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u=zeros(200,115);p=zeros(200,115);
deltat=0.01;%%ʱ¼ä²½³¤
deltax=6;%%57½Ú³µ£¬Ã¿Á¾³µ·Ö³ÉÁ½¶Î£¬¹ý115¸ö½Úµã£¬Áгµ¹Ü×ܳ¤¶È³ýÒÔ½ÚµãÊý£¬µÃµ½¿Õ¼ä²½³¤
p(1,1:115)=6;%%ËùÓгµ£¬³äÆøÇ°µÄ¿ÕÆøÑ¹Á¦³õÖµ
u(1,1:115)=0;%%ËùÓгµ£¬³äÆøÇ°µÄ¿ÕÆøËÙ¶È
for y=1:60
p(y,1)=6+(8-6)*(1-exp(-3*deltat*y));%%¼Ù¶¨ÍùµÚÒ»Á¾³µ³äÆø£¬¿ÕÆøÑ¹Á¦ÓÉÖ¸Êýº¯Êý¾ö¶¨
end
u(:,115)=0;%%¼Ù¶¨Öն˵ÄËٶȸø¶¨
D=31.75/1000;%%¹ÜµÀÖ±¾¶
Q=0.001;%%¹ÜµÀй©Á¿£¬µ¥Î»ÊÇpa/s£¬¿ÕÆøÑ¹Ç¿µÄµ¥Î»¶¼ÊÇpa
c=deltat/deltax;
f=0.03;%%¹ÜµÀĦ²ÁϵÊý

for r=1:199  %%ÔÚʱ¼ä²ãÉϽøÐÐÖð²ãÇó½â
   
    p(r+1,2:115)=p(r,2:115).*(1-c*(u(r,2:115)-u(r,1:114)))-u(r,2:115).*(p(r,2:115)-p(r+1,1:114)).*c-Q*deltat%%ÎÊÌâ¾ÍÔڴ˾äʱ·¢ÏÖµÄ
    u(r+1,114:-1:1)=u(r,114:-1:1).*(1-c.*(u(r+1,115:-1:2)-u(r,114:-1:1)))-c./p(r,114:-1:1).*(p(r,114:-1:1)-p(r,115:-1:2))-2*f*abs(u(r,114:-1:1)).*u(r,114:-1:1)/D;
   
end
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