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comment out if-statement related to IMEX to avoid suprises
fix a comment
- rename recently introduced parameters from (wrong name) AB to
BDF (backward difference time discretisation)
- retire runtime parameters SEAICEuseAB2, SEAICE_abEps
The scheme is still experimental and does not work to my satisfaction,
but at least the name is not approprate
add Adams-Bashforth2 time discretization for ice dynamics; so far only for JFNK-solver - requires an additional time level that is stored in the pickup - you can start with AB2 from a pickup without this time level with pickupStrictlyMatch = .false.
turn some parameters for choosing the convergence criterion of the inexact Newton method (JFNK) into runtime parameters for convenience
simplify the use of CPP flags (compile when SEAICE_ALLOW_JFNK is defined)
remove unused variable
fix line search in s/r seaice_jfnk_update: move the logic to after the computation of the new residual (and now the line search actually improves the convergence)
replace a hard coded parameter by a runtime parameter SEAICE_JFNK_tolIter
add a parameter JFNKres_tFac that can replace JFNKres_t
(= JFNKres_tFac*JFNKresidual before JFNK solver)
fix previous check-in: - remove superfluous code and commented code - add comments - call new s/r seaice_jfnk_update only for newtonIter = 1 at the beginning of the Newton loop
add a line search option to the JFNK solver
remove unused variable, add a comment
- add a metric based on grid cell area to SEAICE_SCALPROD
only print residuals at each krylov iteration for debugLevel.ge.debLevC
fix output diagnostic's text
- remove unused field pressPre from jfnk solver
add calendar dump capability for the JFNK counters
compute etaZpre and modify call to preconditioner accordingly
only call the preconditioner if SOLV_MAX_ITERS > 0
count only for SEAICE_monFreq > 0
- move control over output-messages by fgmres to seaice_jfnk to save
some operations
- improve I/O of diagnostics of JFNK in seaice_jfnk.F:
+ add (SEAICE.h) and rename some counters (initiliased in
seaice_init_fixed.F)
+ add _BEGIN/END_MASTER (myThid) around print statements
+ print total number of iterations and failures over SEAICE_monFreq
interval to STDOUT
move resetting initial guess for fgmres outside of seaice_fgmres_driver in order to make restarts with sol .ne. zero (fgmres with restarts)
move one exchange and remove a second one improve counting of newton steps a little
save also precomputed pressure and pass it to the preconditioner
add JFNK-solver routines, mostly parallel and mult-threaded (except for FGMRES)
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