DSTWU计算出的结果在Radfrac运行模拟出错
水和二甲基亚砜的精馏分离模拟过程中，先用DSTWU进行简捷计算，结果带入到Radfrac严格衡算中，结果总是出错，实在找不出原因，求大侠指教！多谢多谢！增加迭代次数，
->Processing input specifications ...
Flowsheet Analysis :
COMPUTATION ORDER FOR THE FLOWSHEET:
D COL1 COL2
->Calculations begin ...
Block: D Model: DUPL
Block: COL1 Model: DSTWU
Block: COL2 Model: RADFRAC
Convergence iterations:
OL ML IL Err/Tol
1 1 10 280.73
2 1 7 319.36
3 1 10 416.10
4 1 10 2379.6
5 1 10 2347.9
6 1 10 504.31
7 1 10 3743.3
8 1 10 3640.3
9 1 10 2073.6
10 1 10 2018.2
11 1 10 1833.6
12 1 10 1509.3
13 1 10 558.25
14 1 10 3965.2
15 1 10 3840.3
16 1 10 1433.6
17 1 10 1271.9
18 1 10 523.20
19 1 10 561.48
20 1 10 2187.5
21 1 10 2183.9
22 1 10 769.01
23 1 10 581.33
24 1 9 332.20
25 1 10 331.39
26 1 10 402.51
27 1 10 2302.6
28 1 10 2344.1
29 1 10 4694.0
30 1 10 4430.8
31 1 10 872.30
32 1 10 4691.1
33 1 10 1366.4
34 1 8 242.20
35 1 10 1633.0
36 1 10 1819.4
37 1 10 4830.9
38 1 10 4521.0
39 1 10 3541.2
40 1 10 3459.4
41 1 10 498.46
42 1 10 2813.8
43 1 10 2829.5
44 1 10 4434.2
45 1 10 4277.7
46 1 10 514.45
47 1 10 487.57
48 1 10 680.02
49 1 10 4096.2
50 1 10 3913.9
51 1 10 2829.1
52 1 10 2793.9
53 1 9 432.06
54 1 10 2167.3
55 1 10 2161.2
56 1 8 264.63
57 1 7 187.80
58 1 6 124.70
59 1 6 120.91
60 1 5 68.069
61 1 5 16.288
62 1 4 3.5349
63 1 4 0.74090
->Simulation calculations completed ...
***No Warnings were issued during Input Translation ***
***No Errors or Warnings were issued during Simulation ***
楼上正解，默认迭代次数为30，有时不会收敛 或者修改收敛方法：
->Calculations begin ...
Block: D Model: DUPL
Block: COL1 Model: DSTWU
Block: COL2 Model: RADFRAC
Convergence iterations:
OL ML IL Err/Tol
1 1 2 3319.2
2 1 2 42.023
3 1 2 23.110
4 1 2 2.7216
5 1 2 0.91750E-01
->Simulation calculations completed ...
***No Warnings were issued during Input Translation ***
***No Errors or Warnings were issued during Simulation ***
tdl522 发表于 2013-6-28 23:06
或者修改收敛方法：
->Calculations begin ...
真厉害！多谢多谢！！！{:1106_362:}
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