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RISInternal Solitary Waves in an Atmosphere with Thermal Inversion
Publisher: American Meteorological Society
Abstract: This paper reports a study of solitary waves in a compressible atmosphere with a layer of cold air underneath a layer of warmer air of infinite height. The temperature of each layer is uniform. Two critical speeds and the ...
A Modified Closed Form Energy Based Framework for Fatigue Life Assessment for Aluminum 6061 T6—Damaging Energy Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A previously developed energy based high cycle fatigue (HCF) life assessment framework is modified to predict the low cycle fatigue (LCF) life of aluminum 6061T6. The fatigue life assessment model of this modified framework ...
An Energy Based Approach to Determine the Fatigue Strength and Ductility Parameters for Life Assessment of Turbine Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An energybased framework is developed to determine the fatigue strength parameters of the Basquin equation and the fatigue ductility parameters of the Manson–Coffin equation to predict high cycle fatigue (HCF) and low ...
A Modified Closed Form Energy Based Framework for Axial Isothermal Mechanical Fatigue Life Assessment for Aluminum 6061 T6
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present investigation, the applicability of a previously developed closed form energy based framework to predict low cycle fatigue (LCF) life of aluminum 6061T6 was extended from room temperature to elevated ...
A Robust Optimization Technique for Calculating Scaling Coefficients in an Energy Based Fatigue Life Prediction Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The energybased lifing method is based on the theory that the cumulative energy in all hysteresis loops of a specimens' lifetime is equal to the energy in a monotonic tension test. Based on this theory, fatigue life can ...
Prediction of Nonlinear Evolution of Fatigue Damage Accumulation From an Energy-Based Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An energy-based framework is developed for welded steel and AL6061-T6 for assessment of nonlinear evolution of fatigue damage accumulation along fatigue life. The framework involves interrogation at continuum using a newly ...
Strain Rate and Loading Waveform Effects on an Energy Based Fatigue Life Prediction for AL6061 T6
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The energybased lifing method is based on the theory that the cumulative energy in all hysteresis loops of a specimens' lifetime is equal to the energy in a monotonic tension test. Based on this theory, fatigue life can ...
A Comparison of Constitutive Equations for the Energy Based Lifing Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Alternatives to quasistatic and dynamic constitutive relationships have been investigated with respect to a previously developed energybased fatigue lifing method for various load profiles, which states: the total strain ...
Measurement of Hysteresis Energy Using Digital Image Correlation With Application to Energy-Based Fatigue Life Prediction
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: A modified experimental method using digital image correlation (DIC), a noncontact optical method for measuring full-field displacements and strains, is used to interrogate accumulated fatigue damage for low and high cycle ...