1.
Math Biosci Eng
; 18(5): 4961-4970, 2021 06 07.
Artigo
em Inglês
| MEDLINE
| ID: mdl-34517472
RESUMO
This study developed a method to approximate the covariance matrix associated with the simulation of water molecular diffusion inside the brain tissue. The computation implements the Discontinuous Galerkin method of the diffusion equation. A physically consistent numerical flux is applied to model the interaction between the axon walls and extracellular regions. This numerical flux yields an efficient GPU-CUDA implementation. We consider the two-dimensional case of high axon pack density, valid, for instance, in the brain's corpus callosum region.