Results 21 to 30 of about 392,892 (335)

Impact of rigid body and viscous-plastic rod of finite length [PDF]

open access: yesE3S Web of Conferences, 2023
The impact of a rigid body and a rod of finite length made of a viscoplastic incompressible material moving towards each other at constant velocity is studied in the article.
Begmatov Abduvali, Mamatova Nigora
doaj   +1 more source

Nonlinear Two-Phase Stefan Problem [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2007
In this paper we consider a nonlinear two-phase Stefan problem in one-dimensional space. The problem is mapped into a nonlinear Volterra integral equation for the free boundary.
K. Ivaz
doaj  

Ray methods for Free Boundary Problems [PDF]

open access: yes, 2005
We discuss the use of the WKB ansatz in a variety of parabolic problems involving a small parameter. We analyse the Stefan problem for small latent heat, the Black--Scholes problem for an American put option, and some nonlinear diffusion equations, in ...
Addison, J. A.   +2 more
core   +3 more sources

The nonlocal Stefan problem for quasilinear parabolic equation

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012
In this paper, we deal with free boundary problem with nonlocal boundary condition for quasilinear parabolic equation. For the solutions of the problem apriory estimates of Shauder's type are established.
J. O. Takhirov, R. N. Turaev
doaj   +3 more sources

Scaling theory for two-dimensional single domain growth driven by attachment of diffusing adsorbates

open access: yesNew Journal of Physics, 2019
Epitaxial growth methods are a key technology used in producing large-area thin films on substrates but as a result of various factors controlling growth processes the rational optimization of growth conditions is rather difficult.
Kazuhiko Seki
doaj   +1 more source

Optimal Control of the Multiphase Stefan Problem

open access: yes, 2017
We consider the inverse multiphase Stefan problem, where information on the heat flux on the fixed boundary is missing and must be found along with the temperature and free boundaries. Optimal control framework is pursued, where boundary heat flux is the
Abdulla, Ugur G., Poggi, Bruno
core   +1 more source

The scaling limit of polymer pinning dynamics and a one dimensional Stefan freezing problem [PDF]

open access: yes, 2012
We consider the stochastic evolution of a 1+1-dimensional interface (or polymer) in presence of a substrate. This stochastic process is a dynamical version of the homogeneous pinning model.
Lacoin, Hubert
core   +3 more sources

Development of a phase change model for volume-of-fluid method in OpenFOAM [PDF]

open access: yesJournal of Heat and Mass Transfer Research, 2016
In this present study, volume of fluid method in OpenFOAM open source CFD package will be extended to consider phase change phenomena with modified model due to condensation and boiling processes.
Mohammad Bahreini   +2 more
doaj   +1 more source

Energy conservation in the one-phase supercooled Stefan problem [PDF]

open access: yes, 2012
© . This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/A one-phase reduction of the one-dimensional two-phase supercooled Stefan problem is developed.
Font Clos, Francesc   +2 more
core   +2 more sources

A nonlocal one-phase Stefan problem that develops mushy regions [PDF]

open access: yes, 2011
We study a nonlocal version of the one-phase Stefan problem which develops mushy regions, even if they were not present initially, a model which can be of interest at the mesoscopic scale.
Brändle, Cristina   +2 more
core   +5 more sources

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