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Télécharger (10Mb) - Dépôt UQTR - Université du Québec à Trois ...

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[<br />

(ni cos B; + nj cos Bj Xn j cos B; + n; cos Bj Xn j cos Bj + nk cos Bk Xnk COS Bj - nj cos Bk) J<br />

+ (n; cosB; - nj cos Bj Xn j cosB; - n; cos Bj Xn j cosBj - nk cos Bk Xn k cosBj + nj cos Bk )<br />

N 2 = (n; cosB; + nj cosBj Xn j cosB; + n; cosBj Xn j cosBj + n k cos Bk Xn k cosBj + nj cos Bk )<br />

(n; cosB; - nj cosBj Xn j cos B; + n; cosBj Xn j cosBj - nk cos Bk Xn k cosBj - nj cos Bk )<br />

N 3 = (n; cosB; + nj cosBj Xn j cosB; + ni cosBj Xn j cosBj + n k cos Bk Xn k cosBj + nj cos Bk )<br />

A2.9.2.1.1 Développement <strong>du</strong> numérateur <strong>du</strong> terme N 1<br />

À partir de l'éq. (A2.193a), on pose que<br />

puis<br />

N1 = N 1a N 1b = l(n j cos B; - n; cos Bj Xn; cos B; + nj cos Bj )1(n j cos Bj + n k cos Bk Xn k cos Bj + nj cos Bk)j<br />

(A2.193b)<br />

(A2.193c)<br />

(A2.194)<br />

l'V<br />

cr><br />

CXl

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