5 papers
Curved Mesh Adaptation for High-Order Finite Element Simulations
Aditya Yogesh Joshi, Mark S. Shephard
The ability to take advantage of computationally efficient high-order finite element methods to perform adaptive finite element analysis of complex engineering problems over genera…
Unstructured Mesh Tools for Fusion Energy System Design
Mark S. Shephard, Jacob S. Merson, Onkar Sahni +6
The execution of accurate simulations of fusion energy systems requires the appropriate representation of critical component geometries as well as the coupling of complex fusion ph…
Understanding Carbon Sourcing and Transport Originating from the Helicon Antenna Surfaces During High-Power Helicon Discharge in DIII-D Tokamak
A. Kumar, D. Nath, W. Tierens +11
The high-power helicon wave system in the DIII-D tokamak introduces new plasma--material interaction (PMI) challenges due to rectified RF sheath potentials forming near antenna str…
PCMS: Parallel Coupler For Multimodel Simulations
Jacob S. Merson, Cameron W. Smith, Mark S. Shephard +5
This paper presents the Parallel Coupler for Multimodel Simulations (PCMS), a new GPU accelerated generalized coupling framework for coupling simulation codes on leadership class s…
GPU Acceleration of Monte Carlo Tallies on Unstructured Meshes in OpenMC with PUMI-Tally
Fuad Hasan, Cameron W. Smith, Mark S. Shephard +5
Unstructured mesh tallies are a bottleneck in Monte Carlo neutral particle transport simulations of fusion reactors. This paper introduces the PUMI-Tally library that takes advanta…