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 /nn~&OU
X yiaRW
程序如下 t#3_M=L
Ay PtbrO
clearclc { {:Fs
h=1000;N=100; 6P:fM Y
R=100;for i=2:101 DEbMb6)U
theata(i)=asin(sqrt((i-1)/N));end /0$fYrg>J
theata(1)=0;for i=1:101 {&UA60~6
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) _,IjB/PR(
end% r(1)=0; "eqzn KT%u
a=zeros(101,1);c=zeros(101,1); o\]U;#YD
x=zeros(101,1);y=zeros(101,1); tP"6H-)X&
a(1)=550;x(1)=-50; v1Q78P
y(1)=0; b%vIaP|]B
boHbiE
for i=2:100 k=2*a(i-1); +vxOCN4}v
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))]; esj6=Gh
x(i)=XY(1); y(i)=XY(2); lfre-pS+
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; !zllvtK4
i x(i) IN.g
y(i)end LrT EF
j
plot(x,y)