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 5muW*7
vg.%. ~!9
程序如下 G}-.xj]
&+j^{a
clearclc I:_*8el&d
h=1000;N=100; `eWcp^|
R=100;for i=2:101 0xxzhlKNL
theata(i)=asin(sqrt((i-1)/N));end >a7(A#3@d
theata(1)=0;for i=1:101 5An0DV5
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) uBTT {GGQ
end% r(1)=0; +.lWck
a=zeros(101,1);c=zeros(101,1); DqMK[N,0
x=zeros(101,1);y=zeros(101,1); /8MQqZ C
a(1)=550;x(1)=-50; @Y<tH,*
y(1)=0; KYu(H[a
n2{{S(N
for i=2:100 k=2*a(i-1); jDX<iX%e
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))]; VqL
5f
x(i)=XY(1); y(i)=XY(2); W#L"5pRg
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; P082.:q"
i x(i) xNm32~
y(i)end hu|hOr8
plot(x,y)