Browsing NTNU Open by Author "Baldelli, Beatrice"
Now showing items 1-2 of 2
-
Anomalous diffusion in systems with concentration-dependent diffusivity: exact solutions and particle simulations
Hansen, Alex; Flekkøy, Eirik Grude; Baldelli, Beatrice (Journal article; Peer reviewed, 2020)We explore the anomalous diffusion that may arise as a result of a concentration dependent diffusivity. The diffusivity is taken to be a power law in the concentration, and from exact analytical solutions we show that the ... -
Hyperballistic Superdiffusion and Explosive Solutions to the Non-Linear Diffusion Equation
Flekkøy, Eirik Grude; Hansen, Alex; Baldelli, Beatrice (Peer reviewed; Journal article, 2021)By means of a particle model that includes interactions only via the local particle concentration, we show that hyperballistic diffusion may result. This is done by finding the exact solution of the corresponding non-linear ...