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A Frequency-Domain Suboptimal Controller Design Methodology for Linear Time-Invariant Systems With Controller Structural Constraints
Publisher: The American Society of Mechanical Engineers (ASME)
Parametric Instability of Axially Moving Media Subjected to Multifrequency Tension and Speed Fluctuations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work investigates the stability of axially moving media subjected to parametric excitation resulting from tension and translation speed oscillations. Each of these excitation sources has ...
Assessing the Impact of Irrigation Return Flow on River Salinity for Colorado’s Arkansas River Valley
Publisher: American Society of Civil Engineers
Abstract: A river salinity model has been developed on the 21 major canal areas in the lower Arkansas River Basin in Colorado to address the impact of irrigation return flow on the river. The quantity of the return flow is predicted ...
Hertzian Damping, Tooth Friction and Bending Elasticity in Gear Impact Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This investigation presents an analytical and computer-aided study on the dynamics of meshing gears with backlash. Based on the rotary gear impact model of Yang and Sun, a modified model with ...
A Coupled Finite Element Model of Thermo-Elastic-Plastic Large Deformation for Orthogonal Cutting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a coupled model of the thermo-elastic-plastic material under large deformation for orthogonal cutting is constructed. A chip separation criterion based on the critical value of ...
Thermo-Viscoelastic Response of Graphite/Epoxy Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thermo-viscoleastic behavior of composite materials is studied analytically using a special finite-element formulation. Numerical results on stress and deformation histories are obtained for ...
A New Method for the Optimization of a Vibration Isolation System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Formerly the optimization of the passive vibration isolator is mainly founded on the nonlinear programming algorithms. The methods are iterative in nature and time-consuming. In this paper a ...
The Prediction of Substructure and System Modes by the Extended Complex Mode Indication Function
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Yee and Tsuei (1989) developed the Modal Force Technique (MFT) as a tool for component synthesis. The approach utilizes the frequency response functions at connecting joints to predict the ...
Three-Dimensional Dynamic Simulation of Helical Compression Springs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic equations for general helical springs are solved and classified according to the number of energy terms used to formulate them. Solutions of several sets of dynamic equations, each ...
Strain Concentration Calculation of Fatigue
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: On the basis of the authors’ rule of sliding to transform elastic solution to plastic in a previous paper, a new method of calculating fatigue is developed by using ordinary relaxation methods ...