Hydrodynamics of a Multicomponent Vesicle Under Strong Confinement

The biophysical lipid bilayer membrane (such as a vesicle) often consists of multiple species of macromolecules such as cholesterol, surface proteins, surfactants, and different lipids. In this work I use the phase-field model for a multicomponent lipid membrane and implement the hydrodynamics with a boundary integral code. The simulations show that the multicomponent structure results in fundamentally different behaviors than a single component vesicle. I will demonstrate some of these differences by simulating multicomponent vesicles in various unbounded and strongly confined geometries.