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

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124<br />

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

P = N :<br />

1 Pe<br />

a w<br />

= +<br />

(B.51)<br />

∆x<br />

2<br />

a = 0<br />

(B.52)<br />

e<br />

a p<br />

= 3 −<br />

Pe<br />

(B.53)<br />

∆x<br />

2<br />

b<br />

p<br />

⎛ 2 ⎞<br />

= ⎜ − Pe⎟φ<br />

b<br />

⎝ ∆x<br />

⎠<br />

(B.54)<br />

Condições <strong>de</strong> Contorno Aplicadas Com Volume Fictício<br />

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

volume fictício são dados por:<br />

• para o volume <strong>de</strong> controle P = 0 são empregadas as Eqs. (B.17), (B.18), (B.19) e (B.20).<br />

• para os volumes <strong>de</strong> controle entre P = 1 a P = N são empregadas as Eqs. (B.47), (B.48),<br />

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

• para o volume <strong>de</strong> controle P = N + 1 são empregadas as Eqs. (B.22), (B.23), (B.24) e<br />

(B.25).<br />

Condições <strong>de</strong> Contorno Aplicadas Com Meio-Volume<br />

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

meio-volume 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 os volumes <strong>de</strong> controle entre P = 2 a P = N −1<br />

são empregadas as Eqs. (B.47),<br />

(B.48), (B.49) e (B.50).<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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