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- Consejo Nacional de Investigaciones Científicas y TécnicasAR24 papers
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4 papers · 2 filters
One-phase Stefan-like problems with a latent heat depending on the position and velocity of the free boundary, and with Neumann or Robin boundary conditions at the fixed face
Julieta Bollati, Domingo A. Tarzia
In this paper, a one-phase Stefan-type problem for a semi-infinite material which has as its main feature a variable latent heat that depends on the power of the position and the v…
Global Solution to a Nonlinear Fractional Differential Equation for the Caputo-Fabrizio Derivative
Sabrina Roscani, Domingo Tarzia, Lucas Venturato
This paper deals with the fractional Caputo--Fabrizio derivative and some basic properties related. A computation of this fractional derivative to power functions is given in terms…
Heat balance integral methods applied to the one-phase Stefan problem with a convective boundary condition at the fixed face
Julieta Bollati, José A. Semitiel, Domingo A. Tarzia
In this paper we consider a one-dimensional one-phase Stefan problem corresponding to the solidification process of a semi-infinite material with a convective boundary condition at…
A New Mathematical Formulation for a Phase Change Problem with a Memory Flux
Sabrina Roscani, Julieta Bollati, Domingo Tarzia
A mathematical model for a one-phase change problem (particularly a Stefan problem) with a memory flux, is obtained. The hypothesis that the weighted sum of fluxes back in time is…