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122<br />

b<br />

p<br />

= φ<br />

(B.33)<br />

b<br />

Condições <strong>de</strong> Contorno Aplicadas Com Volume <strong>de</strong> Espessura Zero<br />

Os coeficientes e termos fontes para a forma <strong>de</strong> aplicar as condições <strong>de</strong> contorno com<br />

volume <strong>de</strong> espessura zero são dados por:<br />

• para o volume <strong>de</strong> controle P = 1 são empregadas as Eqs. (B.26), (B.27), (B.28) e (B.29).<br />

• para o volume <strong>de</strong> controle P = 2 :<br />

a w<br />

= 2 (B.34)<br />

∆x<br />

a e<br />

= 1 (B.35)<br />

∆x<br />

a = a + a<br />

(B.36)<br />

p<br />

w<br />

e<br />

b<br />

p<br />

= −<br />

2 xPC<br />

( C e )<br />

C<br />

( e −1)<br />

∆x<br />

P<br />

(B.37)<br />

• para os volumes <strong>de</strong> controle entre P = 3 a P = N − 2 são empregadas as Eqs. (B.9),<br />

(B.10), (B.11) e (B.12).<br />

• para o volume <strong>de</strong> controle P = N −1:<br />

a w<br />

= 1 (B.38)<br />

∆x<br />

a e<br />

= 2 (B.39)<br />

∆x<br />

a = a + a<br />

(B.40)<br />

p<br />

w<br />

e<br />

b<br />

p<br />

= −<br />

2 xPC<br />

( C e )<br />

C<br />

( e −1)<br />

∆x<br />

P<br />

(B.41)<br />

• para o volume <strong>de</strong> controle<br />

P = N são empregadas as Eqs. (B.30), (B.31), (B.32) e (B.33).

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