Sara Pålsson: Simulation and validation of surfactant-covered droplets in Stokes flow
Tid: Ti 2017-10-03 kl 13.00 - 14.00
Föreläsare: Sara Pålsson, KTH
Plats: Room F11, Lindstedtsvägen 22, våningsplan 2, F-huset, KTH Campus.
In this talk, we simulate deforming droplets in two-dimensional Stokes flow using a boundary integral formulation. In Stokes flow, surface tension plays a major role in how the drops behave. Adding surface active agents (surfactants) to the surfaces of the drops therefore changes their deformation.
We present our method of computing deforming surfactant-covered droplets accurately. In the case of inviscid bubbles, analytic results exist for validation. We show good agreement to these analytic results, both for clean and surfactant-covered bubbles. Finally, we simulate multiple closely interacting drops in different flow fields.