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Generalities on finite element discretization for fractional pressure diffusion equation in the fractal continuum
Author(s) -
Hugo David Sánchez Chávez,
C. A. López-Ortiz,
And L. Flores-Cano
Publication year - 2019
Publication title -
revista mexicana de física
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.181
H-Index - 25
eISSN - 2683-2224
pISSN - 0035-001X
DOI - 10.31349/revmexfis.65.251
Subject(s) - discretization , finite element method , fractal , mathematical analysis , mathematics , tetrahedron , fractional calculus , fractal dimension , diffusion equation , physics , geometry , economy , economics , thermodynamics , service (business)
In this study we explore the application of the novel fractional calculus in fractal continuum ( FCFC ), together with the finite element method ( FEM ), in order to analize explicitly how these differential operators act in the process of discretizing the generalized fractional pressure diffusion equation for a three -dimensional anisotropic continuous fractal flow . The master finite element equation ( MFEE ) for arbitrary interpolation functions is obtained . As an example, MFEE for the case of a generic linear tetrahedron in $\mathbb{R}^3$ is shown . Analytic solution for the spatial variables is determined over a canonical tetrahedral finite element in global coordinates .

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