Analysis for a new phase‐field model with periodic boundary conditions
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.6982
Abstract: This article is concerned with an initial‐boundary value problem (IBVP) for a new phase‐field model describing the evolution of structural phase transition in elastically deformable solid materials. The model consists of an elliptic‐parabolic system in… read more here.
Keywords: phase; field; phase field; new phase ... See more keywords
A phase-field model for anisotropic brittle fracturing of piezoelectric ceramics
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DOI: 10.1007/s10704-019-00391-9
Abstract: Piezoelectric ceramics are inherently brittle materials that show electromechanical coupling under electrical and mechanical stimuli. In the last decades piezoelectric materials have garnered significant attention due to their established applications as sensors and actuators. In… read more here.
Keywords: model anisotropic; phase field; piezoelectric ceramics; field model ... See more keywords
A Multi-phase Field Model for Static Recrystallization of Hot Deformed Austenite in a C–Mn Steel
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DOI: 10.1007/s40195-017-0595-2
Abstract: A multi-phase-field model has been developed to simulate the microstructure evolution and kinetics of the austenite static recrystallization (SRX) in a C–Mn steel. In this model, the bulk free energy that coupling the deformation stored… read more here.
Keywords: recrystallization; phase field; deformation; model ... See more keywords
Prediction of mushy zone permeability of Al-4.5wt%Cu alloy during solidification by phase field model and CFD simulation
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DOI: 10.1007/s41230-019-9039-0
Abstract: Liquid permeability of the mushy zone is important for porosity formation during the solidification process. In order to investigate the permeability of the mushy zone, an integrated model was developed by combining the phase field… read more here.
Keywords: phase field; solidification; permeability; model ... See more keywords
Unconditionally energy stable large time stepping method for the L2-gradient flow based ternary phase-field model with precise nonlocal volume conservation
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DOI: 10.1016/j.cma.2019.112743
Abstract: Abstract We consider numerical approximations for solving a new, Allen–Cahn type ternary phase-field model. We first formulate a phase-field model from an energetic variational formulation based on the L 2 -gradient flow and add three… read more here.
Keywords: volume; phase; phase field; field model ... See more keywords
A ductile phase-field model based on degrading the fracture toughness: Theory and implementation at small strain
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DOI: 10.1016/j.cma.2020.113068
Abstract: Abstract A reliable prediction of structural failure is extremely important in industrial applications. The promising phase-field model has been intensively studied in fracture simulation and been validated by experiments to effectively predict crack initiation, propagation… read more here.
Keywords: strain; phase field; field model; fracture ... See more keywords
A phase-field model of frictional shear fracture in geologic materials
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DOI: 10.1016/j.cma.2020.113265
Abstract: Abstract Geologic shear fractures such as faults and slip surfaces involve marked friction along the discontinuities as they are subjected to significant confining pressures. This friction plays a critical role in the growth of these… read more here.
Keywords: shear fracture; phase field; field model; fracture ... See more keywords
Energetics of heterogeneous Mg {101¯2} deformation twinning migration using an atomistically informed phase-field model
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DOI: 10.1016/j.commatsci.2020.109907
Abstract: Abstract We have constructed an atomistically informed phase-field model for the quantitative energetic analysis of phase transformations. In our model, to describe the general phase transformation with a non-linear correlation between displacive and diffusive modes,… read more here.
Keywords: migration; model; phase field; field model ... See more keywords
A phase-field model for strength and fracture analyses of fiber-reinforced composites
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DOI: 10.1016/j.compscitech.2018.10.031
Abstract: Abstract A phase-field model for brittle fracture is proposed and evaluated for strength and fracture analyses of composites. In addition to the elastic properties, this approach makes use of only the fracture toughness and the… read more here.
Keywords: phase field; field; strength fracture; field model ... See more keywords
A phase field model for simulating the stress corrosion cracking initiated from pits
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DOI: 10.1016/j.corsci.2017.06.006
Abstract: Abstract This manuscript presents a new phase field model for simulating the stress corrosion cracking (SCC) phenomenon in metallic materials. To derive the phase field governing equations, the film rupture-dissolution-repassivation model is adopted as the… read more here.
Keywords: model simulating; field; phase field; model ... See more keywords
Application of discrete solvent reaction field model with self-consistent atomic charges and atomic polarizabilities to calculate the χ(1) and χ(2) of organic molecular crystals
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DOI: 10.1016/j.cplett.2017.10.036
Abstract: Abstract We use the discrete solvent reaction field model to evaluate the linear and second-order nonlinear optical susceptibilities of 3-methyl-4-nitropyridine-1-oxyde crystal. In this approach, crystal environment is created by supercell architecture. A self-consistent procedure is… read more here.
Keywords: reaction field; solvent reaction; discrete solvent; self consistent ... See more keywords