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RISRheological Models for Stick-Slip Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Stick-slip is a complex phenomenon which has been studied by researchers from many points of view. A variety of engineering factors, such as surface roughness, may contribute to this behavior. ...
Forces Due to a Magnetic Dipole Near a Sliding Conductor: Applications to Magnetic Levitation and Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A conducting body moving with respect to a magnet experiences lift and drag forces from the eddy currents induced in the conductor. The force on the conductor is dependent on the relative ...
Rheological Models for Thin Film EHL Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rheological behavior in concentrated contacts has been studied extensively. In certain conditions such as a rough concentrated contact or sliding of nominally flat surfaces, films may be of ...
Stiffness and Damping of an Eddy Current Magnetic Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The perturbation method, aided by symbolic computation software, is employed to solve Maxwell’s equations to obtain theoretical predictions of forces and stiffness and damping coefficients for a ...
Granular Flow Lubrication: Continuum Modeling of Shear Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Because at extreme temperatures, conventional liquid lubrication breaks down, researchers have proposed using flows of solid particles as a lubricating mechanism. The particles may be powders, ...
The Phan-Thien and Tanner Model Applied to Thin Film Spherical Coordinates: Applications for Lubrication of Hip Joint Replacement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Phan-Thien and Tanner (PTT) model is one of the most widely used rheological models. It can properly describe the common characteristics of viscoelastic non-Newtonian fluids. There is evidence ...
A Continuum Description of Dense Granular Lubrication Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper applies a recent continuum theory due to and (2002, “ Continuum Theory of Partially Fluidized Granular Flows,” Phys. Rev. E, 65, p. 061303) for the dense granular flow of ...
Mechanism for Subambient Interfacial Pressures While Polishing With Liquids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper reports the results of a model for predicting the development of subambient pressures during the polishing of flat hard substrates by sliding against a compliant pad in the presence ...
On Squeeze Film Damping in Microsystems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Classical hydrodynamic lubrication theory has been one of the most successful and widely used theories in all of engineering and applied science. This theory predicts that the force resisting ...
Modeling of Magnetorheological Fluids by the Discrete Element Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Magnetorheological (MR) fluids are fluids whose properties vary in response to an applied magnetic field. Such fluids are typically composed of microscopic iron particles (~1-20μm diameter, 20-40% ...