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 ~B\:
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程序如下 9v2 ;
mnjA8@1
clearclc iCKwd 9?)
h=1000;N=100; /CE d14.
R=100;for i=2:101 = lD]sk
theata(i)=asin(sqrt((i-1)/N));end (W!$6+GT
theata(1)=0;for i=1:101 &/?jMyD@
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) 0Wm-`ZA
end% r(1)=0; tY=TY{ RY
a=zeros(101,1);c=zeros(101,1); O3Mv"Py%
x=zeros(101,1);y=zeros(101,1); ~`H<sJ?9
a(1)=550;x(1)=-50; (*BW/.Fq
y(1)=0; H12@12v
n82Q.M-H
for i=2:100 k=2*a(i-1); J,Ap9HJt
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))]; GA}^Rh`T-
x(i)=XY(1); y(i)=XY(2); wm71,R1
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; 9#6/c
i x(i) MT0{hsuK9
y(i)end ]l%.X7M9
plot(x,y)