Results 31 to 40 of about 8,007,372 (244)

Interface Properties in Binary Fluid Using Lattice Boltzmann Method

open access: yesFrontiers in Earth Science, 2021
Emulsified behaviors are of importance for chemical flooding. Properties of emulsifiers relate droplets coalescence and transport. Since experiments do not provide access to observables of interest.
Xiaoqi Li, Jichao Fang, Bingyu Ji
doaj   +1 more source

Phase-field crystal model for heterostructures [PDF]

open access: yesPhysical Review B, 2019
Atomically thin 2-dimensional heterostructures are a promising, novel class of materials with groundbreaking properties. The possiblity of choosing the many constituent components and their proportions allows optimizing these materials to specific requirements.
Heinonen, Vili   +6 more
openaire   +3 more sources

A phase-field model for mixed-mode fracture based on a unified tensile fracture criterion

open access: yesComputer Methods in Applied Mechanics and Engineering, 2020
Different fracture patterns can be observed because of different material properties, even the geometry and loading are the same. However, most of the known phase-field fracture models have only considered the tensile failure and may not be directly ...
Qiao Wang   +4 more
semanticscholar   +1 more source

A phase-field model of frictional shear fracture in geologic materials

open access: yes, 2020
Geologic shear fractures such as faults and slip surfaces involve marked friction along the discontinuities as they are subjected to significant confining pressures.
F. Fei, J. Choo
semanticscholar   +1 more source

Phase-Field Models with Hysteresis

open access: yesJournal of Mathematical Analysis and Applications, 2000
Phase-field systems as mathematical models for phase transitions have drawn increasing attention in recent years. However, while capable of capturing many of the experimentally observed phenomena, they are only of restricted value in modelling hysteresis effects occurring during phase transition processes. To overcome this shortcoming of existing phase-
Sprekels, Jürgen, Krejčí, Pavel
openaire   +4 more sources

An efficient phase-field model for fatigue fracture in ductile materials [PDF]

open access: yesEngineering Fracture Mechanics, 2019
Fatigue fracture in ductile materials, e. g. metals, is caused by cyclic plasticity. Especially regarding the high numbers of load cycles, plastic material models resolving the full loading path are computationally very demanding.
M. Seiler   +3 more
semanticscholar   +1 more source

A phase-field model of thermo-elastic coupled brittle fracture with explicit time integration

open access: yes, 2020
The phase-field method is a very effective way to simulate arbitrary crack nucleation, propagation, bifurcation, and the formation of complex crack networks. The diffusion-based method is suitable for multi-field coupling fracture problems. In this paper,
Tao Wang   +5 more
semanticscholar   +1 more source

Kinetic cross coupling between non-conserved and conserved fields in phase field models [PDF]

open access: yes, 2012
We present a phase field model for isothermal transformations of two component alloys that includes Onsager kinetic cross coupling between the non-conserved phase field and the conserved concentration field.
Efim A. Brener   +4 more
core   +2 more sources

Microstructure Evolution in a Solid Oxide Fuel Cell Stack Quantified with Interfacial Free Energy

open access: yesEnergies, 2021
Degradation of electrode microstructure is one of the key factors affecting long term performance of Solid Oxide Fuel Cell systems. Evolution of a multiphase system can be described quantitatively by the change in its interfacial energy.
Tomasz A. Prokop   +2 more
doaj   +1 more source

A temperature-dependent phase-field model for phase separation and damage [PDF]

open access: yes, 2015
In this paper we study a model for phase separation and damage in thermoviscoelastic materials. The main novelty of the paper consists in the fact that, in contrast with previous works in the literature (cf., e.g., [C. Heinemann, C.
Heinemann, C.   +3 more
core   +3 more sources

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