Stress and strain concentration in composite materialsстатья
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Дата последнего поиска статьи во внешних источниках: 6 марта 2019 г.
Аннотация:We introduce the concept of stress and strain concentration functionals for composite
materials, with which it becomes possible to express stresses and strains in the components
of a composite material through stresses and strains in the equivalent homogeneous body. A
method of constructing the concentration functionals is demonstrated on a composite with small
elastoplastic strains and periodic structure, which also proves the existence of such functionals.
Explicit expressions for stress and strain concentration tensors in the case of a
laminate composite with anisotropic layers are derived in the zeroth approximation. The
concept of concentration functionals is then extendedto individual concentrators and, as an
example, the concentration tensors are calculated for an infinitely large elastic body with
a cylindrical hole.