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Application of the Helmholtz Integral in Acoustics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The solution of an isoparametric, overdetermined formulation of the Helmholtz Integral is presented and demonstrated in three examples of acoustic radiation from spherical sources. The placement ...
Discussion: “Normal and Angular Motions at Rough Planar Contacts During Sliding With Friction” (Hess, D. P., and Soom, A., 1992, ASME J. Tribol., 114, pp. 567–578)
Publisher: The American Society of Mechanical Engineers (ASME)
Relation of Dry-Friction to Surface Roughness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A formulation of friction force in the interface of a friction pair is developed considering the mechanical components arising from the elastic and plastic deformations of the asperities and ...
Acoustic Radiation From Bending Waves of a Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the commonly used definition of acoustic “radiation efficiency” of a plate, it is assumed that the amplitude of a traveling harmonic wave on the plate is kept constant, independent of the ...
Effects of Viscous and Thermal Losses on Radiation from an Infinite Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is concerned with the behavior of sound radiation from bending waves of an infinite plate in a fluid with viscous and thermal losses. The radiation field variables are obtained ...
Radiation from Bending Waves in the Presence of a Flow Boundary Layer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of refraction by a flow boundary layer on the radiation of sound from a bending wave on a plate is investigated. Based on the relative velocities of the bending wave and the ...
Isolation of the Spectrograms and Rosettes of Insonified Sets of Submerged, Concentric, Thin Shells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The resonance features present, and observable, in the form-functions of submerged, fluid-filled, elastic, thin shells, usually appear combined with smooth, undesirable, background components that ...
A Theoretical Analysis of Transient Sound Radiation From a Clamped Circular Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theoretical analysis of transient sound radiation from a clamped circular plate is given using a pressure impulse response method. The vibration response of the plate to a transient point ...
A Theoretical and Experimental Investigation of Contact Loss in the Clearances of a Four-Bar Mechanism
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic behavior of a four-bar mechanism with a clearance at any one of its connections is described using a quasi-static model. Prediction of separation at the joints is based on the ...
Finite Element Model for Hysteretic Friction Damping of Traveling Wave Vibration in Axisymmetric Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A finite element method is developed to treat the steady-state vibration of two axisymmetric structures—a base substructure and an attached damper substructure—that are driven by traveling wave ...