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Numerical Advection Schemes in Two Dimensions

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REFERENCES<br />

REFERENCES<br />

(1/2)*cv*(f(k,pp)-f(k,p));<br />

fim<strong>in</strong>usm(k,p) = (1/2)*(f(km,p)+f(k,p)) -<br />

(1/2)*cu*(f(k,p)-f(km,p));<br />

fjm<strong>in</strong>usm(k,p) = (1/2)*(f(k,pm)+f(k,p)) -<br />

(1/2)*cv*(f(k,p)-f(k,pm));<br />

end<br />

f(k,p) = f(k,p) - cu*(fiplusm(k,p)-fim<strong>in</strong>usm(k,p)) -<br />

cv*(fjplusm(k,p)-fjm<strong>in</strong>usm(k,p)) +<br />

cu*cv*(f(k,p)-f(k,pm)-f(km,p)+f(km,pm));<br />

% Plot f at this timestep<br />

contourf(x,y,f)<br />

pause(0.1)<br />

end<br />

err = abs(f - h);<br />

rss = sum(sum(err.^2));<br />

rss3 = sum(sum(err.^3));<br />

error2 = (rss/(n^2))^(1/2);<br />

error3 = (rss3/(n^2))^(1/3);<br />

error<strong>in</strong>f = max(max(err));<br />

errorstuff = [error2;error3;error<strong>in</strong>f]<br />

contourf(x,y,f);<br />

xlabel(’x’)<br />

ylabel(’y’)<br />

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