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RISA New Approach for Single Crystal Materials Analysis: Theory and Application to Initial Yielding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new approach used for single crystal (SC) materials analysis is described. Its principle is based on the extension of predictive models for isotropic material behavior to anisotropic materials ...
Comparison of Viscoelastic Models in Simulating the Transient Response of a Slewing Polymer Arm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we analyze the transient behavior of a polymethylmethacrylate (PMMA) slewing beam. Experimental data shows that the Young’s modulus of PMMA varies considerably between 0 and 50 ...
Viscoplastic Constitutive Modeling of High Strain-Rate Deformation, Material Damage, and Spall Fracture
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Perzyna viscoplastic constitutive theory, which contains a scalar variable for description of material damage, is used to study material behavior at high strain rates. The damage parameter ...