Solving a fractional diffusion PDE using some standard and nonstandard finite difference methods with conformable and Caputo operators
Appanah R. Appadu,
Abey S. Kelil,
Ndifon Wikocho Nyingong
Abstract:IntroductionFractional diffusion equations offer an effective means of describing transport phenomena exhibiting abnormal diffusion pat-terns, often eluding traditional diffusion models.MethodsWe construct four finite difference methods where fractional derivatives are approximated using either conformable or Caputo operators.ResultsStability of the proposed schemes is analyzed using von Neumann stability analysis, and conditions are established to preserve positivity. Consistency analysis is performed for all… Show more
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