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1592203609

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[求助] 各位大神,这是什么情况?求解释!

<< Run reinitialized 20:18:29 Wed Mar 6, 2013>>



->Processing input specifications ...

  Flowsheet Analysis :

Block $OLVER01 (Method: WEGSTEIN) has been defined to converge
         streams: RECYCLE

COMPUTATION ORDER FOR THE FLOWSHEET:
$OLVER01 REACTOR C-1 COOLER SEP
(RETURN $OLVER01)

->Calculations begin ...


> Beginning Convergence Loop $OLVER01 Method: WEGSTEIN

   Block: REACTOR  Model: RSTOIC

   Calculator Block C-1

   Block: COOLER   Model: HEATER
  *** SEVERE ERROR
      SPECIFIED PRESSURE DROP (-1.3082D+05) WOULD RESULT IN A PRESSURE LESS
      THAN  0.0 . PRESSURE DROP IGNORED. STREAM PRESSURE (1.0000D+05) USED.
      PROBLEM OCCURRED WHILE FLASHING OUTLET STREAM.


   Block: SEP      Model: FLASH2

> Loop $OLVER01 Method: WEGSTEIN     Iteration    1
   4 vars not converged, Max Err/Tol   0.10000E+07

   Block: REACTOR  Model: RSTOIC

   Calculator Block C-1

   Block: COOLER   Model: HEATER
  *** SEVERE ERROR
      SPECIFIED PRESSURE DROP (-1.3680D+05) WOULD RESULT IN A PRESSURE LESS
      THAN  0.0 . PRESSURE DROP IGNORED. STREAM PRESSURE (1.0000D+05) USED.
      PROBLEM OCCURRED WHILE FLASHING OUTLET STREAM.


   Block: SEP      Model: FLASH2

> Loop $OLVER01 Method: WEGSTEIN     Iteration    2
   5 vars not converged, Max Err/Tol  -0.41801E+04

   Block: REACTOR  Model: RSTOIC

   Calculator Block C-1

   Block: COOLER   Model: HEATER
  *** SEVERE ERROR
      SPECIFIED PRESSURE DROP (-1.3710D+05) WOULD RESULT IN A PRESSURE LESS
      THAN  0.0 . PRESSURE DROP IGNORED. STREAM PRESSURE (1.0000D+05) USED.
      PROBLEM OCCURRED WHILE FLASHING OUTLET STREAM.


   Block: SEP      Model: FLASH2

> Loop $OLVER01 Method: WEGSTEIN     Iteration    3
   5 vars not converged, Max Err/Tol  -0.80516E+03

   Block: REACTOR  Model: RSTOIC

   Calculator Block C-1

   Block: COOLER   Model: HEATER
  *** SEVERE ERROR
      SPECIFIED PRESSURE DROP (-1.3708D+05) WOULD RESULT IN A PRESSURE LESS
      THAN  0.0 . PRESSURE DROP IGNORED. STREAM PRESSURE (1.0000D+05) USED.
      PROBLEM OCCURRED WHILE FLASHING OUTLET STREAM.


   Block: SEP      Model: FLASH2

> Loop $OLVER01 Method: WEGSTEIN     Iteration    4
   3 vars not converged, Max Err/Tol   0.80754E+02

   Block: REACTOR  Model: RSTOIC

   Calculator Block C-1

   Block: COOLER   Model: HEATER
  *** SEVERE ERROR
      SPECIFIED PRESSURE DROP (-1.3709D+05) WOULD RESULT IN A PRESSURE LESS
      THAN  0.0 . PRESSURE DROP IGNORED. STREAM PRESSURE (1.0000D+05) USED.
      PROBLEM OCCURRED WHILE FLASHING OUTLET STREAM.


   Block: SEP      Model: FLASH2

> Loop $OLVER01 Method: WEGSTEIN     Iteration    5
   4 vars not converged, Max Err/Tol   0.36626E+01

   Block: REACTOR  Model: RSTOIC

   Calculator Block C-1

   Block: COOLER   Model: HEATER
  *** SEVERE ERROR
      SPECIFIED PRESSURE DROP (-1.3709D+05) WOULD RESULT IN A PRESSURE LESS
      THAN  0.0 . PRESSURE DROP IGNORED. STREAM PRESSURE (1.0000D+05) USED.
      PROBLEM OCCURRED WHILE FLASHING OUTLET STREAM.


   Block: SEP      Model: FLASH2

> Loop $OLVER01 Method: WEGSTEIN     Iteration    6
   1 vars not converged, Max Err/Tol  -0.20024E+01

   Block: REACTOR  Model: RSTOIC

   Calculator Block C-1

   Block: COOLER   Model: HEATER
  *** SEVERE ERROR
      SPECIFIED PRESSURE DROP (-1.3709D+05) WOULD RESULT IN A PRESSURE LESS
      THAN  0.0 . PRESSURE DROP IGNORED. STREAM PRESSURE (1.0000D+05) USED.
      PROBLEM OCCURRED WHILE FLASHING OUTLET STREAM.


   Block: SEP      Model: FLASH2

> Loop $OLVER01 Method: WEGSTEIN     Iteration    7
# Converged              Max Err/Tol   0.26929E+00

->Simulation calculations completed ...



  ***  No Warnings were issued during Input Translation ***


               ***  Summary of Simulation Errors  ***

                   Physical
                   Property         System        Simulation
  Terminal Errors      0               0               0
    Severe Errors      0               0               7
           Errors      0               0               0
         Warnings      0               0               0
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ookami

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【答案】应助回帖

感谢参与,应助指数 +1
你指定的压力有问题
成功在于自己的努力。
2楼2013-03-06 20:54:13
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1592203609

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引用回帖:
2楼: Originally posted by ookami at 2013-03-06 20:54:13
你指定的压力有问题

谢谢您的回复,我不是不认识单词,只是想知道详细的问题,况且,这个模拟我是按标准教材做出来的!为何会有问题?
3楼2013-03-06 21:10:09
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