Formato PDF - mtc-m17:80 - Inpe

Formato PDF - mtc-m17:80 - Inpe Formato PDF - mtc-m17:80 - Inpe

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2 γ = c 9 + c10 × x + c11 × x (A.8) s 0 = c12 + c13 × x (A.9) O termo b1 é descrito pela equação abaixo: ( 1 + x) − c15 × v × ( 0.5 + x − tanh[ 4 × ( x + c16 + c17 × v) ]) 1 + exp( 0.34 × ( v − c18) ) c14 × b1 = (A.10) O termo b2 é: onde, ( − d1 + d2 × v2) × exp( − 2) b2 = v (A.11) n v2 = { a + b × ( y −1) , y < y0 { y, y ≥ y0 v + v0 y = (A.12) v0 onde, y 0 = c19 , n = c20, ( y0 −1) a = y0 − , n b 1 −1 [ n × ( y0 −1) ] = n Os valores de v0, d1 e d2 são dependentes apenas do ângulo de incidência: v 0 × x 2 = c21 + c22 × x + c23 (A.13) d 1 × x 2 = c24 + c25 × x + c26 (A.14) d 2 = c27 + c28 × x (A.15) Os coeficientes c são dados na Tabela A.1: 108

TABELA A.1- Valores dos coeficientes c para o modelo CMOD5. c Valor c Valor c1 -0.688 c15 0.007 c2 -0.793 c16 0.33 c3 0.338 c17 0.012 c4 -0.173 c18 22.0 c5 0.000 c19 1.95 c6 0.0040 c20 3.00 c7 0.111 c21 8.39 c8 0.0162 c22 -3.44 c9 6.34 c23 1.36 c10 2.57 c24 5.35 c11 -2.18 c25 1.99 c12 0.400 c26 0.29 c13 -0.60 c27 3.80 c14 0.045 c28 1.53 109

2<br />

γ = c 9 + c10<br />

× x + c11<br />

× x<br />

(A.8)<br />

s 0 = c12<br />

+ c13<br />

× x<br />

(A.9)<br />

O termo b1 é descrito pela equação abaixo:<br />

( 1 + x) − c15<br />

× v × ( 0.5 + x − tanh[ 4 × ( x + c16<br />

+ c17<br />

× v)<br />

])<br />

1 + exp( 0.34 × ( v − c18)<br />

)<br />

c14<br />

×<br />

b1<br />

= (A.10)<br />

O termo b2 é:<br />

onde,<br />

( − d1<br />

+ d2<br />

× v2) × exp( − 2)<br />

b2 = v<br />

(A.11)<br />

n<br />

v2 = { a + b × ( y −1)<br />

, y < y0<br />

{ y, y ≥ y0<br />

v + v0<br />

y = (A.12)<br />

v0<br />

onde,<br />

y 0 = c19 , n = c20,<br />

( y0<br />

−1)<br />

a = y0<br />

− ,<br />

n<br />

b<br />

1<br />

−1<br />

[ n × ( y0<br />

−1)<br />

]<br />

=<br />

n<br />

Os valores de v0, d1 e d2 são dependentes apenas do ângulo de incidência:<br />

v 0 × x<br />

2<br />

= c21<br />

+ c22<br />

× x + c23<br />

(A.13)<br />

d 1 × x<br />

2<br />

= c24<br />

+ c25<br />

× x + c26<br />

(A.14)<br />

d 2 = c27<br />

+ c28<br />

× x<br />

(A.15)<br />

Os coeficientes c são dados na Tabela A.1:<br />

108

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