06/30/2023
By John Cox

The Kennedy College of Sciences, Department of Physics and Applied Physics, invites you to attend a Master’s thesis defense by John Cox on “Runtime Reduction of a Global 3D Hybrid Particle Simulation Model.”

Candidate Name: John Cox
Degree: MS Physics
Defense Date: Wednesday, July 5, 2023
Time: 3 p.m.
Location: Wannalancit 305

Title: Runtime Reduction of a Global 3D Hybrid Particle Simulation Model

Committee Chair: Paul Song, Ph.D., Professor, Physics, UMass Lowell

Dissertation Committee Member:
Jiannan Tu, Ph.D., Research Professor, Physics, UMass Lowell


Abstract:
To numerically study Magnetosphere-Ionosphere (M-I) coupling in the topside ionosphere and inner magnetosphere, a global 3D hybrid particle simulation model (GSK3D) was previously developed by Dr. Yifan Huang. However, it ran slowly. To
reduce runtime, changes were made to reduce comparisons and improve multithreading performance. The upgraded code runs 3.82x faster than the original code. The upgraded code’s output deviates by up to a few percent, depending on species.