2020
DOI: 10.7242/1999-6691/2020.13.3.20
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Construction of the bending model of micropolar elastic thin beams with a circular axis and its implementation using finite element method

Abstract: Обсуждается проблема перехода от системы двумерных уравнений микрополярной (моментной) теории упругости в тонкой криволинейной области к одномерной системе уравнений деформирования микрополярного упругого тонкого стержня с круговой осью (имеется в виду изогнутый стержень, со срединной поверхностью в виде дуги окружности). При осуществлении этого перехода применяются так называемые обобщенные на микрополярный случай гипотезы Тимошенко. Исходя из них, построена прикладная модель, описывающая напряженно-деформиро… Show more

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“…Extensions of micropolar theory to elasto-plasticity, for the purpose of modelling the strain localization phenomenon in plastic deformations, have been carried out in several research papers (e.g., de Borst (1993); Steinmann (1994); ; ; Bauer et al (2012b)). Various micropolar beam (Ramezani et al, 2009a;Hassanpour and Heppler, 2016;Chowdhury and Reddy, 2019;Obrezkov et al, 2022;Sargsyan and Khachatryan, 2022;La Valle and Falsone, 2023), plate (Abadikhah and Folkow, 2015;Fares et al, 2023), and shell (Eremeyev and Altenbach, 2017;Zozulya, 2018) formulations have been also developed in the literature. Additionally, the micropolar theory has been used in the modeling of granular materials, phononic crystals, lattice structures, crystal plasticity, bone mechanics, and auxetic lattices (e.g., Mayeur et al (2011) As was mentioned above, micropolar theory can model the deformation of materials subjected to body couples.…”
Section: Introductionmentioning
confidence: 99%
“…Extensions of micropolar theory to elasto-plasticity, for the purpose of modelling the strain localization phenomenon in plastic deformations, have been carried out in several research papers (e.g., de Borst (1993); Steinmann (1994); ; ; Bauer et al (2012b)). Various micropolar beam (Ramezani et al, 2009a;Hassanpour and Heppler, 2016;Chowdhury and Reddy, 2019;Obrezkov et al, 2022;Sargsyan and Khachatryan, 2022;La Valle and Falsone, 2023), plate (Abadikhah and Folkow, 2015;Fares et al, 2023), and shell (Eremeyev and Altenbach, 2017;Zozulya, 2018) formulations have been also developed in the literature. Additionally, the micropolar theory has been used in the modeling of granular materials, phononic crystals, lattice structures, crystal plasticity, bone mechanics, and auxetic lattices (e.g., Mayeur et al (2011) As was mentioned above, micropolar theory can model the deformation of materials subjected to body couples.…”
Section: Introductionmentioning
confidence: 99%