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发表于 2015-4-11 20:06:17
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本帖最后由 风澈月华 于 2015-4-14 23:09 编辑
这是反应精馏模拟出现的一些问题,文件也上传了,有懂的朋友帮我看看吧
->Calculations begin ...
Block: RD Model: RADFRAC
* WARNING
REACTIVE FLASH FAILURE INSIDE LOOP RMSERR = 1.4043-03 OUTSIDE LOOP
RMSERR = 2.9451D-06
INFORMATION
REACTIVE FLASH FAILURE INSIDE LOOP RMSERR = 1.4058-03 OUTSIDE LOOP
RMSERR = 6.0295D-06 COMPOSITE FEED FLASH FAILED TO CONVERGE; COLUMN
CALCULATIONS CONTINUE. IF CALCULATIONS FAIL, SUPPLY T-EST, X-EST AND
Y-EST
Convergence iterations:
OL ML IL Err/Tol
1 1 1 0.10553E-11
2 1 1 0.18505E-12
3 1 1 0.27562E-12
4 1 1 0.0000
5 1 1 0.12930E-14
6 1 1 0.0000
7 1 1 0.0000
8 1 1 0.0000
9 1 1 0.0000
10 1 1 0.0000
11 1 1 0.0000
12 1 1 0.0000
13 1 1 0.0000
14 1 1 0.0000
15 1 1 0.0000
16 1 1 0.0000
17 1 1 0.0000
18 1 1 0.0000
19 1 1 0.0000
20 1 1 0.0000
21 1 1 0.0000
22 1 1 0.16162E-15
23 1 1 0.0000
24 1 1 0.0000
25 1 1 0.0000
** ERROR
RADFRAC NOT CONVERGED IN 25 OUTSIDE LOOP ITERATIONS.
** ERROR
BLOCK RD IS NOT IN MASS BALANCE:
MASS INLET FLOW = 0.90555556E-01, MASS OUTLET FLOW = 0.88149907E-01
RELATIVE DIFFERENCE = 0.27290440E-01
这是质量不守恒吗,为什么会出现这种情况,该怎么调?
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