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RISExact Nonlinear Dynamic Analysis of a Beam With a Nonlinear Vibration Absorber and With Various Boundary Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We study the nonlinear vibration of a beam with an attached grounded and ungrounded nonlinear vibration absorber (NVA) using the exact natural frequencies and mode shapes of the loaded beam. The nonlinearity in the beam ...
Multibody Analysis and Control of a Full-Wrist Exoskeleton for Tremor Alleviation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Uncontrollable shaking in the human wrist, caused by pathological tremor, can significantly undermine the power and accuracy in object manipulation. In this paper, the design of a tremor alleviating wrist exoskeleton (TAWE) ...
Broadband Electromechanical Diode: Acoustic Non-Reciprocity in Weakly Nonlinear Metamaterials With Electromechanical Resonators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent attention has been given to acoustic non-reciprocity in metamaterials with nonlinearity. However, the study of asymmetric wave propagation has been limited to mechanical diodes only. Prior works on electromechanical ...
On a Nonlinear Locally Resonant Metamaterial With Resistance-Inductance Shunt
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerous recent works have established the potential of various types of metamaterials for simultaneous vibration control and energy harvesting. In this paper, we investigate a weakly nonlinear metamaterial with electromechanical ...
Nonlinear Vibrations Analysis of Overhead Power Lines: A Beam With Mass–Spring–Damper–Mass Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper examines the nonlinear vibration of a single conductor with Stockbridge dampers. The conductor is modeled as a simply supported beam and the Stockbridge damper is reduced to a mass–spring–damper–mass system. The ...
Vibration Analysis of a Nonlinear Absorber Coupled to a Hand-Held Impact Machine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Exposure of human hands to harmful levels of vibration can lead to severe injuries. To attenuate these hand transmitted vibrations, a nonlinear vibration absorber inerter (NVAI) is proposed in this work. The proposed NVAI ...
Spectro-Spatial Wave Features in Nonlinear Metamaterials: Theoretical and Computational Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Considerable attention has been given to nonlinear metamaterials because they offer some interesting phenomena such as solitons, frequency shifts, and tunable bandgaps. However, only little is known about the spectro-spatial ...
Hand Vibration Reduction Using Nonlinear Vibration Absorber for the Vibro-Impact Hammer Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work investigates the effectiveness of a passive vibration control device to minimize the amplitude of vibrations from a hand-held impact machine (HHIM) transmitted to a hand-arm system (HAS). For this purpose, we ...
Stability and Bifurcation Analysis of Precision Motion Stage With Nonlinear Friction Isolator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The application of servocontrolled mechanical-bearing-based precision motion stages (MBMS) is well-established in advanced manufacturing, semiconductor industries, and metrological applications. Nevertheless, the performance ...
Introduction of Local Resonators to a Nonlinear Metamaterial With Topological Features
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent work in nonlinear topological metamaterials has revealed many useful properties such as amplitude dependent localized vibration modes and nonreciprocal wave propagation. However, thus far, there have not been any ...