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RISAnalysis of Sinusoidal Interfacial Wrinkling of an Anisotropic Film Sandwiched Between Two Compliant Layers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When a stiff film is bonded to a compliant layer and meanwhile encapsulated by another compliant layer on top, the film may form wrinkles under applied compressive stress. Inspired by the recent development of foldable ...
Factor of Safety of Geosynthetic-Reinforced Slope in Unsaturated Soils
Publisher: American Society of Civil Engineers
Abstract: Matric suction tends to exert important effects on the stability of geosynthetic-reinforced soil slopes; however, it is usually neglected in the previously published literature. To quantitatively evaluate the increment in ...
Experimental Characterization of a Pump–Turbine in Pump Mode at Hump Instability Region
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The unsteady phenomena of a low specific speed pump–turbine operating in pump mode were characterized by dynamic pressure measurements and highspeed flow visualization of injected air bubbles. Analyses were carried out ...
Enhancing the Weak Signal With Arbitrary High-Frequency by Vibrational Resonance in Fractional-Order Duffing Oscillators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When the traditional vibrational resonance (VR) occurs in a nonlinear system, a weak character signal is enhanced by an appropriate high-frequency auxiliary signal. Here, for the harmonic character signal case, the frequency ...
Analysis of Dispersion Characteristics of an Infinite Cylindrical Shell Submerged in Viscous Fluids Considering Hydrostatic Pressure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In previous investigations of the vibroacoustic characteristics of a submerged cylindrical shell in a flow field, the fluid viscosity was usually ignored. In this paper, the effect of fluid viscosity on the vibrational ...
Prediction of Far-Field Sound Pressure of a Semisubmerged Cylindrical Shell With Low-Frequency Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A sound–structure interaction model is established to study the vibroacoustic characteristics of a semisubmerged cylindrical shell using the wave propagation approach (WPA). The fluid free surface effect is taken into ...
Three Dimensional Numerical Analysis of Turbulent Flow in Porous Media Formed by Periodic Arrays of Cubic, Spherical, or Ellipsoidal Particles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present paper, threedimensional (3D) turbulent flow in the porous media formed by periodic arrays of particles is numerically investigated. 3D Navier–Stokes equations and a standard kخµ turbulence model with ...
Self Lubricating and Wear Resistant Epoxy Composites Incorporated With Microencapsulated Wax
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Selflubricating and wear resistant epoxy composites were developed via incorporation of waxcontaining microcapsules. The effects of microcapsule size and content and working parameters on the tribological properties of ...
Bifurcation Transition and Nonlinear Response in a Fractional Order System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We extend a typical system that possesses a transcritical bifurcation to a fractionalorder version. The bifurcation and the resonance phenomenon in the considered system are investigated by both analytical and numerical ...
Anisotropic Permeability of Coal Subjected to Cyclic Loading and Unloading
Publisher: American Society of Civil Engineers
Abstract: An experimental investigation on the anisotropic permeability of coal under cyclic loading and unloading conditions is presented in this article. The results show that coal permeability decreases with increasing hydrostatic ...