P39: Extremely Large, Wide-Area Power-Line Models
Abstract: The electric and magnetic fields around power lines carry an immense amount of information about the power grid, and can be used to improve stability, balance loads, and reduce outages. To study this, extremely large models of transmission lines over a 49.5-sq-km tract of land near Washington, DC have been built. The terrain is modeled accurately using 1-m-resolution LIDAR data. The models are solved using the boundary element method, and the solvers are parallelized across Army Research Laboratory's Centennial supercomputer using a modified version of the domain decomposition method. The code on each node is accelerated using the fast multipole method and, when available, GPUs. Additionally, larger test models were used to characterize the scaling properties of the code. The largest test model had 10,020,913,152 elements, and was solved across 1024 nodes in 3.0 hours.
Award: Best Poster Finalist (BP): no
Two-page extended abstract: pdf