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Related Experiment Video

Updated: Feb 5, 2026

Characterization of Thermal Transport in One-dimensional Solid Materials

Characterization of Thermal Transport in One-dimensional Solid Materials

Published on: January 26, 2014

Three-dimensional multicomponent vesicles: dynamics and influence of material properties.

Prerna Gera¹, David Salac

¹Department of Mechanical and Aerospace Engineering, University at Buffalo, Buffalo, NY 14260-4400, USA. davidsal@buffalo.edu.

|September 5, 2018

Summary

This study explores multicomponent vesicle hydrodynamics in shear flow, revealing three distinct dynamics: stationary phase, phase-treading, and vertical banding. These behaviors are sensitive to membrane properties and line energy, highlighting the complexity of heterogeneous vesicles.

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Area of Science:

Soft Matter Physics
Fluid Dynamics
Biophysics

Background:

Vesicles are crucial in biological systems and materials science.
Understanding multicomponent vesicle behavior in flow is essential for various applications.
Previous studies often simplified vesicle composition or flow conditions.

Purpose of the Study:

To investigate the nonlinear hydrodynamics of three-dimensional multicomponent vesicles in shear flow.
To explore how membrane properties and flow dynamics influence vesicle behavior.
To identify and characterize novel dynamic regimes.

Main Methods:

Utilized a volume- and area-conserving projection method.
Employed a gradient-augmented level set and surface phase field approach.
Systematically varied membrane bending rigidity difference, diffusion speed, and phase domain energy.

Main Results:

Observed three distinct dynamics: stationary phase, phase-treading, and vertical banding.
Found that vertical banding is highly sensitive to domain line energy relative to bending energy.
Demonstrated that these regimes are dependent on the interplay between diffusion and shear flow.

Conclusions:

Multicomponent vesicle dynamics in shear flow are complex and exhibit rich emergent behaviors.
A full three-dimensional model is necessary for accurately capturing heterogeneous vesicle dynamics.
Heterogeneous material properties significantly impact vesicle behavior in flow.