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Eduardo Kausel-Fundamental solutions in elastodynamics_ a compendium-Cambridge University Press (2006)

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66 Three-dimensional problems <strong>in</strong> full, homogeneous spaces<br />

Stra<strong>in</strong> components (l = x, y, z = direction of load )<br />

ε l (ii) = g il,(i) = k 2 S Aδ il H 0β,(i) + AB 0,(ii)l , i = x, y, z (4.90a)<br />

εi l j = g il, j + g jl,i = k 2 S A(δ il H 0β,j + δ jl H 0β,i) + 2AB 0,i jl , i ≠ j (4.90b)<br />

ε l Vol = g xl,x + g yl,y + g zl,z = A ∂<br />

∂x l<br />

[<br />

k<br />

2<br />

S H 0β + ˆ∇ 2 B 0<br />

]<br />

(4.90c)<br />

a)Stra<strong>in</strong>s for loads <strong>in</strong> the plane, l = x, y<br />

(( )<br />

2<br />

ε l xx = γ l A<br />

r B 2 − k 2 S k β H 1β δ xl + 1 )<br />

r B 2 − γx 2 B 3<br />

(( )<br />

2<br />

ε l yy = γ l A<br />

r B 2 − k 2 S k β H 1β δ yl + 1 )<br />

r B 2 − γy 2 B 3<br />

ε l zz = γ l k 2 z AB 1<br />

ε l xy = 2A (( 1<br />

r B 2 − 1 2 k2 S k β H 1β<br />

)<br />

(δ xl γ y + δ yl γ x) − γ x γ y γ l B 3<br />

)<br />

ε l xz = 2i k z A(( 1<br />

r B 1 − 1 2 k2 S H 0β<br />

ε l yz = 2i k z A(( 1<br />

r B 1 − 1 2 k2 S H 0β<br />

)<br />

δ xl − γ x γ l B 2<br />

)<br />

)<br />

δ yl − γ y γ l B 2<br />

)<br />

εVol l = γ l A<br />

(−k 2 S k β H 1β + k 2 z B 1 + 4 )<br />

r B 2 − B 3<br />

(4.91a)<br />

(4.91b)<br />

(4.91c)<br />

(4.91d)<br />

(4.91e)<br />

(4.91f)<br />

(4.91g)<br />

b)Stra<strong>in</strong> for axial loads, l = z<br />

)<br />

1<br />

εxx z = i k z A(<br />

r B 1 − γx 2 B 2<br />

ε z yy = i k z A( 1<br />

r B 1 − γ 2 y B 2<br />

)<br />

εzz z = i k z A ( −k 2 S H 0β + k 2 z B )<br />

0<br />

εxy z =−2ik z γ x γ y AB 2<br />

(<br />

εxz z = 2 γ x A − 1 )<br />

2 k2 S k β H 1β + k 2 z B 1<br />

(<br />

ε z yz = 2 γ y A − 1 )<br />

2 k2 S k β H 1β + k 2 z B 1<br />

εVol z = i k z A<br />

(−k 2 S H 0β + k 2 z B 0 + 2 )<br />

r B 1 − B 2<br />

(4.92a)<br />

(4.92b)<br />

(4.92c)<br />

(4.92d)<br />

(4.92e)<br />

(4.92f)<br />

(4.92g)

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