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A Virtual Element Method for a Nonlocal FitzHugh-Nagumo Model of Cardiac Electrophysiology

Abstract : We present a virtual element method (VEM) for a nonlocal reaction–diffusion system of the cardiac electric field. For this system, we analyze an H1-conforming discretization by means of VEM that can make use of general polygonal meshes. Under standard assumptions on the computational domain, we establish the convergence of the discrete solution by considering a series of a priori estimates and by using a general Lp compactness criterion. Moreover, we obtain optimal order space-time error estimates in the L2 norm. Finally, we report some numerical tests supporting the theoretical results.
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https://hal.inria.fr/hal-02142031
Contributor : Mostafa Bendahmane <>
Submitted on : Tuesday, May 28, 2019 - 1:04:23 PM
Last modification on : Wednesday, May 6, 2020 - 8:18:02 PM

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Veronica Anaya, Mostafa Bendahmane, David Mora, Mauricio Sepulveda. A Virtual Element Method for a Nonlocal FitzHugh-Nagumo Model of Cardiac Electrophysiology. IMA Journal of Numerical Analysis, Oxford University Press (OUP), In press, ⟨10.1093/imanum/drz001⟩. ⟨hal-02142031⟩

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