ACMS Applied Math Seminar: Tingting Tang

Thu Nov 15, 2018 3:30PM - 4:30PM • Calendars: Applied Math Seminar

Tingting Tang
University of Notre Dame
 

3:30 PM
154 Hurley Hall

 

"A Numerical Methods For Solving Elliptic Equations On Real Closed Algebraic Curves and Surfaces"

We develop a novel approach which combines numerical algebraic geometry and finite difference scheme to solve elliptic partial differential equations defined on real closed algebraic curves and surfaces. In particular, we use the numerical algebraic methods to discretize the domain then utilize local parameterization to design a special metric tensor which greatly simplifies the Laplacian-Beltrani operator on the local manifold at every mesh point. Finally, we apply standard finite difference scheme to the simplified differential equation system. The performance of this method is demonstrated through elliptic PDEs defined on smooth or singular closed algebraic sets.

 


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