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Matlab算例：
$ y- u; _- k! H ?clear all;: U. B5 J; p. p m
clc;
& s5 @# h% s" A3 e$ I4 p3 a! q8 f, L%%
* U/ Z/ M2 u1 | \9 x5 Qe = 2; g = 1;
9 M, S4 V; o- G9 D' W) O[x,y] = meshgrid(0:20,0:15); % This makes regular grid% j" \3 t. [0 ?) b) u* n
u = e*x-g*y; % Linear velocity field7 x1 H" s1 a9 ], c7 ^0 i
v = g*x-e*y;
/ m ]3 w6 y. @[phi,psi] = flowfun(u,v); % Here comes the potential and streamfun.
6 b+ O1 y: N* T5 w%! G0 i, T! n: { L
contour(phi,20,'--r','Displayname','phi') % Contours of potential# }( y1 I F9 j7 j* Z; N
hold on+ P/ I) b' V5 y. p1 ?
contour(psi,20,'-g','Displayname','psi') % Contours of streamfunction
3 k1 Y' m4 u- f% q, D4 @/ e' iquiver(x,y,u,v,'Displayname','velocity') % Now superimpose the velocity field
0 M0 @$ v g B$ B: d( Z& Dlegend show;% s, A8 `; q- K
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发表于 2020-4-29 10:45
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淘帖
支持！
反对！