نتایج جستجو برای: two phase stefan problem

تعداد نتایج: 3517734  

Journal: :Calculus of Variations and Partial Differential Equations 2021

We provide perturbative estimates for the one-phase Stefan free boundary problem and obtain regularity of flat boundaries via a linearization technique in spirit elliptic counterpart established De Silva (IFB 13, 223–238, 2011).

We introduce and discuss the Homotopy perturbation method, the Adomian decomposition method and the variational iteration method for solving the stefan problem with kinetics. Then, we give an example of the stefan problem with  kinetics and solve it by these methods.

2008
Lincoln Chayes Inwon C. Kim

We study a novel two–sided Stefan problem – motivated by the study of certain 2D interfaces – in which boundaries at both sides of the sample encroach into the bulk with rate equal to the boundary value of the gradient. Here the density is in [0, 1] and takes the two extreme values at the two free boundaries. It is noted that the problem is borderline ill–posed: densities in excess of unity lia...

Journal: :computational methods for differential equations 0
ali beiranvand faculty of mathematical sciences, university of tabriz, tabriz, iran. karim ivaz university of tabriz, iran

we introduce and discuss the homotopy perturbation method, the adomian decomposition method and the variational iteration method for solving the stefan problem with kinetics. then, we give an example of the stefan problem with  kinetics and solve it by these methods.

Journal: :Applied Mathematics and Computation 2010
Adriana C. Briozzo Domingo Alberto Tarzia

Keywords: Stefan problem Non-classical heat equation Free boundary problem Similarity solution Nonlinear heat sources Volterra integral equation a b s t r a c t We prove the existence and uniqueness, local in time, of the solution of a one-phase Stefan problem for a non-classical heat equation for a semi-infinite material with a convective boundary condition at the fixed face x = 0. Here the he...

2007
JAN PRÜSS GIERI SIMONETT G. SIMONETT M. Primicerio L. I Rubinstein

We prove that under mild regularity assumptions on the initial data the two-phase classical Stefan problem admits a (unique) solution that is analytic in space and time.

Journal: :SIAM Journal of Applied Mathematics 2000
B. W. van de Fliert R. van der Hout

A model for species diffusion is presented, with evaporation at a moving free boundary. The resulting problem resembles a one-phase Stefan problem with superheating, but the usual Stefan condition at the moving boundary is replaced by a version which, in the classical setting, would violate conservation of energy. In the fast evaporation limit, however, the problem reduces to a classical nonlin...

2009
FERNANDO REITICH

The Stefan problem with small surface tension e is considered. Assuming that the classical Stefan problem (with s = 0) has a smooth free boundary T, we denote the temperature of the solution by 60 and consider an approximate solution 60 + su for the case where e ^ 0, e small. We first establish the existence and uniqueness of u , and then investigate the effect of u on the free boundary T. It i...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید