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 {4Y@DQ-
+8 5]]}I
程序如下 uZ( I|N$
T6JN@:8
clearclc mdvooJ
h=1000;N=100; ;T~]|#T\6
R=100;for i=2:101 LY2oBX@fC
theata(i)=asin(sqrt((i-1)/N));end %o9@[o
.]
theata(1)=0;for i=1:101 wXp
A1,i
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) <qN0Q7
end% r(1)=0; V{;! vt~
a=zeros(101,1);c=zeros(101,1); 5bM/
v
x=zeros(101,1);y=zeros(101,1); 9K~2!<
a(1)=550;x(1)=-50; pDb5t>
y(1)=0; gO%#'Eb2
1eQ9(hzF
for i=2:100 k=2*a(i-1); &=H{ 36i@
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))]; $A"kHS7T
x(i)=XY(1); y(i)=XY(2); #pP4\n-~hU
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; jW*|Mu>2
i x(i) ?|'+5$
y(i)end R/r)l<X@
plot(x,y)