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 h|
+(
oO)KhA?y
程序如下 #p^r)+\3=
,wlSNb@'
clearclc j])nkm7_
h=1000;N=100; L7qlvS Q
R=100;for i=2:101 mca9 +v
theata(i)=asin(sqrt((i-1)/N));end Lu?)Rya
theata(1)=0;for i=1:101 UZUG?UUM
% r(i)=R*sqrt((i-1)/N);r(i)=sqrt(R^2/i) -?Aa RwZ,
end% r(1)=0; m%?b"kxL[
a=zeros(101,1);c=zeros(101,1); \ml6B6
x=zeros(101,1);y=zeros(101,1); )iG+pP@.@
a(1)=550;x(1)=-50; G
]mX+?
y(1)=0; lt&30nf=
f3]u-e'b
for i=2:100 k=2*a(i-1); I#tEDeF2
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))]; Ev\kq>2O
x(i)=XY(1); y(i)=XY(2); SY}iU@xo
FX=F-XY; a(i)=(norm(FX)+norm(XY))/2; ,As78^E{
i x(i) y|+ltA K
y(i)end V6ioQx=K#
plot(x,y)