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