Generalized cesaro formulas in 3D and 4D elasticity theories
- Authors: Lurie S.A.1,2, Belov P.A.1
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Affiliations:
- Institute of Applied Mechanics of RAS
- Ishlinsky Institute for Problems in Mechanics RAS
- Issue: No 2 (2025)
- Pages: 137-148
- Section: Articles
- URL: https://journal-vniispk.ru/1026-3519/article/view/295924
- DOI: https://doi.org/10.31857/S1026351925020082
- EDN: https://elibrary.ru/anllpe
- ID: 295924
Cite item
Abstract
Generalized Cesaro formulas are found, allowing to determine the displacement field with an accuracy of up to quadratic polynomials through integro-differential operators from the strain tensor-deviator in 3D elasticity theory and 4D elasticity theory. It is shown that quadratures for the pseudovector (pseudotensor in 4D elasticity) of local rotations and deformation of volume change are determined by the strain deviator field with an accuracy of up to linear polynomials in coordinates. Conditions for the existence of the listed quadratures are presented in the form of five (nine for 4D) third-differential order compatibility equations with respect to the strain tensor-deviator components.
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About the authors
S. A. Lurie
Institute of Applied Mechanics of RAS; Ishlinsky Institute for Problems in Mechanics RAS
Author for correspondence.
Email: salurie@mail.ru
Russian Federation, Moscow; Moscow
P. A. Belov
Institute of Applied Mechanics of RAS
Email: belovp@andex.ru
Russian Federation, Moscow
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