Ansys announced groundbreaking results from the largest commercial Fluent computational fluid dynamics (CFD) simulation ever run on AMD Instinct™ MI250X GPUs. In collaboration with energy company Baker Hughes and Oak Ridge National Laboratory, Ansys scaled Fluent to 1,024 GPUs on the Frontier exascale supercomputer, powered by AMD EPYC™ CPUs and Instinct GPUs. This achievement offers unparalleled insight into aerothermal physics at large operating pressures.
Traditional CFD methods involve lengthy development cycles and high costs for validating designs under extreme conditions. The combination of advanced hardware and leading multiphysics simulation software is pivotal for optimizing the development of turbine engines, power generation, and mechanical drives. Baker Hughes uses Ansys Fluent to support the design of its next-generation gas turbines to improve energy conversion efficiency and reduce carbon footprints.
For a 2.2-billion-cell axial turbine stator simulation, Ansys and Baker Hughes reduced the overall simulation run time from 38.5 hours to just 1.5 hours using 1,024 AMD Instinct MI250X GPUs, representing a 96% reduction compared to methods utilizing over 3,700 CPU cores. This record-breaking scaling allows for faster design iterations and more accurate predictions, unlocking more sustainable technologies and products. The advancements also benefit small and medium-sized businesses operating on smaller GPU systems.
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