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Journal Articles

Interrogating the Lead-Up to a Critical Speed in Rotordynamics

Lawrence N. Virgin

J. Vib. Acoust. June 2022, 144(3): 031012.

Paper No: VIB-21-1090

DOI: https://doi.org/10.1115/1.4053190

Published Online: January 11, 2022

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Topics: Damping, Eigenvalues, Resonance, Rotordynamics, Steady state, Transients (Dynamics)

Proceedings Papers

On the Stability of Forced Radial Oscillations of an Experimental Spring Pendulum

Philip V. Bayly, Lawrence N. Virgin

Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Dynamics and Vibration of Time-Varying Systems and Structures, 229-236, September 19–22, 1993

Paper No: DETC1993-0110

DOI: https://doi.org/10.1115/DETC1993-0110

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Topics: Oscillations, Pendulums, Springs, Stability, Bifurcation, Excitation, Limit cycles, Poincaré maps, Resonance

Proceedings Papers

An Experimental Study of the Forced Response of Pre- and Post-Critical Plates

Kevin D. Murphy, Lawrence N. Virgin, Stephen A. Rizzi

Proc. ASME. DETC95, Volume 3A: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration of Nonlinear, Random, and Time-Varying Systems, 695-701, September 17–20, 1995

Paper No: DETC1995-0310

DOI: https://doi.org/10.1115/DETC1995-0310

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Topics: Plates (structures), Acoustics, Dynamic response, Excitation, Spectra (Spectroscopy), Stress, Time series, Vibration

Proceedings Papers

Experiments on a Rocking Block

William T. Fielder, Lawrence N. Virgin, Raymond H. Plaut

Proc. ASME. DETC95, Volume 3A: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration of Nonlinear, Random, and Time-Varying Systems, 781-786, September 17–20, 1995

Paper No: DETC1995-0319

DOI: https://doi.org/10.1115/DETC1995-0319

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Topics: Corners (Structural elements), Energy dissipation, Excitation, Gravity (Force), Modeling, Rocks, Rotation, Simulation results, Stability, Transients (Dynamics)

Journal Articles

Probing the Force Field to Identify Potential Energy

Yawen Xu, Lawrence N. Virgin

J. Appl. Mech. October 2019, 86(10): 101008.

Paper No: JAM-19-1248

DOI: https://doi.org/10.1115/1.4044305

Published Online: August 5, 2019

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Topics: Potential energy, Shapes, Stress, Equilibrium (Physics), Additive manufacturing

Journal Articles

A New Method for Predicting Critical Speeds in Rotordynamics

Lawrence N. Virgin, Josiah D. Knight, Raymond H. Plaut

J. Eng. Gas Turbines Power. February 2016, 138(2): 022504.

Paper No: GTP-15-1363

DOI: https://doi.org/10.1115/1.4031308

Published Online: September 1, 2015

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Topics: Disks, Rotors, Rotordynamics, Damping

Proceedings Papers

Nonlinear Behavior of a Magnetic Bearing System

Lawrence N. Virgin, Thomas F. Walsh, Josiah D. Knight

Proc. ASME. GT1994, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A041, June 13–16, 1994

Paper No: 94-GT-341

DOI: https://doi.org/10.1115/94-GT-341

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Topics: Magnetic bearings, Computer simulation, Degrees of freedom, Differential equations, Feedback, Free vibrations, Stability

Proceedings Papers

A Harmonic Balance Approximation of Dynamic Snap-Through Boundaries in a Single-Degree-of-Freedom Structure

Richard Wiebe, Lawrence N. Virgin

Proc. ASME. IDETC-CIE2013, Volume 7B: 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V07BT10A026, August 4–7, 2013

Paper No: DETC2013-12615

DOI: https://doi.org/10.1115/DETC2013-12615

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Topics: Approximation, Arches, Aerospace engineering, Aircraft, Buckling, Chaos, Civil engineering, Dynamic testing (Materials), Equilibrium (Physics), Oscillations

Journal Articles

Application of Continuation Methods to Uniaxially Loaded Postbuckled Plates

Theodore C. Lyman, Lawrence N. Virgin, R. Benjamin Davis

J. Appl. Mech. March 2014, 81(3): 031010.

Paper No: JAM-12-1486

DOI: https://doi.org/10.1115/1.4024672

Published Online: September 19, 2013

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Topics: Buckling, Deflection, Plates (structures), Stress, Boundary-value problems, Equilibrium (Physics), Bifurcation, Mode shapes

Proceedings Papers

On the Identification of Chaos From Frequency Content

Richard Wiebe, Lawrence N. Virgin

Proc. ASME. IDETC-CIE2011, Volume 4: 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A and B, 823-828, August 28–31, 2011

Paper No: DETC2011-47473

DOI: https://doi.org/10.1115/DETC2011-47473