Optimizing Piezoelectric Nanocomposites by High‐Throughput Phase‐Field Simulation and Machine Learning
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
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
About one unified description of the first‐ and second‐order phase transitions in the phase‐field crystal model
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Methods in the Applied Sciences"
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
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
An integrated sensitivity‐uncertainty quantification framework for stochastic phase‐field modeling of material damage
Sign Up to like & getrecommendations! Published in 2020 at "International Journal for Numerical Methods in Engineering"
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
Sign Up to like & getrecommendations! Published in 2020 at "International Journal for Numerical Methods in Engineering"
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
Sign Up to like & getrecommendations! Published in 2021 at "International Journal for Numerical Methods in Engineering"
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
Sign Up to like & getrecommendations! Published in 2021 at "International Journal for Numerical Methods in Engineering"
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
Study on the Transformation Mechanism of Twinning Martensite and the Growth Behavior of Variants Based on Phase‐Field Method
Sign Up to like & getrecommendations! Published in 2020 at "steel research international"
DOI: 10.1002/srin.202000142
Abstract: Martensite is a common metallographic structure. Accurately revealing the objective law of the martensite transformation process is of great significance for controlling material organization and design materials. Herein, based on the phase‐field method, a 3D… read more here.
Keywords: phase field; growth; transformation; martensite transformation ... See more keywords
Multi-phase field topology optimization of polycrystalline microstructure for maximizing heat conductivity
Sign Up to like & getrecommendations! Published in 2018 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-018-1965-8
Abstract: The present study proposes multi-scale topology optimization for polycrystalline microstructures applying a multi-phase field method. The objective function is to maximize the heat compliance of macrostructure and the equality constraint is the material volume of… read more here.
Keywords: heat; topology; phase field; optimization ... See more keywords