Seminar Event Detail

Applied Interdisciplinary Mathematics (AIM)

Date:  Friday, February 11, 2022
Location:  Virtual (3:00 PM to 4:00 PM)

Title:  Fast summation methods for long-range particle interactions

Abstract:   Many models in scientific computing involve long-range particle interactions, for example the Coulomb interaction of electrically charged particles. To address the cost of computing these interactions in large-scale computations, we present two fast summation methods based on barycentric Lagrange interpolation, a treecode (BLTC) and a fast multipole method where the interaction lists are formed by dual tree traversal (BLDTT). The methods are kernel-independent and a distributed memory implementation on multiple GPUs has been developed. The performance of the BLTC and BLDTT is demonstrated, and an application to the electrostatics of solvated biomolecules is presented.


Speaker:  Robert Krasny
Institution:  University of Michigan

Event Organizer:   AIM Seminar Organizers


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