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<p>Most modern ocean models focus on two categories of waves: a barotropic system, which has a fast wave propagation speed, and a baroclinic system, which has a slow wave propagation speed. To help address the challenge of simulating these two modes simultaneously, a team from DOE&rsquo;s Oak Ridge, Los Alamos and Sandia National Laboratories has developed a new solver algorithm that reduces the total run time of the Model for Prediction Across Scales-Ocean, or MPAS-Ocean, E3SM&rsquo;s ocean circulation model, by 45%.&nbsp;</p>

United statesLos alamosElizabeth rosenthalShyun kangInternational journal of high performance computing applicationsSandia national laboratoriesLos alamos national laboratoryEnvironmental researchMethod of researchScientific computing researchNational nuclear security administrationOffice of sciencePacific northwest national laboratoryEnergy exascale earth system modelPrediction across scales oceanRidge leadership computing facility