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THÈSE Nicolas VASSET

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ψ <br />

h <br />

Lhθ (l) = 0 <br />

qab St (2) Da<br />

(2) R <br />

<br />

<br />

(2) Da (2) D a + 2L a (2) Da −<br />

(2)<br />

R<br />

2 + (2) DaL a + LaL a + 8πTab ˆl aˆ<br />

<br />

b<br />

k (b − N) =<br />

<br />

1<br />

2 σ(ˆ l)<br />

ij σ(ˆ l)ij<br />

+ 4πTab ˆl aˆ<br />

<br />

b<br />

l (b + N), <br />

La = Kbcs b q c a, ˆ l a = n a + s a , ˆ k a = (n a − s a )/2. <br />

Tab St ˆ l a ˆ k a <br />

St <br />

b N b = N<br />

<br />

<br />

(b − N) (b + N)<br />

<br />

h i b ≥ N<br />

ˆ l i <br />

σ (ˆ l)<br />

ij = Tab ˆ l aˆ l b = 0. <br />

b = N<br />

<br />

V a <br />

<br />

qbc (2) DaV c + qac (2) DbV c − qab (2) DcV c = 2σ h ab. <br />

<br />

Lhσ (h)<br />

ab = Sij Sij <br />

<br />

V a <br />

<br />

<br />

<br />

<br />

N <br />

(b − N)<br />

(b + N) <br />

<br />

<br />

<br />

H

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