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 [0Xuo
8)S)!2_h
程序如下 a]Pi2:S
` +YtTK
clearclc CWeQv9h]X
h=1000;N=100; wnC-~&+6
R=100;for i=2:101 Pyuul4(
theata(i)=asin(sqrt((i-1)/N));end Il&FC
theata(1)=0;for i=1:101 bf/6AY7
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) hr]+4!/
end% r(1)=0; lZAGoR;0Ra
a=zeros(101,1);c=zeros(101,1); 5=V"tQ&d9U
x=zeros(101,1);y=zeros(101,1); pT=^o
a(1)=550;x(1)=-50; -,/7u3
y(1)=0; qoZi1,i'
X QLP|v;"
for i=2:100 k=2*a(i-1); yhgGvyD
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))]; P
DY :?/
x(i)=XY(1); y(i)=XY(2); fYuSfB+<
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; BPj?l
i x(i) ,~cK]!:>s
y(i)end P?q HzNGi7
plot(x,y)