RedEigCD enables stable timestep increases up to 40 times larger than full-order models for projection-based ROMs of incompressible flows by using exact spectral bounds on reduced convective and diffusive operators together with a proof that ROM stable timesteps are at least as large as FOM ones.
A numerical method for solving incompressible viscous flow problems
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GPU optimization of a sharp-interface immersed boundary method achieves 20X speedup and over 90% scaling efficiency for billion-point fluid-structure interaction simulations including a flapping bat wing.
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Stable self-adaptive timestepping for Reduced Order Models for incompressible flows
RedEigCD enables stable timestep increases up to 40 times larger than full-order models for projection-based ROMs of incompressible flows by using exact spectral bounds on reduced convective and diffusive operators together with a proof that ROM stable timesteps are at least as large as FOM ones.
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GPU-Accelerated Simulations of Problems with Moving Boundaries and Fluid-Structure Interaction at Extreme Scales
GPU optimization of a sharp-interface immersed boundary method achieves 20X speedup and over 90% scaling efficiency for billion-point fluid-structure interaction simulations including a flapping bat wing.