The spectral element method for the shallow water equations on the sphere
Journal of Computational Physics
Parallel Semi-Implicit Spectral Element Methods for Atmospheric General Circulation Models
Journal of Scientific Computing
Terascale spectral element dynamical core for atmospheric general circulation models
Proceedings of the 2001 ACM/IEEE conference on Supercomputing
A New Class of Optimal High-Order Strong-Stability-Preserving Time Discretization Methods
SIAM Journal on Numerical Analysis
Semi-Implicit Spectral Element Atmospheric Model
Journal of Scientific Computing
Partitioning with Space-Filling Curves on the Cubed-Sphere
IPDPS '03 Proceedings of the 17th International Symposium on Parallel and Distributed Processing
International Journal of High Performance Computing Applications
Performance Portability in the Physical Parameterizations of the Community Atmospheric Model
International Journal of High Performance Computing Applications
A Scalable Implementation of a Finite-Volume Dynamical Core in the Community Atmosphere Model
International Journal of High Performance Computing Applications
International Journal of High Performance Computing Applications
The NCAR Spectral Element Climate Dynamical Core: Semi-Implicit Eulerian Formulation
Journal of Scientific Computing
A Non-oscillatory Advection Operator for the Compatible Spectral Element Method
ICCS 2009 Proceedings of the 9th International Conference on Computational Science
A compatible and conservative spectral element method on unstructured grids
Journal of Computational Physics
A new flexible coupler for earth system modeling developed for CCSM4 and CESM1
International Journal of High Performance Computing Applications
Performance of the community earth system model
Proceedings of 2011 International Conference for High Performance Computing, Networking, Storage and Analysis
Improving the performance scalability of the community atmosphere model
International Journal of High Performance Computing Applications
Computational performance of ultra-high-resolution capability in the Community Earth System Model
International Journal of High Performance Computing Applications
A modern solver interface to manage solution algorithms in the Community Earth System Model
International Journal of High Performance Computing Applications
MCore: A non-hydrostatic atmospheric dynamical core utilizing high-order finite-volume methods
Journal of Computational Physics
Journal of Computational Physics
Using automated performance modeling to find scalability bugs in complex codes
SC '13 Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis
Progress towards accelerating HOMME on hybrid multi-core systems
International Journal of High Performance Computing Applications
A conservative multi-tracer transport scheme for spectral-element spherical grids
Journal of Computational Physics
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The Community Atmosphere Model (CAM) version 5 includes a spectral element dynamical core option from NCAR's High-Order Method Modeling Environment. It is a continuous Galerkin spectral finite-element method designed for fully unstructured quadrilateral meshes. The current configurations in CAM are based on the cubed-sphere grid. The main motivation for including a spectral element dynamical core is to improve the scalability of CAM by allowing quasi-uniform grids for the sphere that do not require polar filters. In addition, the approach provides other state-of-the-art capabilities such as improved conservation properties. Spectral elements are used for the horizontal discretization, while most other aspects of the dynamical core are a hybrid of well-tested techniques from CAM's finite volume and global spectral dynamical core options. Here we first give an overview of the spectral element dynamical core as used in CAM. We then give scalability and performance results from CAM running with three different dynamical core options within the Community Earth System Model, using a pre-industrial time-slice configuration. We focus on high-resolution simulations, using 1/4 degree, 1/8 degree, and T341 spectral truncation horizontal grids.