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Problems in elasticity theory can be solved using potentials. In particular, the definition of a Green’s function given above can be used mathematically to derive solutions to point load problems, either within the elastic body or on its surface. Such problems were treated by Boussinesq (1885) and later reproduced by Green and Zerna (1968). This history and excellent examples are given by Barber (2010). Using the potentials, Green’s functions for some common concentrated loadings can be derived. Since the objective of this section is not to derive the Green’s functions, some of them will be written out in full.
Formulae for Common Examples
The examples used here...
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J.R. Barber, Elasticity (Springer, Dordrecht/New York, 2010)
J. Boussinesq, Application des potentiels à l’étude de l’équilibre et du mouvement des solides élastiques (Cauthier-Villars, Paris, 1885)
A.E. Green, W. Zerna, Theoretical Elasticity (Clarendon, Oxford, 1968)
D.A. Hills, P.A. Kelly, D.N. Dai, A.M. Korsunsky, Solution of Crack Problems (Kluwer, Dordrecht/Boston, 1996)
K.L. Johnson, Contact Mechanics (Cambridge University Press, Cambridge/New York, 1985)
R.D. Mindlin, Force at a point in the interior of a semi-infinite solid. Physics 7, 195–202 (1936)
T. Mura, Micromechanics of Defects in Solids (Kluwer, Dordrecht/Boston/London, 1993)
L. Rongved, Force at a point in the interior of one of the two joined semi-infinite solids, in Proceedings of 2nd Midwest Conference Solid Mechanics, Lafayette (1955)
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Keer, L.M. (2013). Green’s Functions in Contact Mechanics. In: Wang, Q.J., Chung, YW. (eds) Encyclopedia of Tribology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-92897-5_495
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