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Special Two-Dimensional Problems: Unbounded Domains

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Continuum Mechanics and Linear Elasticity

Part of the book series: Solid Mechanics and Its Applications ((SMIA,volume 238))

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Abstract

In the previous chapter we saw how the solutions of two-dimensional approximations in isotropic Linear Elasticity can be obtained from the Airy stress potential \(\varPhi \) that satisfies a bi-harmonic equation (either homogeneous or inhomogeneous). When the region occupied by the elastic material is unbounded (see Fig. 9.1), integral transforms provide a robust analytical framework for solving the various boundary-value problems satisfied by \(\varPhi \).

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Notes

  1. 1.

    In this chapter we do not use \(\varvec{X}_\perp \) for the position vector of points in \(\mathbb {E}^2\) as most of the work will be done in components.

  2. 2.

    These are still Cartesian-coordinate stresses, but expressed in terms of the polar coordinates defined in Fig. 9.4, \(X_1=r\cos \theta \) and \(X_2=r\sin \theta \).

  3. 3.

    Compare this with (9.43).

  4. 4.

    Recall the notations N and T introduced in Sect. 3.7.

  5. 5.

    It must be kept in mind that if \(\varvec{f}\) is brought back onto the stage, then the form (9.87) demands a slight amendment to the governing equations for \(\psi \) and \(\varvec{B}\)—see (9.85) and (9.86).

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Correspondence to Ciprian D. Coman .

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Coman, C.D. (2020). Special Two-Dimensional Problems: Unbounded Domains. In: Continuum Mechanics and Linear Elasticity. Solid Mechanics and Its Applications, vol 238. Springer, Dordrecht. https://doi.org/10.1007/978-94-024-1771-5_9

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  • DOI: https://doi.org/10.1007/978-94-024-1771-5_9

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