Abstract

AbstractWe introduce a time adaptive multirate method based on the Dirichlet‐Neumann waveform relaxation (DNWR) algorithm for the simulation of two coupled linear heat equations with strong jumps in the material coefficients across the interface. Numerical results are included to illustrate the advantages of the time adaptive approach over the multirate approach and the robustness of the multirate DNWR method with respect to its sibling, the multirate Neumann‐Neumann waveform relaxation (NNWR) method introduced in a previous work [3].

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