li1025908312 发表于 2018-6-11 15:53:44

模拟过程中存在警告,能否帮忙看一下。非常感谢

Aspen模拟过程中出现错误及警告,新手刚开始学,有没有大神帮忙看一下!!!非常感谢!!!10259083121025908312
<< Loading Simulation Engine 15:47:28 Mon Jun 11, 2018>>



->Processing input specifications ...

*   WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 80
      STREAM NAME: C4H8
      COMPONENT MASS FLOWS OF SUBSTREAM: "MIXED"
      ARE NORMALIZED TO THE TOTAL MASS FLOW VALUE.

*   WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 85
      STREAM NAME: C5H8
      COMPONENT MOLE FLOWS OF SUBSTREAM: "MIXED"
      ARE NORMALIZED TO THE TOTAL MOLE FLOW VALUE.

*   WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 89
      STREAM NAME: CH3CL
      COMPONENT MOLE FLOWS OF SUBSTREAM: "MIXED"
      ARE NORMALIZED TO THE TOTAL MOLE FLOW VALUE.

*   WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 96
      STREAM NAME: MAX
      COMPONENT MASS FLOWS OF SUBSTREAM: "MIXED"
      ARE NORMALIZED TO THE TOTAL MASS FLOW VALUE.

*   WARNING IN PHYSICAL PROPERTY SYSTEM
      MARK-HOUWINK VISCOSITY MODEL HAS MISSING PARAMETERS:
      THE CRITICAL MOLECULAR WEIGHT (CRITMW) IS MISSING FOR COMPONENT IIR
      AN APPROXIMATE VALUE OF30000 IS ASSUMED

Flowsheet Analysis :

COMPUTATION ORDER FOR THE FLOWSHEET:
E103 E102 E101 P103 P102 P101 R101 E104 T101

->Calculations begin ...


   Block: E103   Model: HEATER

   Block: E102   Model: HEATER

   Block: E101   Model: HEATER

   Block: P103   Model: PUMP

   Block: P102   Model: PUMP

   Block: P101   Model: PUMP

   Block: R101   Model: RCSTR
**ERROR
      M-BAL LOOP DID NOT CONVERGE IN 50 ITERATIONS.
      CHECK STOICHIOMETRY/MOLECULAR WEIGHTS.


   Block: E104   Model: HEATER

   Block: T101   Model: SEP2

->Generating block results ...

    Block: P101   Model: PUMP

    Block: P102   Model: PUMP

    Block: P103   Model: PUMP

->Simulation calculations completed ...



***Warning(s) were issued during Input Translation ***
***Check the Run Status Results for more Information ***


               ***Summary of Simulation Errors***

                   Physical
                   Property         System      Simulation
Terminal Errors      0               0               0
    Severe Errors      0               0               0
         Errors      0               0               1
         Warnings      1               0               0


YANWUU 发表于 2018-6-11 15:53:44

一看就知道你是直接拿人家的文件直接改的,你连物流都不知道改。悲哀啊!

forever999 发表于 2018-6-11 15:53:44

就是没有归一化而已,你改成质量分数或者摩尔分数,归一化一下好了!

li1025908312 发表于 2018-6-11 15:53:44

haha123456 发表于 2018-6-11 20:16
就是没有归一化而已,你改成质量分数或者摩尔分数,归一化一下好了!

谢谢,那那个反应器的错误是什么原因,我增加迭代次数了。但是还是不行。

forever999 发表于 2018-6-11 15:53:44

你自习检查一下你的化学反应,是不是不平衡?

zombie 发表于 2018-6-11 15:53:44

如果是练习建议选择简单做起,熟悉各步骤流程
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