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Nonuniform Stress Field Determination Based on Deformation Measurement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this investigation, we demonstrate a technique that, under certain circumstances, will determine stresses associated with a nonuniform deformation field without knowing the detailed constitutive behavior of the deforming ...
Effect of Substrate Compliance on Measuring Delamination Properties of Elastic Thin Foil
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Through the analysis of a model problem, a thin elastic plate bonded to an elastic foundation, we address several issues related to the miniature bulge test for measuring the energy-release rate associated with the interfacial ...
A Computational Efficient Approach to Compute Temperature for Energy Beam Additive Manufacturing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Temperature history prediction is essential for a better understanding of the relationship between microstructural change and processing conditions for energy beam additive manufacturing fabricated components. Here, a new ...
Crack Initiation and Growth in PBX 9502 High Explosive Subject to Compression
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Brittle and quasibrittle solids, when subject to compression, fail by the development of microcracks that originate from heterogeneity. Lateral confinement has been shown to affect the failure pattern of the testing specimen, ...
Laser Induced Chemical Deposition of Ferrihydrite Nanotubes: Exploring Growth Rate and Crystal Structure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is one of three papers exploring and confirming a novel high rate nanomanufacturing method using laser to induce and accelerate chemical synthesis and deposition of nanotubes. We have shown elsewhere that the ...
Computational Isotropic-Workhardening Rate-Independent Elastoplasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel formulation for elastoplasticity has been recently proposed by Liu and Hong. These authors have explored the internal symmetry of the constitutive model for perfect plasticity to ensure that the consistency condition ...
Dislocation Density and Grain Size Evolution in the Machining of Al6061 T6 Alloys
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study focuses on addressing the severe plastic deformation (SPD) behavior and the effects of machining parameters on microstructure alternations in machined surface created from highspeed machining. A finite element ...
Turbulence and Dispersion Studies Using a Three-Dimensional Second-Order Closure Eulerian Model
Publisher: American Meteorological Society
Abstract: A three-dimensional second-order closure meteorological and pollutant dispersion model is developed, and the computed results are evaluated. A finite-element method is used to solve the governing equations because of its ...
An Iterative Algorithm for Objective Wind Field Analysis
Publisher: American Meteorological Society
Abstract: A wind field interpolated from a limited supply of observed data often implies a specific field of divergence, or a violation of the conservation of mass. To minimize the divergence, various objective analyses have been ...
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