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 NplkhgSj
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程序如下 pd oCV
8EAkM*D w
clearclc _.BX#BIF
h=1000;N=100; #3((f[
R=100;for i=2:101 8\rHSsP
theata(i)=asin(sqrt((i-1)/N));end `YPNVm<3)
theata(1)=0;for i=1:101 <m+$@:cO
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 2w67>w\
end% r(1)=0; S<DS|qOo
a=zeros(101,1);c=zeros(101,1); Cs8e("w
x=zeros(101,1);y=zeros(101,1); q/^&si
a(1)=550;x(1)=-50; <rFKJ^ B
y(1)=0; 3&7$N#v
P:2 0i*QU
for i=2:100 k=2*a(i-1); 2Ls
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]D voJmBs
x(i)=XY(1); y(i)=XY(2); 2z[A&s_
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; Auf2JH~
i x(i) s(M8 Y
y(i)end \!,qXfTMB
plot(x,y)