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RISFinite Duration Impacts With External Forces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work considers the effect of external forces during finite duration collisions using an incremental model of impact. The deformation of the “rigid” body is modeled through an elastic element ...
A New Regularization of Coulomb Friction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present a new regularization of Coulomb’s law of friction that permits a straight-forward incorporation of frictional forces within existing numerical simulations. Similar to existing regularizations, ...
Nonlinear Stability of Thermoelastic Sliding Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model for sliding contact of a thermoelastic rod is considered and is subjected to a multiple scales analysis to uncover its nonlinear behavior near a neutrally stable state. The analysis ...
Using Series-Series Iwan-Type Models for Understanding Joint Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In many structures of great engineering importance, such as air frames or jet engines, the primary source of vibration damping is often just the frictional damping of interfaces associated with ...
Global System Reduction Order Modeling for Localized Feature Inclusion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The development of reduced-order models remains an active research area, despite advances in computational resources. The present work develops a novel order-reduction approach that is designed to incorporate isolated ...
Special Issue on Energy Harvesting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With advances in low-power electronics, the cost and power requirements of many electronic devices have dropped significantly in recent years, thereby enabling their widespread deployment in, for ...
A Shell Description of Beams Incorporating Transverse Thickness Strain Energies for Receding Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The geometrically exact nonlinear deflection of a beamshell is considered here as an extension of the formulation derived by Libai and Simmonds (1998, The Nonlinear Theory of Elastic Shells, Cambridge University Press, ...
Sustained High Frequency Dynamic Instability of a Nonlinear System of Coupled Oscillators Forced by Single or Repeated Impulses: Theoretical and Experimental Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This report describes the impulsive dynamics of a system of two coupled oscillators with essential (nonlinearizable) stiffness nonlinearity. The system considered consists of a grounded weakly damped linear oscillator ...
Energy Harvesting From Impulsive Loads Using Intentional Essential Nonlinearities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Energy harvesting devices designed with intentional nonlinearities offer the possibility of increased performance under broadband excitations and realistic environmental conditions. This work considers ...
Comparing Linear and Essentially Nonlinear Vibration-Based Energy Harvesting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work considers the performance of a resonant vibration-based energy harvesting system utilizing a strongly nonlinear attachment. Typical designs serving as the basis for harvesting energy ...