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fabiana de fátima giacomini - PG-Mec Programa de Pós-Graduação ...

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125<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<br />

= Pe +<br />

∆x<br />

(B.55)<br />

a e<br />

= 1 −<br />

Pe<br />

(B.56)<br />

∆x<br />

2<br />

3 Pe<br />

a p<br />

= +<br />

(B.57)<br />

∆x<br />

2<br />

b = 0<br />

(B.58)<br />

p<br />

• para os volumes <strong>de</strong> controle entre P = 3 a P = N − 2 são empregadas as Eqs. (B.47),<br />

(B.48), (B.49) e (B.50).<br />

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

1 Pe<br />

a w<br />

= +<br />

(B.59)<br />

∆x<br />

2<br />

a e<br />

a p<br />

= 2 − Pe<br />

(B.60)<br />

∆x<br />

= 3 −<br />

Pe<br />

(B.61)<br />

∆x<br />

2<br />

b = 0<br />

(B.62)<br />

p<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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