Abstract
In this paper we consider existence and uniqueness of the three-dimensional static boundary-value problems in the framework of so-called gradient-incomplete strain-gradient elasticity. We call the strain-gradient elasticity model gradient-incomplete such model where the considered strain energy density depends on displacements and only on some specific partial derivatives of displacements of first- and second-order. Such models appear as a result of homogenization of pantographic beam lattices and in some physical models. Using anisotropic Sobolev spaces we analyze the mathematical properties of weak solutions. Null-energy solutions are discussed.
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Authors acknowledge the support of the Government of the Russian Federation (contract no. 14.Y26.31.0031).
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Eremeyev, V.A., dell’Isola, F. Weak Solutions within the Gradient-Incomplete Strain-Gradient Elasticity. Lobachevskii J Math 41, 1992–1998 (2020). https://doi.org/10.1134/S1995080220100078
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DOI: https://doi.org/10.1134/S1995080220100078