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A 3D Reaction-Diffusion System Describing Bidomain Calcium Dynamics in Cardiac Cell

Abstract : We are interested in modeling the interaction of calcium dynamics in a medium including sarcolemma and sarcoplasmic reticulum. The governing equations consist of a nonlinear reaction-diffusion system representing the various calcium fluxes and theirs buffers in the two media. We address the question of existence of weak solutions by using a fixed-point approach. We propose a finite element method for this system, we establish the existence of the discrete solution, and we show that the discrete solution generated by the given scheme converges to the corresponding weak solution for the model studied. Finally, we give some 2D and 3D numerical examples to our model. Mathematics Subject Classification. 92C50, 65M60, 65N12, 92C40. The dates will be set by the publisher.
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https://hal.inria.fr/hal-01680574
Contributor : Mostafa Bendahmane <>
Submitted on : Tuesday, October 30, 2018 - 11:29:48 PM
Last modification on : Friday, April 17, 2020 - 11:47:05 AM

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Mostafa Bendahmane, Elmahdi Erraji, Fahd Karami. A 3D Reaction-Diffusion System Describing Bidomain Calcium Dynamics in Cardiac Cell. Mathematical Modelling of Natural Phenomena, EDP Sciences, 2019, 14 (2), pp.27. ⟨10.1051/mmnp/⟩. ⟨hal-01680574⟩

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