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 ~`c(7
e]DuV)k&
程序如下 Da-U@e!
(\M#Ay t)
clearclc 64LAZEQX
h=1000;N=100; T]UrKj/iF
R=100;for i=2:101 _MLbJ
theata(i)=asin(sqrt((i-1)/N));end Ls6C*<8
theata(1)=0;for i=1:101 tTE]j-uT
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) M'|?*aNK
end% r(1)=0; Rv)*Wo!L
a=zeros(101,1);c=zeros(101,1); .NSV%I
x=zeros(101,1);y=zeros(101,1); h-+vNhH
a(1)=550;x(1)=-50; F!7\Za,
y(1)=0; F_d>@-<
qe2@bG%2+F
for i=2:100 k=2*a(i-1); *)D$w_06S
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))]; Dt:NBN
x(i)=XY(1); y(i)=XY(2); 0`KR8# A@
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; d.xT8l}sS
i x(i) 7Q0vwKC8>
y(i)end T%]@R4z#q
plot(x,y)