Tim Younkin Computational Plasma Physicist Contact YOUNKINTR@ORNL.GOV All Publications Predictive outlook for experiments resolving prompt vs local redeposition of high-Z materials in tokamaks ASGarD: Adaptive Sparse Grid Discretization Dependence of high-Z redeposition on the field-to-surface pitch angle and other sheath parameters in tokamaks Integrated model predictions on the impact of substrate damage on gas dynamics during ITER burning-plasma operations RF sheath induced sputtering on Proto-MPEX part 2: Impurity transport modeling and experimental comparison RF sheath induced sputtering on Proto-MPEX. I. Sheath equivalent dielectric layer for modeling the RF sheath Nested Workflows for Loosely Coupled HPC Simulations Kinetic-j: A computational kernel for solving the linearized Vlasov equation applied to calculations of the kinetic, configuration space plasma current for time harmonic wave electric fields Description of the Prototype Diagnostic Residual Gas Analyzer for ITER Key Links Curriculum Vitae
