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Schwarz Waveform Relaxation With Adaptive Pipelining, Felix Kwok, Benjamin W. Ong
Schwarz Waveform Relaxation With Adaptive Pipelining, Felix Kwok, Benjamin W. Ong
Department of Mathematical Sciences Publications
Schwarz waveform relaxation (SWR) methods have been developed to solve a wide range of diffusion-dominated and reaction-dominated equations. The appeal of these methods stems primarily from their ability to use nonconforming space-time discretizations; SWR methods are consequently well-adapted for coupling models with highly varying spatial and time scales. The efficacy of SWR methods is questionable, however, since in each iteration, one propagates an error across the entire time interval. In this manuscript, we introduce an adaptive pipeline approach wherein one subdivides the computational domain into space-time blocks, and adaptively selects the waveform iterates which should be updated given a fixed …