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RISA Thermodynamic Consistent Model for Coupled Strain Gradient Plasticity With Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mechanical responses of small volume metallic compounds are addressed in this work through developing a nonlocal continuum theory. In this regard, a thermodynamicbased higherorder straingradient plasticity framework ...
Overview of Enhanced Continuum Theories for Thermal and Mechanical Responses of the Microsystems in the Fast Transient Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The recently growing demand for production and applications of microscale devices and systems has motivated research on the behavior of small volume materials. The computational models have become one of great interests ...
Higher-Order Thermomechanical Gradient Plasticity Model With Energetic and Dissipative Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thermodynamically consistent framework accounting for the thermomechanical behavior of the microstructure is addressed using the finite-element implementation. In particular, two different classes of the strain gradient ...
Decomposition of Elastic Stiffness Degradation in Continuum Damage Mechanics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The degradation of elastic stiffness is investigated systematically within the framework of continuum damage mechanics. Consistent equations are obtained showing how the degradation of elastic stiffness can be decomposed ...
On the Theory of Elastic Undamageable Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, both the concepts of Voyiadjis–Kattan materials and undamageable materials are introduced. The Voyiadjis–Kattan material of order n is defined as a nonlinear elastic material that has a higherorder strain ...
Cyclic Viscoplastic Viscodamage Analysis of Shape Memory Polymers Fibers With Application to Self Healing Smart Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The colddrawn, programmed shape memory polymer (SMP) fibers show excellent stress recovery property, which promotes their application as mechanical actuators in smart material systems. A full understanding of the ...
Coupled Thermomechanical Modeling of Small Volume FCC Metals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mechanical and thermal behavior of small volume metallic compounds on the fast transient time are addressed in this work through developing a thermodynamically consistent nonlocal framework. In this regard, an enhanced ...
A Plasticity Model for Metals With Dependency on All the Stress Invariants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent experiments on metals have shown that all of the stress invariants should be involved in the constitutive description of the material in plasticity. In this paper, a plasticity model for metals is defined for isotropic ...
Dynamic Localizations in HSLA 65 and DH 36 Structural Steel at Elevated Temperatures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study addresses the problem of dynamic strain localization in two steel alloys; HSLA65 and DH36 at elevated temperatures. It aims at understanding the adiabatic deformation of high strength structural steel by performing ...
An Indirect Indentation Method for Evaluating the Linear Viscoelastic Properties of the Brain Tissue
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Indentation experiments offer a robust, fast, and repeatable testing method for evaluating the mechanical properties of the solid-state materials in a wide stiffness range. With the advantage of requiring a minimal sample ...