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WRF > restartを試した

Last updated at Posted at 2016-08-04
動作環境
WRF 3.7.1 on CentOS 6.8 (64bit)

WRF(Weather Research and Forecasting Model)に関して。

WRFの計算においては、計算を途中まで実行して再度継続した計算をするrestart機能があるようだ。
以下に記載がある。
http://www2.mmm.ucar.edu/wrf/OnLineTutorial/CASES/Restart/wrf.htm

restartの前の実行

namelist.inputにおいて以下のような設定にしておく。

  • restart = .false.,
  • restart_interval = 360,

例として、2014/08/03 12:00:00から2014/08/03 18:00:00までの6時間の計算を実行する (./real.exe と ./wrf.exe)。

restart時の実行

namelist.inputにおいて以下の設定にする。

  • restart = .true.,
  • restart_interval = 360,

restartなので、前回の続きの2014/08/03 18:00:00から2014/08/04 00:00:00までの6時間とした。

生成ファイル

restartでない方の実行

  • wrfout_d01_2014-08-03_12:00:00
  • wrfrst_d01_2014-08-03_18:00:00

開始日時とそこから6時間後のファイルが生成された。

restartでの実行

  • wrfout_d01_2014-08-03_21:00:00
  • wrfrst_d01_2014-08-04_00:00:00

wrfout_d01の方の日時が08-03_18:00:00でなく、08-03_21:00:00となっているのは設定の問題なのか、正しい出力なのか、未消化。

設定ファイルのtime_control部分

namelist.input.start

&time_control
 run_days                            = 0,
 run_hours                           = 12,
 run_minutes                         = 0,
 run_seconds                         = 0,
 start_year                          = 2014, 
 start_month                         = 08,      
 start_day                           = 03,      
 start_hour                          = 12,      
 start_minute                        = 00,      
 start_second                        = 00,      
 end_year                            = 2014,  
 end_month                           = 08,     
 end_day                             = 03,      
 end_hour                            = 18,      
 end_minute                          = 00,      
 end_second                          = 00,      
 interval_seconds                    = 21600
 input_from_file                     = .true.,
 history_interval                    = 180,     
 frames_per_outfile                  = 1000,  
 restart                             = .false.,
 restart_interval                    = 360,

namelist.input.restart

&time_control
 run_days                            = 0,
 run_hours                           = 12,
 run_minutes                         = 0,
 run_seconds                         = 0,
 start_year                          = 2014, 
 start_month                         = 08,      
 start_day                           = 03,      
 start_hour                          = 18,      
 start_minute                        = 00,      
 start_second                        = 00,      
 end_year                            = 2014,  
 end_month                           = 08,     
 end_day                             = 04,      
 end_hour                            = 00,      
 end_minute                          = 00,      
 end_second                          = 00,      
 interval_seconds                    = 21600
 input_from_file                     = .true.,
 history_interval                    = 180,     
 frames_per_outfile                  = 1000,  
 restart                             = .true.,
 restart_interval                    = 360,
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