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Macroscopic modelling of prestressed microperiodic elastic media

机译:预应力微周期弹性介质的宏观建模

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摘要

The aim of this contribution is to formulate and apply a macroscopic model for the analysis of the dynamics and stability of prestressed microperiodic elastic media. This modelling problem has been solved by Kolpakov [1] using the asymptotic homogenization method. However, the method used in [1] neglects the effect of the period length on the macroscopic (overall) solid behavior. To eliminate this drawback we propose a nonasymptotic modelling approach which is a certain generalization of the tolerance averaging method recently presented in [2] and a series of papers. The presented general results are illustrated by the analysis of a certain special problem.
机译:该贡献的目的是建立并应用宏观模型来分析预应力微周期弹性介质的动力学和稳定性。建模问题已由Kolpakov [1]使用渐近均匀化方法解决。但是,[1]中使用的方法忽略了周期长度对宏观(整体)实体行为的影响。为了消除这一缺陷,我们提出了一种非渐近建模方法,该方法是对文献[2]和一系列论文中最近提出的公差平均方法的某种概括。给出的一般结果通过对某些特殊问题的分析来说明。

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