Comput Biol Chem - An efficient nonlinear finite-difference approach in the computational modeling of the dynamics of a nonlinear diffusion-reaction equation in microbial ecology.

Tópicos

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Resumo

In this manuscript, we present a computational model to approximate the solutions of a partial differential equation which describes the growth dynamics of microbial films. The numerical technique reported in this work is an explicit, nonlinear finite-difference methodology which is computationally implemented using Newton's method. Our scheme is compared numerically against an implicit, linear finite-difference discretization of the same partial differential equation, whose computer coding requires an implementation of the stabilized bi-conjugate gradient method. Our numerical results evince that the nonlinear approach results in a more efficient approximation to the solutions of the biofilm model considered, and demands less computer memory. Moreover, the positivity of initial profiles is preserved in the practice by the nonlinear scheme proposed.

Resumo Limpo

manuscript present comput model approxim solut partial differenti equat describ growth dynam microbi film numer techniqu report work explicit nonlinear finitediffer methodolog comput implement use newton method scheme compar numer implicit linear finitediffer discret partial differenti equat whose comput code requir implement stabil biconjug gradient method numer result evinc nonlinear approach result effici approxim solut biofilm model consid demand less comput memori moreov posit initi profil preserv practic nonlinear scheme propos

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