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PLENARY LECTURES AND VIP GUESTS
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Anna Kolesnikova
ITMO University
Defects In Solids: Elastic Models And The Boundary-value Problems
Aifantis International Symposium (2nd Intl. symp. on Multiscale Material Mechanics in the 21st Century)[Defects on solids ]
Back to Plenary Lectures »
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Abstract:
In the framework of continuum mechanics, the classification of the defects, i.e. the internal sources of elastic fields, is presented. The classification is based on the dimension of the area where the eigenstrain of the defect is defined. The elastic models for the point defects, linear defects, surface defects and inclusions are demonstrated. The defects in 3D- and 2D-elastic media are compared. The elastic fields for the axisymmetric defects such as circular dilatational line and circular dilatational disk are given in the form of Lipschitz-Hankel integrals. The techniques for solutions of the boundary value problems in the theory of defects are discussed. The elastic behavior of the circular prismatic dislocation loops in elastic bodies with spherical free surfaces and interfaces is considered.
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