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 O!^ >YvOh
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程序如下 %l14K_
#oFyi @U
clearclc S,ea[$_
h=1000;N=100; G;iH.rCH
R=100;for i=2:101 }mzd23^W>P
theata(i)=asin(sqrt((i-1)/N));end
iF":c}$.
theata(1)=0;for i=1:101 "(vK.-T
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) SDV#p];u
end% r(1)=0; [f!
{
-T
a=zeros(101,1);c=zeros(101,1); _hJdC|/
x=zeros(101,1);y=zeros(101,1); ,|3_@tUl
a(1)=550;x(1)=-50; Rd5-ao4
y(1)=0; Jwfb%Xge~
U\B9Ab
for i=2:100 k=2*a(i-1); Kw$@_~BJ6
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))]; T/2k2r4PD
x(i)=XY(1); y(i)=XY(2); f6yj\qq]
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; WcoA)we
i x(i) &VA^LS@b
y(i)end hc[J,yG
plot(x,y)