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RISThe Effect of Graded Strength on Damage Propagation in Continuously Nonhomogeneous Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A damage model developed by Johnson and Holmquist is implemented into a dynamic finite element code. This is then used to study the effect of grading of the phenomenological damage parameters ...
Survey of Stress Analyses of the Femoral Hip Prosthesis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The finite element method has been used to analyze hip prostheses for the past 25+ years and has proven to be quite effective. The use of finite element analysis, initially, was restricted ...
Stress-Strain Behavior of Perfluorosulfonic Acid Membranes at Various Temperatures and Humidities: Experiments and Phenomenological Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The constitutive response of perfluorinated sulfonic acid (PFSA) membranes based on tensile testing is investigated, and a phenomenological constitutive model for the elastoplastic flow behavior ...
Stresses in Proton Exchange Membranes Due to Hygro-Thermal Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Durability of the proton exchange membrane (PEM) is a major technical barrier to the commercial viability of polymer electrolyte membrane fuel cells (PEMFC) for stationary and transportation ...