Aspen Plus循环问题

一生一代一双人 · 发表于 1970-1-1 08:00:00

模拟循环时，有错误和警告，目前改了，但还是有错，请帮我再看看，教教我怎么改。。。灰常感激啊。。。


<< Run reinitialized 15:52:48 Thu May 21, 2015>>

->Processing input specifications ...

Disable STREAM O2 due to disabled source AND destination
Disable STREAM NO due to disabled source AND destination
Disable STREAM PRODUCT5 due to disabled source AND destination
Disable STREAM PRODUCT6 due to disabled source AND destination
Disable STREAM CH3OH2 due to disabled source AND destination
Disable STREAM PRODUCT7 due to disabled source AND destination
Disable STREAM V2 due to disabled source AND destination
Disable STREAM L2 due to disabled source AND destination

  Flowsheet Analysis :

Block $OLVER01 (Method: SECANT  ) has been defined to converge
      specs : DS-1

COMPUTATION ORDER FOR THE FLOWSHEET:
MIXER H1 R1 H2
$OLVER01 D1
(RETURN $OLVER01)

->Calculations begin ...

Block: MIXER Model: MIXER

Block: H1    Model: HEATER

Block: R1    Model: RSTOIC

Block: H2    Model: HEATER

Block: D1    Model: DISTL
  *** SEVERE ERROR
   VAPOR FLOWRATE BELOW THE FEED STAGE IS ZERO.
   FEED QUALITY IS 0.10000E+36 REFLUX RATIO IS 1.2000
   EITHER FEED QUALITY IS TOO HIGH OR REFLUX RATIO IS TOO LOW.

> Beginning Convergence Loop $OLVER01 Method: SECANT
1 vars not converged, Max Err/Tol  -0.60899E+02

Block: D1    Model: DISTL
  *** SEVERE ERROR
   VAPOR FLOWRATE BELOW THE FEED STAGE IS ZERO.
   FEED QUALITY IS 0.10000E+36 REFLUX RATIO IS 1.2000
   EITHER FEED QUALITY IS TOO HIGH OR REFLUX RATIO IS TOO LOW.

> Loop $OLVER01 Method: SECANT    Iteration 2
  * WARNING
   SPEC FUNCTION NOT CHANGING, POSSIBLY HAS A FLAT  RESPONSE
   TO THE MANIPULATED PARAMETER WITHIN THE GIVEN BOUNDS.

1 vars not converged, Max Err/Tol  -0.60899E+02
  **  ERROR
   Convergence block $OLVER01 did not converge
   normally in the final pass

->Generating block results ...

Block: H1    Model: HEATER

Block: H2    Model: HEATER

->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             2
         Errors    0             0             1
      Warnings    0             0             1

->Generating results ...

缘如此 · 发表于 1970-1-1 08:00:00

作为刚学习Aspen的新手，我是来友情顶贴的！

zzb7410 · 发表于 1970-1-1 08:00:00

就这点东西谁都帮不了啊，只能告诉你调整各种参数了

guojuanlu · 发表于 1970-1-1 08:00:00

要上传文档文件才能搞啊

yingxiongmolu · 发表于 1970-1-1 08:00:00

FEED QUALITY IS 0.10000E+36 REFLUX RATIO IS 1.2000
   EITHER FEED QUALITY IS TOO HIGH OR REFLUX RATIO IS TOO LOW.
A FLAT  RESPONSE
   TO THE MANIPULATED PARAMETER WITHIN THE GIVEN BOUNDS.
初值不合适而导致操纵变量无变化！调节进料，下调试试！

2331419016 · 发表于 1970-1-1 08:00:00

下次发贴求助要附上相关说明和文件

qianseason · 发表于 1970-1-1 08:00:00

注意初值的选取深有感触

Aspen Plus循环问题

相关帖子