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 g}_2T\$k
X=QX9Ux?^
程序如下 5rsz2;#p
?8~l+m6s$
clearclc 4|x_C-@
h=1000;N=100; N:`_Vl
R=100;for i=2:101 u?,>yf.;s
theata(i)=asin(sqrt((i-1)/N));end v=k+MvX
theata(1)=0;for i=1:101 }U}zS@kI
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) J!C \R5\
end% r(1)=0; Ed=/w6<
a=zeros(101,1);c=zeros(101,1);
5226&N
x=zeros(101,1);y=zeros(101,1); EyK!'9~a
a(1)=550;x(1)=-50; gj^)T_E_
y(1)=0; @76}d
dz^HN`AlzC
for i=2:100 k=2*a(i-1); hz/mNDE]
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))]; Ag8/%a~(
x(i)=XY(1); y(i)=XY(2); A7L; ims7
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; [UwQi!^-O
i x(i) Tvv>9gS
y(i)end vHi%UaD-y
plot(x,y)