Experience
Computational Physics and Methods Group (CCS-2)
Los Alamos National Laboratory
- Primary developer of the GPU implementation of the Capsaicin code project's new adaptive mesh refinement (AMR) capability. Implemented parallel transport sweep tailored for El Capitan, approximate Compton treatments
- Investigating the application of artificial intelligence to complement existing codes through automatic selection of hyper parameters such as preconditioners for diffusion solves (e.g. Jacobi vs AMG)
Nicholas C. Metropolis Postdoctoral Fellow
2022–2024
Los Alamos National Laboratory
- Demonstrated and proved that the Discontinuous Galerkin transport discretization has the thick diffusion limit on non-conforming meshes such as those arising from adaptive mesh refinement
- Investigated the use of high-order, implicit-explicit (IMEX) time integration schemes in the context of thermal radiative transfer
- Designed consistently discretized high-order low-order methods with scalable linear solvers
- Developed allium, an MFEM-based, multigroup thermal radiative transfer research code, which has supported 4 journal articles, 2 conference presentations, and 5 summer student projects
- Mentored graduate student summer project investigating the implicit treatment of opacities, advised summer students investigating time integration and adjoint optimization applied to radiative transfer
Graduate Student Researcher
2017–2022
University of California, Berkeley
- Developed Variable Eddington Factor (VEF) and Second Moment methods to efficiently solve the radiation transport equation on curved meshes with arbitrary-order accuracy
- Demonstrated these methods can be effectively preconditioned to solve independent of the mesh size and polynomial order on challenging proxy problems from thermal radiative transfer
CSGF Practicum
Summer 2021
Lawrence Livermore National Laboratory
- Performed parallel scaling analysis of the Discontinuous Galerkin-based VEF method
- Investigated extension of VEF discretizations to RZ geometry
CSGF Practicum
Summer 2020
Lawrence Livermore National Laboratory
- Explored iterative solvers for the solution of the VEF equations discretized with the mixed finite element method
CSGF Practicum
Summer 2019
Los Alamos National Laboratory
- Developed a "fully local" Quasidiffusion method and implemented it in Capsaicin
High Energy Density Physics Intern
Summer 2018
Lawrence Livermore National Laboratory
- Developed a high-order mixed finite element discretization for the VEF equations in 2/3D
- Implemented VEF in an LLNL thermal radiative transfer research code
High Energy Density Physics Intern
Summer 2017
Lawrence Livermore National Laboratory
- Designed and implemented a generalized nuclear reaction network in Cosmos++, an LLNL astrophysics code
- Created a massively parallel nucleosynthesis post-processor
- Used the generalized network and post-processor to investigate tidal disruption in white dwarfs, resulted in a publication
Undergraduate Researcher
Spring 2017
Center for Exascale Radiation Transport (TAMU)
- Developed a 1D mixed finite element discretization of the VEF equations
High Energy Density Physics Intern
Summer 2016
Lawrence Livermore National Laboratory
- Implemented a 19 isotope nuclear reaction network in Cosmos++
Undergraduate Researcher/Lab Technician
2014–2016
Fuel Cycle and Materials Laboratory (TAMU)
- Designed an electrorefiner to purify depleted uranium metal with non-aqueous electrolysis