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Static Bending Stresses in Catenaries and Drill Strings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A limp string loaded only by its own weight has a nonlinear differential equation which may be integrated as two first-order equations with arc length parameter. If bending stiffness is also ...
Fatigue-Crack-Propagation Rates Under Random Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fatigue-crack-propagation rates have been measured for 2024-T3 aluminum cantilever beams in reversed bending under constant amplitude, two-level constant amplitude, and random excitations. For the ...
Nonlinear Material Damping for Nonsinusoidal Strain
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The damping in uniform and nonuniform cantilever beams was measured at resonance for a range of amplitudes of simultaneous steady-state first and second mode vibration. For two linear materials, ...
Equipment for Measuring Complex Moduli of Thin Coatings at Elevated Temperatures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Porcelain enamels are thin, inorganic, glassy coatings, extensively used to protect metal surfaces exposed to the corrosive and erosive effects of hot gases. They are known to increase the ...
Formulas for Natural Frequency and Mode Shape
Publisher: The American Society of Mechanical Engineers (ASME)
The Free Vibrations of Stiffened Drill Strings With Static Curvature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The natural frequencies of lateral vibration of a long drill string in static tension under its own weight are primarily the same as those of the equivalent catenary. These frequencies and ...
Stress Concentration Factors
Publisher: The American Society of Mechanical Engineers (ASME)
Modeling of Flow-Induced Vibrations in Heat Exchangers and Nuclear Reactors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper discusses the appropriate scaling factors for the modeling of the fluid-mechanical interaction of complex structures. The possible mechanisms of flow-excited vibration are described, and ...
Discussion: “Predicting the Stability of Long Vertical Pipe Transmitting Torque in a Viscous Medium” (Huang, Tseng, and Dareing, D. W., 1966, ASME J. Eng. Ind., 88, pp. 191–199)
Publisher: The American Society of Mechanical Engineers (ASME)
Balancing Flexible Rotors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method is presented for computing the size and angular location of the correction weights required in selected planes of rotation to balance a flexible shaft rotating at high speeds. It is ...