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Note that this documentation applies to the OpenIFS/AC code extension for OpenIFS 43r3. This does not apply to users of OpenIFS 48r1 or later model releases. |
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This page describes how OpenIFS/AC v1 (derived from OpenIFS 43r3v2) can be obtained, built and used for forecast experiments. The documentation shows examples of how to use the model on the ECMWF Atos Sequana XH2000 HPCF (hpc2020). Adjustments will need to be made for local installations.
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The standard OpenIFS model is described in detail in the OpenIFS 43r3 User Guide. The user guide introduces the model's components and supported model grids. It informs about additional required software packages and how to build the OpenIFS model. It further describes how to carry out an acceptance test after a successful model build in order to verify the model's functionality.
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Users who are new to OpenIFS should first read the OpenIFS 43r3 User Guide's sections 1 to 5 before proceeding with OpenIFS/AC, as the steps described therein are required for building OpenIFS/AC. The instructions in the user guide will not be repeated here. |
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AC-experiments/ ├── config.h # MAIN experiment config file ├── ctrl/ │ ├── context_ifs.xml # xios resource │ ├── ifs_xml/ # xios resource │ ├── iodef.xml # xios resource │ ├── namelistfc │ ├── namelist.ifs-epc8.sh # namelist for t21test without chemistry │ ├── namelist.ifs-oiac.sh # namelist for t21test with chemistry │ ├── namelist.ifs.sh # namelist template for forecast experiments │ ├── Table/ # dir with AC tracers │ └── wam_namelist ├── ecmwf-hpc2020.job # job wrapper script for oifs-run.sh ├── oifs-run.sh # MAIN run script ├── platform/ # dir with platform-specific templates ├── prep_emis/ # dir with emission utilities ├── prep-ic-icmcl-compo.sh # MAIN script to prepare initial/boundary conditions └── scripts/ # dir with low-level scripts ├── add_nrt_fire_chem ├── gaussgr ├── get_alb_lai_intLimits ├── get_tablecol ├── grib_def.h ├── lib_chem_setup.sh ├── lib_general.sh # lib of utilities ├── lib_icmcl_clima.sh # lib of functs to create ICMCL boundary cond. files ├── lib_icmcl_compo.sh # lib of functs to create ICMCL-COMPO files ├── lib_initcond_offline.sh └── lib_initcond.sh # lib of functs to create initial conditions files |
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