Changes between Version 13 and Version 14 of Users/Agenda/2018-07-11
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- 2018-07-11T08:40:16+02:00 (5 years ago)
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Users/Agenda/2018-07-11
v13 v14 10 10 11 11 '''11 July 2018''' [[BR]] 12 The new 4.0.beta release of NEMO is now available for beta testing. The offic al 4.0 release is scheduled for end 2018. The users and projects willing to make preliminary tests and contribute to the reliability of the future 4.0 release are very welcome to start testing this newversion. This page gathers all the information needed for a quick start, and all feedbacks are welcome, see below.12 The new 4.0.beta release of NEMO is now available for beta testing. The official 4.0 release is scheduled for end 2018. The users and projects willing to make preliminary tests and contribute to the reliability of the future 4.0 release are very welcome to start testing this new 4.0.beta version. This page gathers all the information needed for a quick start, and all feedbacks are welcome, see below. 13 13 14 14 == Download the nemo4.0.beta release … … 49 49 50 50 == Release notes 51 * AGRIF:51 * '''AGRIF for embedded zooms: 52 52 * Now compatible with new sea ice component 53 53 * Now compatible with z* coordinate … … 55 55 * Added vertical refinement (beta) 56 56 * Nesting tools for setup now up to date and working 57 * HPC 58 * Reduce number of MPI communications (suppression of redundant communications, gather multiple communications into one) 59 * Back to standard dynamical allocation (remove of wrk_alloc/dealloc statements) 60 * Generalised lbc_lnk and lbc_nfd (simplification) 61 * Unify mppini (simplification) 62 * Use non uniform jpi/jpj with dynamic allocation to avoid ghost rows/columns (simplification) 63 * Message passing re coded 64 * XIOS2 as default and optionally available for restarts 65 * ENHANCEMENTS 57 58 * '''Enhancements 66 59 * Fix for tracer conservation with split explicit free surface 67 60 * bulk formulae : move to aerobulk package (Brodeau et al. 2016), i.e. NCAR, COARE and ECMWF bulk (remove Clio and MFS bulk) … … 72 65 * Lateral physics (LDF): scale aware setting of eddy viscosity and diffusivity 73 66 * vorticity: 2 new energy conserving scheme: ENT with Coriolis defined at T-point (better for Flux form) and EET a variant of EEN where e3t is used instead of e3f (solved the issue with e3f specification but is not enstrophy conserving) 74 * SIMPLIFICATION 75 * revised structure of namlist_ref/_cfg and default reference values. 76 * lateral physics (LDF): simplification of user interface and removal of CPP keys 77 * vertical physics (ZDF) (modularity, share shear production calculation between TKE and GKS, removal of all ZDF CPP keys, removal of avmu & avmv, minimization of MPP comm.: ~15 removed) 78 * remove the split-explicit ZDF scheme for both TRA and DYN 79 * remove the acceleration of convergence 80 * ROBUSTNESS 81 * configuration interface completely rewritten (DOM module mainly suppressed , and in place: domain_cfg.nc file, or usr_def module) 82 * TEST Cases 67 68 * '''Test Cases 83 69 * The first test cases available for now are: 84 70 * CANAL: … … 90 76 * WAT: 91 77 92 * WAVEcoupling78 * '''Wave coupling 93 79 * coupled interface to external wave model 94 80 * large scale wave interaction process added in momentum and tracer equations 95 * SEA iCE 81 82 * ''' New sea-ice component 96 83 * New SI3 component (in place of LIMx), improvements in natural and computational sciences so as friendlier user interface 97 84 * Fully compatible with AGRIF 98 85 * Benefitting from the gathering of multiple communications into one 99 * TOP 86 87 * '''Passive tracer TOP and biogeochemical PISCES components 100 88 * The passive tracers transport component was redesigned toward a modular structure and users can enable each module directly through logical flags in namelist_top (no more fortran macros!). 101 89 * TOP currently accounts for the following 5 modules: CFC contains inorganic carbon tracers (CFC11/CFC12/SF6), MY_TRC is a template for new modules (or external couplings), AGE deals with water age tracking, C14 as a radiocarbon passive tracer, and the companion ecosystem model PISCES. … … 107 95 * Carbonate chemistry is based on MOCSY 2.0 routines (see Orr and Epitalon, 2015), by complying also with CMIP6 standards. 108 96 * Ecosystem components can be optionally modelled by means of explicit nutrient quotas (PISCES-QUOTA) 109 * Collaborative Development Environment 97 98 * '''High Performance Computing: performances improvements 99 * Reduce number of MPI communications (suppression of redundant communications, gather multiple communications into one) 100 * Back to standard dynamical allocation (remove of wrk_alloc/dealloc statements) 101 * XIOS software for IOs version 2 as default, and optionally available for restarts 102 103 * '''Simplification and robustness 104 * revised structure of namlist_ref/_cfg and default reference values. 105 * lateral physics (LDF): simplification of user interface and removal of CPP keys 106 * vertical physics (ZDF) (modularity, share shear production calculation between TKE and GKS, removal of all ZDF CPP keys, removal of avmu & avmv, minimization of MPP comm.: ~15 removed) 107 * remove the split-explicit ZDF scheme for both TRA and DYN 108 * remove the acceleration of convergence 109 * Generalised lbc_lnk and lbc_nfd 110 * Unify mppini 111 * Use non uniform jpi/jpj with dynamic allocation to avoid ghost rows/columns 112 * MPI Message passing re coded 113 * Configuration interface completely rewritten (DOM module mainly suppressed , and in place: domain_cfg.nc file, or usr_def module) 114 115 * '''Collaborative Development Environment 110 116 * Access to information on NEMO wiki reorganised through portals for users/developers/System Team and complete refactoring of all wiki pages and their layout 111 117 * Reorganisation of svn repository to be compliant with usual directory tree and faciltate building of NEMO executable