Dynamics of microswimmers near a soft penetrable interface

DOI DOI 機関リポジトリ (HANDLE) HANDLE Web Site ほか1件をすべて表示 一部だけ表示 被引用文献2件 参考文献34件 オープンアクセス

説明

Few simulations exist for microswimmers near deformable interfaces. Here, we present numerical simulations of the hydrodynamic flows associated with a single microswimmer embedded in a binary fluid mixture. The two fluids demix, separated by a penetrable and deformable interface that we assume to be initially prepared in its planar ground state. We find that the microswimmer can either penetrate the interface, move parallel to it, or bounce back off it. We analyze how the trajectory depends on the swimmer type (pusher/puller) and the angle of incidence with respect to the interface. Our simulations are performed in a system with periodic boundary conditions, corresponding to an infinite array of fluid interfaces. A puller reaches a steady state in which it either swims parallel to the interface or selects a perpendicular orientation, repeatedly penetrating through the interface. In contrast, a pusher follows a bouncing trajectory between two interfaces. We discuss several examples in biology in which swimmers penetrate soft interfaces. Our paper can be seen as a highly simplified model of such processes.

収録刊行物

被引用文献 (2)*注記

もっと見る

参考文献 (34)*注記

もっと見る

関連プロジェクト

もっと見る

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ