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Poster Title

Exponential time differencing for large time stepping and localized approach for parallel implementation

Authors

Thi Thao Phuong Hoang (Unlicensed), Konstantin Pieper (Unlicensed), K. Chad Sockwell, Max Gunzburger (Unlicensed), Lili Ju (Unlicensed), Zhu Wang (Unlicensed)

GroupOcean/Ice
Experiment
Poster CategoryFuture Direction
Submission Typeposter
Poster Linkhttps://acme-climate.atlassian.net/wiki/x/312eBwwiki/spaces/ECM/pages/127819231



Abstract

MPAS-Ocean utilizes a multi-resolution mesh that resolves sensitive scales with a locally refined mesh. This allows for a reduction in computation time in the coarse regions. However, due to the CFL-condition, the global time-step of explicit methods is restricted by the smallest grid cell. To address this, we combine two approaches: exponential time differencing (ETD) and domain decomposition (DD) methods.

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