On the strong convergence of the Faedo-Galerkin approximations to a strong T-periodic solution of the torso-coupled bidomain model

Raul Felipe-Sosa¹ ; Andres Fraguela-Collar² ; Yofre H. García-Gómez¹

¹ Facultad de Ciencias en Física y Matemáticas-UNACH, Chiapas, Mexico
² Facultad de Ciencias Físico Matemáticas-BUAP, Puebla, Mexico

Mathematical modelling of natural phenomena, Tome 18 (2023), article no. 14.

Résumé

In this paper, we investigate the convergence of the Faedo-Galerkin approximations, in a strong sense, to a strong T-periodic solution of the torso-coupled bidomain model where T is the period of activation of the inner wall of the heart. First, we define the torso-coupled bidomain operator and prove some of its more important properties for our work. After, we define the abstract evolution system of the equations that are associated with torso-coupled bidomain model and give the definition of a strong solution. We prove that the Faedo-Galerkin’s approximations have the regularity of a strong solution, and we find that some restrictions can be imposed over the initial conditions, so that this sequence of Faedo-Galerkin fully converges to a strong solution of the Cauchy problem. Finally, these results are used for showing the existence a strong T-periodic solution.

Détail

DOI : 10.1051/mmnp/2023012

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