0.5) versus the axial load n, at VDC=1.2 V. Stable and unstable branches are, respectively, the solid and dashed lines.

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: Bifurcation diagram of the maximum static deflection vs(0.5) versus the electrostatic voltage VDC, at n=60. Stable and unstable branches are, respectively, the solid and dashed lines.

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: First mode shape around the upper (— —) and the lower (---) stable equilibrium and the unstable (------) equilibrium between the two wells

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: (a) The total potential energy V(Y) and (b) the electric potential Ve(Y). The numerical evaluation is in gray dots and the analytical Padé approximation is the black line.

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: Attractor-basins phase portrait at Ω = 12 and VAC=3.5 V

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: Frequency response diagrams at VAC=14 V

Date of download: 12/20/2017 Copyright © ASME. All rights reserved. From: An Efficient Reduced-Order Model to Investigate the Behavior of an Imperfect Microbeam Under Axial Load and Electric Excitation J. Comput. Nonlinear Dynam. 2012;8(1):011014-011014-9. doi:10.1115/1.4006838 Figure Legend: Frequency response diagram at VAC=3.5 V. Attractors A, B, and C are, respectively, the black, blue, and green line.