aspen模拟循环过程中的错误如何解决

ianhuang · 发表于 1970-1-1 08:00:00

本帖最后由 ianhuang 于 2014-9-22 22:01 编辑

循环模拟计算出现这种状况是什么引起的，后来收敛了，result available了，这样可以算模拟成功了吗？还需要怎么把错误什么的都清除吗
> Beginning Convergence Loop $OLVER01 Method: BROYDEN

Block: B30    Model: HEATER
  * WARNING
   ZERO FEED TO THE BLOCK.  BLOCK BYPASSED

Block: 123-C Model: HEATX
  *** SEVERE ERROR
   AT LEAST ONE FEED HAS ZERO FLOW
   BLOCK BYPASSED

Block: 119-C Model: HEATER
  * WARNING
   ZERO FEED TO THE BLOCK.  BLOCK BYPASSED

Block: 106-F Model: FLASH2
  * WARNING
   ZERO FEED TO THE BLOCK.  BLOCK BYPASSED

Block: 120-C Model: HEATX
  *** SEVERE ERROR
   AT LEAST ONE FEED HAS ZERO FLOW
   BLOCK BYPASSED

Block: 121-C Model: HEATX
  *** SEVERE ERROR
   AT LEAST ONE FEED HAS ZERO FLOW
   BLOCK BYPASSED

Block: B6    Model: FSPLIT
  * WARNING
   ZERO FEED TO THE BLOCK. BLOCK BYPASSED

Block: 103-JA Model: COMPR

Block: 116-C Model: HEATER

Block: 129-C Model: HEATER

Block: 105-F Model: FLASH2

Block: 103-JB Model: COMPR

Block: 124-C Model: HEATER

Block: B12    Model: FSPLIT

Block: 117-C Model: HEATER

Block: 118-C Model: HEATER

Block: B17    Model: MIXER

Block: B24    Model: FSPLIT
  * WARNING
   ZERO FEED TO THE BLOCK. BLOCK BYPASSED

Block: B28    Model: HEATER
  * WARNING
   ZERO FEED TO THE BLOCK.  BLOCK BYPASSED

Block: 105-D1 Model: REQUIL
  * WARNING
   ZERO FEED TO THE BLOCK. BLOCK BYPASSED

Block: 105-D2 Model: REQUIL
  * WARNING
   ZERO FEED TO THE BLOCK. BLOCK BYPASSED

Block: 105-D3 Model: REQUIL
  * WARNING
   ZERO FEED TO THE BLOCK. BLOCK BYPASSED

Block: 105-D4 Model: REQUIL
  * WARNING
   ZERO FEED TO THE BLOCK. BLOCK BYPASSED

小树 · 发表于 1970-1-1 08:00:00

同问~~~~ 我也一样的问题

sundancekid · 发表于 1970-1-1 08:00:00

初值设置不合理，导致某些管线物料流量为零。一般的办法是给物流一个流量初值，可以任意值，让它有个动力去计算和收敛，如果不行就改初值，很快就会收敛。

lvss89 · 发表于 1970-1-1 08:00:00

就是，给提醒流量为零的物流赋初值，就可以了，我也遇到过

zhxj · 发表于 1970-1-1 08:00:00

lvss89 发表于 2014-9-1 10:44
就是，给提醒流量为零的物流赋初值，就可以了，我也遇到过

刚学aspen，请问具体怎么解决的，是要给循环回来的物流设初值吗？可是这个物流量不知道啊，而且设的时候，会让把温度、分率、压力什么一并设定，，，貌似不对呀，烦请指教。

aspen模拟循环过程中的错误如何解决

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