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This paper presents the control design of the two-phase Stefan problem. The two-phase Stefan problem is a representative model of liquid-solid phase transition by describing the time evolutions of the temperature profile which is divided by…

Optimization and Control · Mathematics 2019-05-31 Shumon Koga , Miroslav Krstic

In this article it is proved the existence of similarity solutions for a one-phase Stefan problem with temperature-dependent thermal conductivity and a Robin condition at the fixed face. The temperature distribution is obtained through a…

Analysis of PDEs · Mathematics 2017-06-22 Andrea N. Ceretani , Natalia N. Salva , Domingo A. Tarzia

We study self-similar solutions of a multi-phase Stefan problem for a heat equation on the half-line $x>0$ with a constant initial data and with Dirichlet or Neumann boundary conditions. In the case of Dirichlet boundary condition we prove…

Analysis of PDEs · Mathematics 2024-05-22 E. Yu. Panov

Motivated by the numerical investigation by Aoki et al. [1], we study a rarefied gas flow between two parallel infinite plates of the same temperature governed by the Boltzmann equation with diffuse reflection boundaries, where one plate is…

Analysis of PDEs · Mathematics 2024-12-02 Renjun Duan , Zhu Zhang

Isothermal compressible two-phase flows in a capillary are modeled with and without phase transition in the presence of gravity, employing Darcy's law for the velocity field. It is shown that the resulting systems are thermodynamically…

Analysis of PDEs · Mathematics 2018-07-09 Jan Pruess , Gieri Simonett , Mathias Wilke

A one-dimensional fractional one-phase Stefan problem with a temperature boundary condition at the fixed face is considered. An integral relationship between the temperature and the free boundary is obtained which is equivalent to the…

Analysis of PDEs · Mathematics 2018-10-25 Sabrina Roscani , Domingo Tarzia

We consider a lattice regularization for an ill-posed diffusion equation with trilinear constitutive law and study the dynamics of phase interfaces in the parabolic scaling limit. Our main result guarantees for a certain class of…

Analysis of PDEs · Mathematics 2020-03-13 Michael Helmers , Michael Herrmann

The computer simulation of quasistationary Stefan problem has been realized. Different representations of the Laplacian growth model are considered. The main attention has been paid for the interface dynamics represented by integro…

Adaptation and Self-Organizing Systems · Physics 2007-05-23 R. Andrushkiw , V. Gafiychuk , R. Zabrodsky

In this paper we formulate a Stefan problem appropriate when the thermophysical properties are distinct in each phase and the phase-change temperature is size or velocity dependent. Thermophysical properties invariably take different values…

Computational Physics · Physics 2019-04-12 Timothy G. Myers , Matthew G. Hennessy , Marc Calvo-Schwarzwälder

We investigate a two-dimensional transmission model consisting of a wave equation and a Kirchhoff plate equation with dynamical boundary controls under geometric conditions. The two equations are coupled through transmission conditions…

Analysis of PDEs · Mathematics 2023-10-10 Zahraa Abdallah , Stéphane Gerbi , Chiraz Kassem , Ali Wehbe

We study the Stefan problem with surface tension and radially symmetric initial data. In this context, the notion of a so-called physical solution, which exists globally despite the inherent blow-ups of the melting rate, has been recently…

Analysis of PDEs · Mathematics 2023-06-06 Yucheng Guo , Sergey Nadtochiy , Mykhaylo Shkolnikov

In this work we introduce a new system of partial differential equations as a simplified model for the evolution of reversible martensitic transformations under thermal cycling in low hysteresis alloys. The model is developed in the context…

Analysis of PDEs · Mathematics 2018-11-20 Francesco Della Porta

From the one-dimensional consolidation of fine-grained soils with threshold gradient, it can be derived a special type of Stefan problems where the seepage front, due to the presence of this threshold gradient, exhibits the features of a…

Analysis of PDEs · Mathematics 2017-03-24 Julieta Bollati , Domingo A. Tarzia

We study the regularity of the free boundary arising in a thermodynamically consistent two-phase Stefan problem with surface tension by means of a family of parameter-dependent diffeomorphisms, $L_p$-maximal regularity theory, and the…

Analysis of PDEs · Mathematics 2016-12-19 Jan Pruess , Yuanzhen Shao , Gieri Simonett

We assume that the Stefan problem with undercooling has a classical solution until the moment of contact of free boundaries and the free boundaries have continuous velocities until the moment of contact. Under these assumptions, we…

Analysis of PDEs · Mathematics 2007-05-23 V. G. Danilov , V. Yu. Rudnev

We study the existence and properties of solutions and free boundaries of the one-phase Stefan problem with fractional diffusion posed in $\mathbb{R}^N$. In terms of the enthalpy $h(x,t)$, the evolution equation reads $\partial_t…

Analysis of PDEs · Mathematics 2022-08-22 Félix del Teso , Jørgen Endal , Juan Luis Vázquez

An explicit solution of a similarity type is obtained for a one-phase Stefan problem in a semi-infinite material using Kummer functions. Motivated by [D.A. Tarzia, Relationship between Neumann solutions for two phase Lam\'e-Clapeyron-Stefan…

Analysis of PDEs · Mathematics 2016-10-31 Julieta Bollati , Domingo Alberto Tarzia

We study the one-dimensional one-phase Stefan problem for the heat equation with a nonlinear boundary condition. We show that all solutions fall into one of three distinct types: global-in-time solutions with exponential decay,…

Analysis of PDEs · Mathematics 2025-10-31 Kensho Araya , Kazuhiro Ishige

We develop a new variational formulation of the inverse Stefan problem, where information on the heat flux on the fixed boundary is missing and must be found along with the temperature and free boundary. We employ optimal control framework,…

Analysis of PDEs · Mathematics 2015-06-09 Ugur G. Abdulla

In this paper, we establish the asymptotic stability of the steady-state for a 1-D stochastic Euler-Poisson equations with Ohmic contact boundary conditions forced by the Wiener process. We utilize Banach's fixed point theorem and the a…

Analysis of PDEs · Mathematics 2025-06-05 Yachun Li , Ming Mei , Lizhen Zhang