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AIRY STRESS FUNCTION FOR TWO DIMENSIONAL INCLUSION ...

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dislocation which does not exist in this case as it is an elastic plate and<br />

σ x<br />

∞ ∞ ∞ ∞<br />

= S ,σ = σ = τ = 0 .<br />

ψ ** ( z ) , we get<br />

y z xy<br />

Figure 3-2 Infinite Plate with a Hole Subjected to Tensile Loading.<br />

Substituting the power series for the arbitrary analytic functionsγ ** ( z) and<br />

∞<br />

S −n<br />

γ ( z)<br />

= z + ∑ an z ,<br />

4<br />

∞<br />

S −n<br />

ψ ( z)<br />

= − z + ∑ bnz .<br />

2<br />

The number of terms to be taken into consideration for the summation is<br />

determined by the boundary condition. Therefore, taking the first three terms for the<br />

above condition, we get<br />

20<br />

n=<br />

1<br />

n=<br />

1<br />

Sz a1<br />

a2<br />

a3<br />

γ ( z)<br />

= + + 2 + 3 ,<br />

4 z z z<br />

Sz b b b<br />

ψ ( z)<br />

= .<br />

z z z<br />

− 1 2 3<br />

+ + 2 + 3<br />

2<br />

Integrating the second potential function, we can obtain χ (z) as:<br />

Y<br />

a<br />

X<br />

S<br />

(3.2.1)

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