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 ckbD/+
yJ!,>OQ%'
程序如下 .]/k#Hv
R.rE+gxO1
clearclc W 7w*VD|
h=1000;N=100; |&~);>Cq2
R=100;for i=2:101 +XAM2uN5_.
theata(i)=asin(sqrt((i-1)/N));end F
7X] h
theata(1)=0;for i=1:101 7lAn GP.;
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) v"dl6%D"
end% r(1)=0; UZo[]$"Q`
a=zeros(101,1);c=zeros(101,1); $SU<KNMZ
x=zeros(101,1);y=zeros(101,1); >~uKkQ_p
a(1)=550;x(1)=-50; c22L]Sxo
y(1)=0; E :UJ"6
LHs^Xo18
for i=2:100 k=2*a(i-1); |^O3~!JP(>
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))]; ]E1|^[y
x(i)=XY(1); y(i)=XY(2); J74kK#uF=
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; T/q*k)IoR
i x(i) fjHd"!)3
y(i)end #^w8Y'{?
plot(x,y)