Reaction-diffusion Model Applied to the Population Dynamics of Wild and Transgenic Mosquitoes
DOI:
https://doi.org/10.5540/tema.2020.021.03.505Keywords:
Mathematical Model, Operator Splitting, Genetically Modified Mosquito.Abstract
Due to recent advances in genetic manipulation, transgenic mosquitoes can be a viable alternative to reduce some diseases. Viability conditions are obtained by the simulation and analysis of mathematical models that describe the behavior of wild and transgenic mosquitoes population living in the same geographic area. In this work, we present a reaction-diffusion model, where the term reaction is a nonlinear function that describes the interaction between wild and transgenic mosquitoes taking into account their zygosity and the diffusive term representing a uniform spatial spread characterized by a fixed diffusion parameter. The system of partial differential equations obtained is solved numerically by combining the implicit Runge-Kutta method and the finite element method through the sequential operator splitting technique. Several scenarios are analyzed simulating the spatial release of transgenic mosquitoes, demonstrating an intrinsic relationship between the transgenic and wild varieties for different initial conditions.
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