Academic Journal
Surface Phase Separation and Flow in a Simple Model of Multicomponent Drops and Vesicles
| العنوان: | Surface Phase Separation and Flow in a Simple Model of Multicomponent Drops and Vesicles |
|---|---|
| المؤلفون: | J. S. Lowengrub, J-j. Xu, A. Voigt, Communicated Mark Sussman |
| المساهمون: | The Pennsylvania State University CiteSeerX Archives |
| المصدر: | http://www.math.uci.edu/~lowengrb/RESEARCH/publications/63.pdf. |
| المجموعة: | CiteSeerX |
| الوصف: | We introduce and investigate nu-merically a thermodynamically consistent simple model of a drop or vesicle in which the interfa-cial surface contains multiple constitutive compo-nents (e.g. amphiphilic molecules). The model describes the nonlinear coupling among the flow, drop/vesicle morphology and the evolution of the surface phases. We consider a highly simplified version of the Helfrich model for fluid-like vesi-cle membranes in which we neglect the effects of bending forces and spontaneous curvature but keep the effects of inhomogeneous surface ten-sion forces. Thus, this model may also describe liquid drops. To solve the highly nonlinear, cou-pled system a new numerical method is devel-oped. This method combines the immersed inter-face method to solve the flow equations, and the Laplace-Young jump conditions, with the level-set method to represent and evolve the interface and a non-stiff Eulerian algorithm to update the mass concentration on the drop interface. Re-sults are presented for drops/vesicles in an applied shear flow where an initially unstable mixture of the surface mass separates into distinct phases. 1 |
| نوع الوثيقة: | text |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.511.2253; http://www.math.uci.edu/~lowengrb/RESEARCH/publications/63.pdf |
| الاتاحة: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.511.2253 http://www.math.uci.edu/~lowengrb/RESEARCH/publications/63.pdf |
| Rights: | Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
| رقم الانضمام: | edsbas.C77C8789 |
| قاعدة البيانات: | BASE |
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