A mass-transfer particle-tracking method for simulating transport with discontinuous diffusion coefficients

•A mass-transfer particle-tracking method is developed for the problem of a spatially discontinuous diffusion coefficient.•The method employs a semi-analytical solution that we derive and may be employed for complicated subdomain interfaces and in higher dimensions.•Solutions generated by this metho...

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Bibliographic Details
Published in:Advances in water resources 2020-06, Vol.140 (C), p.103577, Article 103577
Main Authors: Schmidt, Michael J., Engdahl, Nicholas B., Pankavich, Stephen D., Bolster, Diogo
Format: Article
Language:English
Subjects:
algorithms
Composite porous media
Diffusion-reaction equation
Diffusion-reaction equation' Composite porous media
diffusivity
Discontinuous diffusion coefficients
ENGINEERING
Imperfect mixing
Lagrangian modeling
mass transfer
Mass-transfer particle-tracking
Particle methods
water
Water resources
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