求前辈指点迷津,感觉椭流线表达式有问题,又不知道哪里不对 <750-d!
T_oW)G
程序如下 dp// p)B>
\fM!^
clearclc V %{9o
h=1000;N=100; fdCxMKlu;
R=100;for i=2:101 e$/Zb`k
theata(i)=asin(sqrt((i-1)/N));end 0()9vTY+
theata(1)=0;for i=1:101 W(PW9J9
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 1CS]~1Yp:
end% r(1)=0; a`h$lUb-
a=zeros(101,1);c=zeros(101,1); e u=f-HW]
x=zeros(101,1);y=zeros(101,1); ]Gd]KP@S
a(1)=550;x(1)=-50; V)?x*R*T)
y(1)=0; HZr/0I?
&' Nk2{
for i=2:100 k=2*a(i-1); I8-&.RE
F=[h,r(i-1)/2-r(i)/2]; XY=((k^2-norm(F)^2)/(2*k-2*norm(F)*cos(pi-theata(i))))*[cos(pi-theata(i)),sin(theata(i))]; C(%5,|6
x(i)=XY(1); y(i)=XY(2); `>K k;`
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 0R%uVJG
i x(i) n4r( Vg1GS
y(i)end whg4o|p
plot(x,y)