Changes between Version 9 and Version 10 of 2017WP/ENHANCE-05_Gurvan-RK3

Timestamp:

2017-07-25T10:07:38+02:00 (7 years ago)

Author:

gm

Comment:

--

2017WP/ENHANCE-05_Gurvan-RK3

@@ -5 +5 @@
 || '''Action''' || ENHANCE-5_Gurvan — RK-3 time stepping ||
 || '''PI(S)''' || Gurvan Madec ||
-{{{#!td
-'''Digest'''
-}}}
-{{{#!td
-Introduce an optional RK3 time-stepping scheme. The scheme will:
+
+{{{#!td '''Digest''' }}} {{{#!td Introduce an optional RK3 time-stepping scheme. The scheme will:
 
  1. be a valuable alternative to the current Modified Leap-Frog (MLF, Leclair and Madec OM2009) scheme,
@@ -17 +14 @@
  1. make feasible to properly implement an implicit computation of top and bottom friction (properly means consistent with the ssh time splitting scheme)
 
-As such a change will impact many module of OPA, it has been preferred to develop the RK3 version in a separate directory, RK3_SRC, put at the same level as OPA_SRC and being a copy of OPA_SRC as starting point. 
+As such a change will impact many module of OPA, it has been preferred to develop the RK3 version in a separate directory, RK3_SRC, put at the same level as OPA_SRC and being a copy of OPA_SRC as starting point.
 
 In addition to the RK3 scheme, a Forward-Bacward Scheme (FBS) will be introduced. The goals associated with FBS are the following:
 
-   ''(i)'' FB scheme is also a two levels time-stepping scheme but much simpler than a RK3. Its implementation will prepare all the required environment for the RK3 scheme, while been much easier to develop and test.
+  '' (i)''  FB scheme is also a two levels time-stepping scheme but much simpler than a RK3. Its implementation will prepare all the required environment for the RK3 scheme, while been much easier to develop and test.
 
-   ''(ii)'' FB scheme may be a valuable alternative for low resolution simulations (in particular ORCA 2° and 1°) which do not necessarily need a high order time-stepping scheme, although FB scheme requires to used UBS scheme on advection of both dynamics and tracers.
+  '' (ii)''  FB scheme may be a valuable alternative for low resolution simulations (in particular ORCA 2° and 1°) which do not necessarily need a high order time-stepping scheme, although FB scheme requires to used UBS scheme on advection of both dynamics and tracers.
 
-In practice the work is to :
+In practice the work is to :[[BR]]• start from the trunk, updated with HPC09 branch (i.e. ZDF modifications)[[BR]]• create RK3_SRC directory a a copy of OPA_SRC[[BR]]• implement the FB scheme in a stp_fbs routine (found either in step.F90 or in stpfbs.F90), [[BR]]   implying changes in most of SBC, TRA, DYN and ZDF modules[[BR]]• implement the RK3 scheme in a stp_rk3 routine (found either in step.F90 or stprk3.F90)
 
- * start from the trunk, updated with HPC09 branch (i.e. ZDF modifications)
+}}} |-
 
- * create RK3_SRC directory a a copy of OPA_SRC
-
- * implement the FB scheme in a stp_fbs routine (found either in step.F90 or in stpfbs.F90), implying changes in most of SBC, TRA, DYN and ZDF modules
-
- * implement the RK3 scheme in a stp_rk3 routine (found either in step.F90 or stprk3.F90)
-}}}
-|-
 || '''Dependencies''' || no ||
 || '''Target''' || 2017 merge party ||