Exploring the Dynamic Transition from Aging to Additive Manufacturing: Investigating Microstructural Evolution of Metastable γ″ Precipitates in Inconel 625 through Coupled Phase‐Field Simulation
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DOI: 10.1002/adem.202402374
Abstract: This study investigates the microstructural evolution during the coprecipitation of metastable γ″ (D022‐Ni3Nb) particles within a supersaturated γ matrix in commercial IN625 Ni‐based superalloy. The research aims to comprehensively understand the morphological evolution and fraction… read more here.
Keywords: phase field; evolution; additive manufacturing;
Optimizing Piezoelectric Nanocomposites by High‐Throughput Phase‐Field Simulation and Machine Learning
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DOI: 10.1002/advs.202105550
Abstract: Piezoelectric nanocomposites with oxide fillers in a polymer matrix combine the merit of high piezoelectric response of the oxides and flexibility as well as biocompatibility of the polymers. Understanding the role of the choice of… read more here.
Keywords: field simulation; throughput phase; phase field; machine learning ... See more keywords
Phase-field boundary conditions for the voxel finite cell method: Surface-free stress analysis of CT-based bone structures.
Sign Up to like & getrecommendations! Published in 2017 at "International journal for numerical methods in biomedical engineering"
DOI: 10.1002/cnm.2880
Abstract: The voxel finite cell method uses unfitted finite element meshes and voxel quadrature rules to seamlessly transfer computed tomography data into patient-specific bone discretizations. The method, however, still requires the explicit parametrization of boundary surfaces… read more here.
Keywords: boundary conditions; field; phase field; voxel finite ... See more keywords
Comparison of Contact Angle Models in Two‐Phase Flow Simulations Using a Conservative Phase Field Equation
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DOI: 10.1002/fld.5352
Abstract: In phase field methods based on a second‐order Allen‐Cahn (AC) equation, contact angles are prescribed mostly via a geometric formulation. However, it is of great interest to utilize the surface‐energy formulation, which is often employed… read more here.
Keywords: equation; phase field; contact angle; contact ... See more keywords
About one unified description of the first‐ and second‐order phase transitions in the phase‐field crystal model
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DOI: 10.1002/mma.6801
Abstract: Modeling of crystal micro‐structures and their dynamics during fast phase transitions can be performed by the phase‐field crystal (PFC) model in the hyperbolic formulation (Modified Phase Field Crystal [MPFC] model). This method is suitable for… read more here.
Keywords: order; phase; field; phase transitions ... See more keywords
Analysis for a new phase‐field model with periodic boundary conditions
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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
An integrated sensitivity‐uncertainty quantification framework for stochastic phase‐field modeling of material damage
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DOI: 10.1002/nme.6581
Abstract: Correspondence *Mohsen Zayernouri, Department of Computational Mathematics, Science, and Engineering, Michigan State University, 428 S Shaw Ln, East Lansing, MI, 48824. Email: [email protected] Summary Materials accumulate energy around voids and defects under external loading, causing… read more here.
Keywords: field; stochastic phase; phase field; model ... See more keywords
A novel adaptive mesh refinement scheme for the simulation of phase‐field fracture using trimmed hexahedral meshes
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DOI: 10.1002/nme.6587
Abstract: In this article, a novel adaptive mesh refinement scheme based on trimmed hexahedral (TH) meshes is proposed to simulate phase‐field fracture in brittle materials. A regular hexahedral background mesh is adaptively refined using a balanced… read more here.
Keywords: field fracture; mesh refinement; phase; phase field ... See more keywords
A dissipation‐based path‐following technique for the phase‐field approach to brittle and ductile fracture
Sign Up to like & getrecommendations! Published in 2021 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6687
Abstract: This article presents a dissipation‐based path‐following technique for the phase‐field approach to brittle and ductile fracture. This technique allows computing the post‐peak response of solids loaded by external forces and snap‐backs in the softening stage.… read more here.
Keywords: based path; dissipation based; path; phase field ... See more keywords
On a novel full decoupling, linear, second‐order accurate, and unconditionally energy stable numerical scheme for the anisotropic phase‐field dendritic crystal growth model
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DOI: 10.1002/nme.6697
Abstract: The anisotropic phase‐field dendritic crystal growth model is a highly nonlinear system that couples the anisotropic Allen–Cahn equation and the thermal equation together. Due to the high anisotropy and nonlinear couplings in the system, how… read more here.
Keywords: energy; phase field; field dendritic; scheme ... See more keywords
A novel phase‐field based cohesive zone model for modeling interfacial failure in composites
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DOI: 10.1002/nme.6821
Abstract: The interface plays a critical role in the mechanical properties of composites. In the present work, a novel phase-field based cohesive zone model (CZM) is proposed for the cracking simulation. The competition and interaction between… read more here.
Keywords: field based; model; phase field; novel phase ... See more keywords