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 KR{kn[2|Q
A$-{WN.W
程序如下 xd>2TW l#
HkQ2G}<
clearclc -5Ccuk>6
h=1000;N=100; A\=:h AQ
R=100;for i=2:101 NoPM!.RU{
theata(i)=asin(sqrt((i-1)/N));end v+\E%H
theata(1)=0;for i=1:101 tmm\V7sJ
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 'dx4L }d
end% r(1)=0; {!=IGFe
a=zeros(101,1);c=zeros(101,1); au GN~"n^
x=zeros(101,1);y=zeros(101,1); pHWol!
a(1)=550;x(1)=-50; C5eol &
y(1)=0; 4 ba1c
<H$ CCo
for i=2:100 k=2*a(i-1); Sm-nb*ZyC
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))]; | o+vpy
x(i)=XY(1); y(i)=XY(2); A?_2@6Y^
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; /A_
IS `
i x(i) +[cm
y(i)end hwexv 9""
plot(x,y)