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 *KZYv=s,u
9-VNp;V
程序如下 ~9a<0Mc?
v}}F,c(f
clearclc Uu10)/.LC
h=1000;N=100; \+oQd=K@
R=100;for i=2:101 EA@.,7F
theata(i)=asin(sqrt((i-1)/N));end ?Ny9'g>?
theata(1)=0;for i=1:101 GfxZ'VIn
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) |B?m,U$A!
end% r(1)=0; )#0O>F~
a=zeros(101,1);c=zeros(101,1); p,5i)nEFj
x=zeros(101,1);y=zeros(101,1); v+W&9>
a(1)=550;x(1)=-50; vjbASFF0=
y(1)=0; lLX4Gq1
.KB^3pOpx
for i=2:100 k=2*a(i-1); /kZebNf6H
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))]; (Z+.45{-
x(i)=XY(1); y(i)=XY(2); #`qx<y*S
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; .9/hHCp
i x(i) rT=rrvV3g
y(i)end #5Q pu
plot(x,y)