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Matlab算例：
, K; p* f5 ^. w6 w* P& oclear all;' |3 H, o' M- R1 L
clc;8 s1 s5 m! k: x* v& m2 R
%%
6 h9 ~& ?1 s4 \0 c$ W5 e8 R+ Ae = 2; g = 1;* X$ u2 U! O3 f
[x,y] = meshgrid(0:20,0:15); % This makes regular grid6 C% n& ?9 c% C' C
u = e*x-g*y; % Linear velocity field% Q9 b" c1 p# q
v = g*x-e*y;
4 C' `: J5 A0 s1 O/ \ v6 o[phi,psi] = flowfun(u,v); % Here comes the potential and streamfun.
, I& |& E% v& h2 _%
2 u9 \- a9 U4 C# e" [; scontour(phi,20,'--r','Displayname','phi') % Contours of potential
' `: ~& H" K/ N0 d0 jhold on
0 `, Y3 r' q7 z8 _) o, `. N2 lcontour(psi,20,'-g','Displayname','psi') % Contours of streamfunction
: j, s8 X. U7 Oquiver(x,y,u,v,'Displayname','velocity') % Now superimpose the velocity field% Y' ~! v: ~& T
legend show;) p0 O$ Z+ ^4 y7 S3 W# i. [
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发表于 2020-4-29 10:45
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淘帖
支持！
反对！