We consider waveform iterations for dynamic coupled problems with respect to the role of time window length. We review existing theoretical results about the error of waveform iterations and the role of the time window length. Furthermore, we present numerical results for waveform iterations with both time adaptive sub solvers and with fixed time steps. This way, we are able to give a recommendation on the choice of the time window. The use of time windows can lead to an increase in efficiency. For fixed time grids, we can reliably achieve a small performance increase. For time adaptive solvers, more research is needed.

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Published on 02/11/23
Submitted on 02/11/23

Volume Quasi-Newton techniques for partitioned simulation of coupled problems, 2023
DOI: 10.23967/c.coupled.2023.030
Licence: CC BY-NC-SA license

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