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Vortex-Induced Vibrations Based Energy Harvester: Reduced-Order Modeling, System Dynamics, and Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Oscillations of a bluff body comprised of a cylinder attached with a piezoelastic cantilever are considered in this work. An extended reduced-order model is presented for studying the dynamics and energy harvesting ...
Hopf Instabilities in Free Piston Stirling Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Free piston Stirling engines (FPSEs) are examples of closed cycle regenerative engines, which can be used to convert thermal energy into mechanical energy. These engines are multidegreeoffreedom dynamical systems, which ...
Computationally Efficient Simulations of Stochastically Perturbed Nonlinear Dynamical Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A probabilistic approach is needed to address systems with uncertainties arising in natural processes and engineering applications. For computational convenience, however, the stochastic effects are often ignored. Thus, ...
Nonlinear Vibration Attenuation Via Stochastic Response Modification
Publisher: The American Society of Mechanical Engineers (ASME)
Continuum Modeling and Simulation of Robotic Appendage Interaction With Granular Material
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Legged locomotion has advantages when one is navigating a flowable ground or a terrain with obstacles that are common in nature. With traditional terra-mechanics, one can capture large wheel–terrain interactions. However, ...
In Memoriam: Linda Catherine Schmidt
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Professor Linda Schmidt, a pioneering leader in engineering design research and education, passed away on Mar. 12, 2021.She was born in Blue Island, Illinois, on Nov. 27, 1958, and received her B.S. degree (1989) and M.S. ...
Acoustic Backscattering-Based Radius and Thickness Estimation for Thin to Thick Cylindrical Shells Submerged in Water
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. By transmitting acoustic waves and analyzing the wave reflections from underwater objects, one can extract object information. A common method for estimating the radius of thin shells involves the use of the ...
State Dependent Delay Influenced Drill String Oscillations and Stability Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the authors present a discrete system model to study the coupled axial–torsional dynamics of a drill string. The model is developed taking into account statedependent time delay and nonlinearities due to ...
Draft: Stick Slip Motions of a Rotor Stator System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the current study, the authors examine the torsional vibrations of a rotor enclosed within a stator subjected to dry friction. Through the experiments, it is demonstrated that forward whirling of the rotor occurs while ...
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