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RISEffective Yield Criterion Accounting for Microvoid Coalescence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An effective yield function is derived for a porous ductile solid near a state of failure by microvoid coalescence. Homogenization theory combined with limit analysis are used to that end. A cylindrical cell is taken to ...
Special Issue: Alan Needleman Symposium: New Frontiers in the Mechanics of Materials Biographical Sketch of Alan Needleman (2015)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Alan Needleman obtained his Ph.D. from Harvard University in 1970, under supervision of Professor John Hutchinson. His first article, taken from his thesis, is on “Void growth in an Elastic–Plastic Medium†and was ...
Sand Transport in Nile River, Egypt
Publisher: American Society of Civil Engineers
Abstract: Measurements of bed-load and suspended-load transport rates were carried out successfully at four cross sections of the Nile River, in Egypt, along the entire length from Aswan to Cairo using a mechanical sampler called ...
Assessment of the Accumulation and Potential Toxicity of Polystyrene Microplastics in Rats
Publisher: American Society of Civil Engineers
Abstract: In recent years, there has been a significant amount of research conducted on microplastics (MPs) as emerging pollutants. These particles, which are < 5 mm in size, are the primary cause of environmental and aquatic ...