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Title "Type your title here"
Parameters a[1,4], b[1,4],theta[0,pi/2],phi[-pi/8,pi/8];
Minimum;
StartProgram;
const xx: array[1..24] of double
        =(0.703,1.698,1.698,0.703,-0.703,-1.698,-1.698,-0.703,1.246,3.008,3.008,1.246,-1.246,
        -3.008,-3.008,-1.246,0,-2.926,-4.138,-2.926,0,2.926,4.138,2.926);
      yy: array[1..24] of double
        =(1.698,0.703,-0.703,-1.698,-1.698,-0.703,0.703,1.698,3.008,1.246,-1.246,-3.008,-3.008,
        -1.246,1.246,3.008,4.138,2.926,0,-2.926,-4.138,-2.926,0,2.926);
var i,j: Integer;
    Etot,r,angle,out1,out2,out3: double;
    Ax,Ay,Ar,Ae,Bx,By,Br,Be,dist,rou: double;
    M: array[0..3,1..24,1..4] of double;
Begin
for i:=1 to 24 do
    begin
        M[0,i,1]:=xx;
        M[0,i,2]:=yy;
    end;
for i:=1 to 8 do
    begin
         M[0,i,3]:= 1.9;
         M[0,i,4]:= 0.044;
         M[0,i+8,3]:= 1.9;
         M[0,i+8,4]:= 0.044;
         M[0,i+16,3]:= 2.11;
         M[0,i+16,4]:= 0.202;
    end;
M[1]:=M[0];
for i:=1 to 24 do
  begin
         r:=sqrt(M[1,i,1]*M[1,i,1]+M[1,i,2]*M[1,i,2]);
         if M[1,i,1]>=0 then
              angle:=arcsin(M[1,i,2]/r)
            else
              angle:= (M[1,i,2]/abs(M[1,i,2]))*(pi-abs(arcsin(M[1,i,2]/r)));
          angle:=angle+phi;
          M[1,i,1]:=r*cos(angle);
          M[1,i,2]:=r*sin(angle);
  end;
M[2]:=M[1];
M[3]:=M[1];
for i:=1 to 24 do
  begin
    M[2,i,1]:=M[1,i,1]+b;
    M[3,i,1]:=M[1,i,1]+a*cos(theta);
    M[3,i,2]:=M[1,i,2]+a*sin(theta);
  end;
Etot:=0;
for i:=1 to 24 do
    for j:=1 to 24 do
       begin
            Ax:=M[1,i,1];
            Ay:=M[1,i,2];
            Ar:=M[1,i,3];
            Ae:=M[1,i,4];
            Bx:=M[2,j,1];
            By:=M[2,j,2];
            Br:=M[2,j,3];
            Be:=M[2,j,4];
            dist:=sqrt((Ax-Bx)*(Ax-Bx)+(Ay-By)*(Ay-By));
            rou:=dist/(Ar+Br);
            if dist>3.311 then
                out1:= sqrt(Ae*Be)*(290000*exp(-12.5*rou)-2.25/exp(6*ln(rou)))
            else
                out1:= 336.176*sqrt(Ae*Be)/(rou*rou);
            Bx:=M[3,j,1];
            By:=M[3,j,2];
            Br:=M[3,j,3];
            Be:=M[3,j,4];
            dist:=sqrt((Ax-Bx)*(Ax-Bx)+(Ay-By)*(Ay-By));
            rou:=dist/(Ar+Br);
            if dist>3.311 then
                out2:= sqrt(Ae*Be)*(290000*exp(-12.5*rou)-2.25/exp(6*ln(rou)))
            else
                out2:= 336.176*sqrt(Ae*Be)/(rou*rou);
            Ax:=M[2,i,1];
            Ay:=M[2,i,2];
            Ar:=M[2,i,3];
            Ae:=M[2,i,4];
            dist:=sqrt((Ax-Bx)*(Ax-Bx)+(Ay-By)*(Ay-By));
            rou:=dist/(Ar+Br);
            if dist>3.311 then
                out3:= sqrt(Ae*Be)*(290000*exp(-12.5*rou)-2.25/exp(6*ln(rou)))
            else
                out3:= 336.176*sqrt(Ae*Be)/(rou*rou);
         Etot:=out1+out2+out3+Etot;
        end;
FunctionResult:= Etot;
End;
EndProgram;

[ Last edited by wdxiao on 2012-3-26 at 14:06 ]
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wdxiao

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wdxiao

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ÒýÓûØÌû:
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