Kinetic modeling of plasma waves using heterogeneous computational strategies

Deborah Levin, University of Illinois at Urbana-Champaign

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Deborah Levin, Saurabh Sawant, Nakul Nuwal, Siddharth Budaraju, Matheus de Souza Santos Macedo, Moises Angulo Enriquez, Davut Vatansever, Keita Nishii

Numerical modeling has been an important tool in analyzing and predicting plasma behavior in both high and low density applications. With the advancement in compute resources, compute-intensive kinetic modeling has played an important role in understanding plasma wave behavior for various plasma applications. Kinetic modeling is especially important for low density, and low temperature plasma applications where non-Maxwellian distributions for electron velocities are observed, which traditional electronuid models cannot resolve. There has been a general interest in the research community in moving towards high delity plasma modeling where new numerical techniques and computational algorithms, if implemented on a larger scale, may provide deep insights into conyemporary plasma problems such as the generation of electron holes in a beam, and measurement techniques for pulsed plasmas. Our goal this year is to build on this exciting progress by a extending our high-delity approach to study plasma waves kinetically.

The main objective of our Blue Waters proposal is to numerically model challenging plasma physics problems with high delity particle-in-cell approach using our novel in-house code on heterogeneous computational architecture. This proposal continuous to support PhD research ongoing in our research group.