这个程序不加速度限制是能用的，但是不符合条件，加上之后就不可解了，

相思枕畔

MODEL:
    title economic pipe;
    sets:
         tubulation/1..9/,Q;
         caliber/1..8/:C,D;
         jiedian/1..9/:EK,SK;
         LINK(tubulation,caliber):X,Z,V;
         LINKS(jiedian,tubulation):Y;
         HIGH/1/:H;
    ENDSETS
    DATA:
    !各段管长;
    L=700,700,700,500,500,500,500,500,500;
    !各段流量;
    Q=0.135,0.060,0.015,0.015,0.045,0.015,0.015,0.015,0.015;
    !节点服务水压标高;
    EK=47,46,44,46,44,43,45,46,43;
    !水源到节点的管段数;
    !A=1,2,3,2,2,3,3,3,3;
    !节点地面高程;
    SK=35,34,32,34,32,31,33,34,31;
    !标准管径单价;
    C=25.0 30.8 38.7 42.0 55.2 64.0 83.2 103.2;
    !标准管径;
    D=0.1 0.15 0.20 0.25 0.30 0.35 0.4 0.5;
     Y=1 0 0 0 0 0 0 0 0
       1 1 0 0 0 0 0 0 0
       1 1 1 0 0 0 0 0 0
       1 0 0 1 0 0 0 0 0
       1 0 0 0 1 0 0 0 0
       1 0 0 0 1 1 0 0 0
       1 0 0 0 1 0 1 0 0
       1 1 0 0 0 0 0 1 0
       1 1 0 0 0 0 0 0 1;
     Z=1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1
       1 1 1 1 1 1 1 1;
     ENDDATA
    !速度要求;
    @for(link(i,j)(4*q(i)/(3.14*d(j)^2))*z(i,j))=v(i,j));
    @for(link(i,j):v(i,j)>0.6);
    @for(link(i,j):v(i,j)<3.0);
    !OBJECTIVE FUNCTION(目标函数);
    [OBJ]MIN=@SUM(LINK(I,J):X(I,J)*Z(I,J)*C(J))*((0.08*(1+0.08)^20)/((1+0.08)^20-1)+5/100)+86*10^3*0.3*0.2*H(1)*0.135/0.7;
    !pipe range CONSTRAINTE(管长约束);
    @FOR(tubulation(I):[RANGE_CON]@SUM(caliber(J):X(I,J)*Z(I,J))=L(I));
    !Stress constraint(压力约束);
    @FOR(jiedian(K)sum(tubulation(I):y(K,I)*@SUM(caliber(J)|0.6#le#((4*q(i)/(3.14*d(j)^2))*z(i,j))#le#3.01.942*10^-3*Q(I)^2/D(J)^5.342)*X(I,J)*Z(I,J)))<30.2-EK(K)-0.2+H(1));
    !Stress constraint(管道承压力约束);
    @FOR(jiedian(K)sum(tubulation(I):y(K,I)*@SUM(caliber(J)|0.6#le#((4*q(i)/(3.14*d(j)^2))*z(i,j))#le#3.01.942*10^-3*Q(I)^2/D(J)^5.342)*X(I,J)*Z(I,J)))>30.2-SK(K)-102*0.4-0.2+H(1));
    !非负假定;
    @FOR(LINK(I,J):X(I,J)>=0);
    !泵出口水压要求;
    H(1)<102*0.4+0.2;

相思枕畔

跪求大神解答啊，主要就是限制速度那一块，有问题，应该怎么淘汰d呢？？