Numerical Investigation of Bioconvection of Gravitactic microorganisms In An Isotropic Porous Medium

摘要

A new continuum model is formulated for bioconvection in a dilute suspension of swimming, gravitactic microorganisms in a porous medium. "Bioconvection" is the name given to patten-forming convective motions set up in suspensions of swimming microorganisms." Gravitaxis" means that microorganisms tend to swim against the gravity. The aim of this paper is to analyze collective behavior and pattern formation in populations Of swimming microorganisms.