[FLASH-USERS] Nonconvergence in subroutine rieman

孙伟 wsun at mail.bnu.edu.cn
Wed Dec 20 21:08:22 EST 2017


Thank You very much!

在 2017-12-20 22:14:51,Esha Kundu <esha.kundu at astro.su.se> 写道:
Dear all,



I'm running the flash code radflaHD in 1D. The code runs properly for some time and then got aborted because of the following error:



Nonconvergence in subroutine rieman


 Zone index       =           71
 Zone center      =    47374441964285712.
 Iterations tried =           12
 Pressure error   =    1.0471366062501732E-005
 rieman_tol       =    1.0000000000000001E-005


 pL       =    6.1379631463855528E-016  pR       =   6.1379670668751590E-016
 uL       =    298862323.76308846       uR       =   298862461.02809691
 cL       =    2.0001184805161569E-017  cR       =   2.0001182294886163E-017
 gamma_eL =    1.6662744792216422       gamma_eR =   1.6662744792216424
 gamma_cL =    1.6662744792216422       gamma_cR =   1.6662744792216424


 Iteration history:


   n                    p*
   1    0.100000000000E-29
   2    0.783386173068E-21
   3    0.434967960562E-21
   4    0.544861495611E-21
   5    0.579319637957E-21
   6    0.572926460603E-21
   7    0.574080784292E-21
   8    0.574176977933E-21
   9    0.574128881113E-21
  10    0.574152929523E-21
  11    0.574140905318E-21
  12    0.574146917420E-21


 Terminating execution.


 Driver_abort called.



Does anyone know why the rieman subroutine did not converge?



Regards,

Esha



Department of Astronomy
The Oskar Klein Centre
Stockholm University
10691 Stockholm 
Sweden






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