plastic-strain damage model
Calibration of a novel microstructural damage model for wire bonds
... of plastic strain. This builds up damage and results in bond degradation and eventual ...the damage accu- mulated during thermo mechanical fatigue under certain con- ditions ...the ...
6
A New 3D Empirical Plastic and Damage Model for Simulating the Failure of Concrete Structure
... The calibration of the material parameters often relies on monotonic stress–strain experimental curves. How- ever, this method results in a non-unique determina- tion of these material parameters. Therefore, based ...
18
Parameter Identification of a Stress Triaxiality-Dependent Plastic Damage Model for Concrete
... Studies on parameter identification of a plasticity-based damage constitutive model for concrete are presented in this paper. Differences between the stress-strain curves experimentally obtained and ...
7
A simple and efficient plasticity-fracture constitutive model for confined concrete
... a model by Imran and Pantazopoulou [1] in which damage is quantified by the volumetric expansion together with a non-associated flow ...the model proposed by Grassl et al. [2] which uses volumetric ...
12
A computational plastic–damage method for modeling the FRP strengthening of concrete arches
... concrete plastic-damage model to investigate the eect of FRP strengthening of reinforced concrete ...A plastic-damage model was utilized to capture the behavior of ...fracture ...
10
A Plastic Damage Model with Stress Triaxiality-Dependent Hardening
... It is observed that the experimental results of stress-strain curves of concrete-like materials are highly dependent on the stress triaxiality. In fact, phenomena of stress triaxiality dependency of the ...
14
Plastic Deformation and Damage Behaviors of Fe 18Cr 18Mn 0 63N High Nitrogen Austenitic Stainless Steel under Uniaxial Tension and Compression
... a model of crack nucleation and crack propagation to account for the brittle fracture behavior in the ...between plastic deformation features and strain rates is still seldom ...and damage ...
8
PLASTIC DEFORMATION AND EFFECTIVE STRAIN HARDENING
... shallow damage layer that prevents traditional bulk mechanical characterization methods from being ...irradiated damage is required to provide insight into the changes in yield stress, elastic modulus, and ...
192
Permanent Deformation Characterization of Asphalt Concrete Using a Viscoelastoplastic Model
... stress- strain-time relationship (or constitutive law); and (b) the material strength or failure ...elastic, plastic, viscoelastic and ...accumulated damage under ...
199
A non-ordinary state-based peridynamics formulation for thermoplastic fracture
... thermomechanical model to a NOSB-PD framework to use its ability to deal with ductile fracture ...by plastic work around the crack tip area causes thermal softening, shear banding and thermal damage ...
20
Effects of Ellipsoidal Corrosion Defects on Failure Pressure of Corroded Pipelines Based on Finite Element Analysis
... The structural response of steel pipeline is examined numerically using advanced computational tools[15]. An advanced general purpose finite element program ABAQUS is employed to simulate the mechanical behavior of ...
12
Influence of Hardened Surface on Low Cycle Fatigue Characteristics at Tension-compression and Bending
... As it was mentioned above, the width of hysteresis loop for anisotropic materials is larger in even semicycles than in uneven semicycles; therefore during the load of low cycle loading the material receives the increase ...
6
Numerical Analysis of Effect of Pin Tip Radius on Residual Stress Distribution in Ultrasonic Impact Treatment
... tensile strain generated on the surface is smaller than that generated in the interior region, the balance between the two generates a tensile elastic strain, and the stress state of the surface converts to ...
7
Relationship between the Reinforcement Size and Mechanical Properties of Zr Based Glassy Matrix Composites
... shear strain in metallic glass under an applied stress, unlike dislocation motion in crystalline alloys, is regarded as the deformation mechanism of metallic ...shear strain occurs when one shear ...
6
On the stress update algorithm of an advanced critical state elasto plastic model and the effect of yield function equation
... (MCC) model [18], through implicit and semi-implicit integration schemes, were investigated in ...MCC model even during large strain incre- ...the model [19]; and, in case of original Cam-Clay ...
11
Simulation of Solid Particle Impact Behavior for Spray Processes
... Figure 8 expresses the variation of critical velocity of a copper particle as a function of the particle initial temperature for the two types of substrate materials. The solid curve is for the copper substrate and the ...
6
Elasto Plasticity Behavior of High Strength Steel Sheet in Biaxial Stress Path Change
... with strain gauges bonded on a surface of the specimen. Besides the strain gauge measurement, the deformations of small circles stamped on the other side of the surface of the specimen were recorded by a ...
5
Static and Dynamic Analysis of a Concrete Shear-Wall
... The model of the concrete shear wall came from the previous report ...this model resulted in the 3 initial modes of the structure, which are similar to the modes of beam-stick model in that ...
7
A modified wavelet energy rate-based damage identification method for steel bridges
... structural damage identication has been introduced recently due to its capability of capturing the transient behavior of a signal and analyzing it in time and frequency domains, as investigated by several ...
21
Analysis of Fatigue Strain, Fatigue Modulus and Fatigue Damage for the Model Formulation of Concrete Based on Strain Life Approach
... permanent damage at fatigue failure has been documented by a number of ...fatigue damage model for ordinary concrete subjected to cyclic compression based on mechanics of composite ma- terials ...
33