Multiscale Modeling and Computation Seminar by Arkadz Kirshtein: Modeling and Computations of Multi-Component Fluid Flow

Speaker: Arkadz Kirshtein, Norbert Wiener Assistant Professor, Department of Mathematics at Tufts University

Title: Modeling and Computations of Multi-Component Fluid Flow

Abstract: In this talk I will introduce the systematic energetic variational approach for dissipative systems applied to multi-component fluid flows. These variational approaches are motivated by the seminal works of Rayleigh and Onsager. The advantage of this approach is that we have to postulate only energy law and some kinematic relations based on fundamental physical principles. The method gives a clear, quick and consistent way to derive the PDE system. I will discuss different approaches to multi-component flows using diffusive interface method. The diffusive interface method is an approach for modeling interactions among complex substances. The main idea behind this method is to introduce phase field labeling functions in order to model the contact line by smooth change from one type of material to another. Further I will introduce an energy stable numerical method for the proposed system system and discuss it's implementation, efficiency and possible further improvements.  

 

Multiscale Modeling and Computation