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北京石油化工学院2026年研究生招生接收调剂公告
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yuyi2009

铜虫 (小有名气)

[求助] VB入门解惑 已有1人参与

刚开始学习VB,还不太熟悉,帮我看个题,谢啦~就是在主函数里面调用UNIFAC模型,不知道在哪里调试!
Option Explicit
Private Sub Command1_Click()
Dim NG As Integer, NC As Integer, T As Single, XC() As Variant, RK() As Variant, QK() As Variant, A() As Single, V() As Single
NG = 4
NC = 2
T = 298
XC = Array(0.1, 0.9)
RK = Array(0.9011, 0.6744, 0.1, 2.8266)
QK = Array(0.848, 0.54, 1.2, 2.472)
A(1, 1) = 0
A(1, 2) = 0
A(1, 3) = 986.5
A(1, 4) = 526.5
A(2, 1) = 0
A(2, 2) = 0
A(2, 3) = 986.5
A(2, 4) = 526.5
A(3, 1) = 156.4
A(3, 2) = 156.4
A(3, 3) = 0
A(3, 4) = -202.1
A(4, 1) = 50.49
A(4, 2) = 50.49
A(4, 3) = -25.87
A(4, 4) = 0
V(1, 1) = 1
V(1, 2) = 1
V(1, 3) = 1
V(1, 4) = 0
V(2, 1) = 0
V(2, 2) = 0
V(2, 3) = 0
V(2, 4) = 1
Call UNIFAC
End Sub
Sub UNIFAC(NG As Integer, NC As Integer, T As Single, XC() As Single, RK() As Single, QK() As Single, A() As Single, V() As Single, GAMMA() As Single)
'This program calculates liquid phase activity coefficients using UNIFAC method
'NC--number of components in the mixture
'NG-number of functional group in the mixture
'QK(k)-the area parameter of functional group
'RK(k)-the volume parameter of functional group
'A(k,m)-the interactional parameter of functional group
'V(i,k)-the number of "'k" functional group in the "i" components
'T-system temperature,K
'XC(i)-mol fraction of "i" components
'GAMMA(i)--activity coefficients of "i" components

Dim i As Integer, K As Integer, M As Integer, n As Integer
Dim SUM1 As Single, SUM2 As Single, SUM3 As Single, SUM4 As Single
Dim Q(10) As Single, R(10) As Single, THETA1(10) As Single, THETA2(10, 10) As Single, PHI(10, 10) As Single

SUM1 = 0
SUM2 = 0
SUM3 = 0
For i = 1 To NC
   Q(i) = 0
   R(i) = 0
   For K = 1 To NG
      Q(i) = Q(i) + V(i, K) * QK(K)
      R(i) = R(i) + V(i, K) * RK(K)
   Next K
   SUM1 = SUM1 + XC(i) * (5 * (R(i) - Q(i)) - R(i) + 1) '计算SUM(x(i)*l(i))
   SUM2 = SUM2 + XC(i) * Q(i)
   SUM3 = SUM3 + XC(i) * R(i)
Next i

For i = 1 To NC
    GAMMA(i) = Log(R(i) / SUM3) + 5 * Q(i) * Log(Q(i) * SUM3 / R(i) / SUM2)
    GAMMA(i) = Exp(GAMMA(i) + 5 * (R(i) - Q(i)) - R(i) + 1 - R(i) * SUM1 / SUM3)
Next i

SUM1 = 0
For i = 1 To NC
    SUM2 = 0
    SUM3 = 0
    For K = 1 To NG
        SUM2 = SUM2 + V(i, K) * XC(i)
        SUM3 = SUM3 + V(i, K)
    Next K
    SUM1 = SUM1 + SUM2
    SUM4 = 0
    For K = 1 To NG
        THETA2(i, K) = V(i, K) / SUM3
        SUM4 = SUM4 + QK(K) * THETA2(i, K)
    Next K
    For K = 1 To NG
        THETA2(i, K) = QK(K) * THETA2(i, K) / SUM4
    Next K
Next i
      
SUM2 = 0
For K = 1 To NG
    SUM3 = 0
    For i = 1 To NC
      SUM3 = SUM3 + V(i, K) * XC(i)
    Next i
    THETA1(K) = SUM3 / SUM1
    SUM2 = SUM2 + QK(K) * THETA1(K)
Next K

For K = 1 To NG
    THETA1(K) = QK(K) * THETA1(K) / SUM2
    For M = 1 To NG
        PHI(K, M) = Exp(-A(K, M) / T)
    Next M
Next K

For K = 1 To NG
    SUM1 = 0
    SUM2 = 0
    For M = 1 To NG
        SUM1 = SUM1 + THETA1(M) * PHI(M, K)
        SUM3 = 0
        For n = 1 To NG
            SUM3 = SUM3 + THETA1(n) * PHI(n, M)
        Next n
        SUM2 = SUM2 + THETA1(M) * PHI(K, M) / SUM3
    Next M
    Q(K) = QK(K) * (1 - Log(SUM1) - SUM2)
Next K

For i = 1 To NC
    SUM4 = 0
    For K = 1 To NG
        SUM1 = 0
        SUM2 = 0
        For M = 1 To NG
            SUM1 = SUM1 + THETA2(i, M) * PHI(M, K)
            SUM3 = 0
            For n = 1 To NG
                SUM3 = SUM3 + THETA2(i, n) * PHI(n, M)
            Next n
            SUM2 = SUM2 + THETA2(i, M) * PHI(K, M) / SUM3
        Next M
        SUM4 = SUM4 + V(i, K) * (Q(K) - QK(K) * (1 - Log(SUM1) - SUM2))
    Next K
    GAMMA(i) = GAMMA(i) * Exp(SUM4)
  
Next i

End Sub

End Sub
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deephill

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【答案】应助回帖

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yuyi2009: 金币+20, 有帮助 2014-07-09 11:04:34
Option Explicit  语句表示,后面出现的变量都必须先定义才能使用。
对待要求不是太严格的程序或新手,这一句话不要就好了。
6楼2014-06-09 09:29:12
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biowhb

银虫 (正式写手)

不知道楼主想要表达什么?你要调试什么啊?你这个算法一大堆,说白了,这个算法是通用的算法,本身应该没什么问题,一步调用也不会有什么问题。
生物技术-基因工程制药
2楼2014-06-03 10:11:03
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yuyi2009

铜虫 (小有名气)

引用回帖:
2楼: Originally posted by biowhb at 2014-06-03 10:11:03
不知道楼主想要表达什么?你要调试什么啊?你这个算法一大堆,说白了,这个算法是通用的算法,本身应该没什么问题,一步调用也不会有什么问题。

好吧!可能我没有说清楚,下面的算法应该没问题。就是我不知道怎么调用是对的,因为运行出错了,谢谢!
3楼2014-06-03 10:18:04
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biowhb

银虫 (正式写手)

引用回帖:
3楼: Originally posted by yuyi2009 at 2014-06-03 10:18:04
好吧!可能我没有说清楚,下面的算法应该没问题。就是我不知道怎么调用是对的,因为运行出错了,谢谢!...

出错,就把错误代码写出来,并且标记一下,出错在哪一行
生物技术-基因工程制药
4楼2014-06-03 14:25:57
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