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 o1FF"tLkN
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程序如下 A-T]9f9
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clearclc C4~;y hz
h=1000;N=100; eC[$B99\
R=100;for i=2:101 Q4f/Z
theata(i)=asin(sqrt((i-1)/N));end YN!>}
theata(1)=0;for i=1:101 [&&1j@LQ*
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) \H=&`?
end% r(1)=0; MD|5 ol9
a=zeros(101,1);c=zeros(101,1); &:, dJ
x=zeros(101,1);y=zeros(101,1); :yeq(oK,
a(1)=550;x(1)=-50; {
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y(1)=0; ~ ; -! n;
)FpZPdN+h
for i=2:100 k=2*a(i-1); N(y\dL=v
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))]; 89wU-Aggq
x(i)=XY(1); y(i)=XY(2); }MHCd)78b
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; =
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i x(i) d"6&AJ5a
y(i)end ?zQA
plot(x,y)