PSU Mark
Eberly College of Science Mathematics Department

Meeting Details

For more information about this meeting, contact Hope Shaffer, Chun Liu.

Title:High Order eXtended Finite Element Methods for Interface problems
Seminar:CCMA Luncheon Seminar
Speaker:Fei Wang, Penn State University
Many problems in physics, engineering, and other fields involve a certain level of coupling between different physical systems. For many multi-physics problems, the most difficult part is dealing with an interface, which separates two phases of matter; each may be solid, liquid, or gaseous. The extended finite element method (XFEM), which extends the classical FEM by enriching the numerical solution space locally around the interface with discontinuous functions, has shown its potential in a variety of applications that involve non-smooth solutions near interface. In this talk, we will discuss high order XFEM with DG schemes to solve an elliptic interface problem. We show the optimal convergence rate for any order XFE space if the solution satisfies curtain regularity in each subdomain. The talk is based on the joint research works with Jinchao Xu, Yuanming Xiao, and Shuo Zhang.

Room Reservation Information

Room Number:MB114
Date:02 / 16 / 2015
Time:12:20pm - 01:30pm