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 2',t@< U
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程序如下 _k5KJKvr
/,E%)K;
clearclc (X>r_4W$
h=1000;N=100; oPzt1Y
R=100;for i=2:101 w`>xK
sKW>
theata(i)=asin(sqrt((i-1)/N));end cQ3Dk<GZ
theata(1)=0;for i=1:101 rU.ew~
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 0lmoI4bW}s
end% r(1)=0; Uy_`=JZ
a=zeros(101,1);c=zeros(101,1); js8uvZ i
x=zeros(101,1);y=zeros(101,1); ; M"hX
a(1)=550;x(1)=-50; :l3Tt<
y(1)=0; u^ngD64
aWe
H,A%
for i=2:100 k=2*a(i-1); a}jaxGy
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))]; iOki ZN+d>
x(i)=XY(1); y(i)=XY(2); J&8l1{gd
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; X5>p~;[9
i x(i) OWOj|jM
y(i)end 8{Zgvqbb
plot(x,y)