Results 31 to 40 of about 8,834,308 (229)
Phase field methods and dislocations [PDF]
Acta Materialia, 2003 Abstract We present a general formalism for incorporating dislocations in Phase Field methods (PFM) based on the elastic equivalence between a dislocation loop and a platelet inclusion of specific stress-free strain. Dislocations may be elastically and dynamically coupled to any other field such as a concentration field.
D. Rodney, Y. Le Bouar, A. Finel
openaire +1 more source
Quantitative isothermal phase-field simulations of peritectic phase transformation in FeMn system
Journal of Materials Research and Technology, 2016 The present investigation shows quantitative results for the peritectic phase transformation of FeMn alloys utilizing phase-field simulations in 1-D and 2-D. The phase-field method used was based on an adaptation of the proposal of Folch and Plapp [Phys.
Celso Luiz Moraes Alves +3 more
doaj +1 more source
Fourier-Spectral Method for the Phase-Field Equations
Mathematics, 2020 In this paper, we review the Fourier-spectral method for some phase-field models: Allen–Cahn (AC), Cahn–Hilliard (CH), Swift–Hohenberg (SH), phase-field crystal (PFC), and molecular beam epitaxy (MBE) growth.
Sungha Yoon +6 more
doaj +1 more source
Simulating hydrogen embrittlement fracture based on phase field method
Xibei Gongye Daxue Xuebao, 2022 The phase field hydrogen embrittlement fracture model is improved by introducing tension-compression split of strain energy. The numerical formulas of the model are provided, besides, the coupling term of concentration field and displacement field is ...
CHEN Pengcheng +3 more
doaj +1 more source
Phase separation in fluids exposed to spatially periodic external fields [PDF]
, 2011 We consider the liquid-vapor type phase transition for fluids confined within spatially periodic external fields. For a fluid in d=3 dimensions, the periodic field induces an additional phase, characterized by large density modulations along the field ...
A. J. Archer +6 more
core +2 more sources
Phase-field method for epitaxial kinetics on surfaces [PDF]
The Journal of Chemical Physics, 2018 We present a procedure for simulating epitaxial growth based on the phase-field method. We consider a basic model in which growth is initiated by a flux of atoms onto a heated surface. The deposited atoms diffuse in the presence of this flux and eventually collide to form islands which grow and decay by the attachment and detachment of migrating atoms ...
Joel Posthuma de Boer +3 more
openaire +4 more sources
Application of phase-field method in rechargeable batteries
npj Computational Materials, 2020 Rechargeable batteries have a profound impact on our daily life so that it is urgent to capture the physical and chemical fundamentals affecting the operation and lifetime.
Qiao Wang +5 more
semanticscholar +1 more source
The Structure of the Aoki Phase at Weak Coupling [PDF]
, 2001 A new method to determine the phase diagram of certain lattice fermionic field theories in the weakly coupled regime is presented. This method involves a new type of weak coupling expansion which is multiplicative rather than additive in nature and ...
Kenna, R., Pinto, C., Sexton, J. C.
core +6 more sources
Phase Field Methods for Binary Recovery [PDF]
, 2014 We consider the inverse problem of recovering a binary function from blurred and noisy data. Such problems arise in many applications, for example image processing and optimal control of PDEs. Our formulation is based on the Mumford-Shah model, but with a phase field approximation to the perimeter regularisation.
Brett, Charles +2 more
openaire +2 more sources
Applied Sciences, 2018 Selective laser melting process has already been developed for many metallic materials, including steel, aluminum, and titanium. The quasistatic properties of these materials have been found to be comparable or even better than their conventionally ...
Shafaqat Siddique +4 more
doaj +1 more source