关于砌体和颗粒介质的非线性流变学

IF 5.7 1区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

International Journal of Engineering Science Pub Date : 2024-03-06 DOI:10.1016/j.ijengsci.2024.104053

Emanuele Reccia, Victor A. Eremeyev

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引用次数: 0

摘要

我们为某些粒状介质（如砌石）引入了一种新的流变非线性模型。后者可能表现出相当复杂的行为。事实上，考虑到砌体，我们可以看到砖块的相对旋转与砖块本身的变形相比是最重要的。因此，应力和耦合应力是这种介质的静态特征。我们使用 Cosserat 点方法对砌体元素之间的方向相互作用进行建模，为这种介质提供了变形能量，其中考虑到了材料和几何非线性因素。

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On nonlinear rheology of masonries and granular media

We introduce a new rheological nonlinear model for some granular media such as masonries. The latter may demonstrate a rather complex behaviour. In fact, considering a masonry one can see that relative rotations of bricks are most important in comparison with deformation of bricks themselves. As a result, one gets stresses and couple stresses as static characteristics of such a medium. Using the Cosserat point approach for modelling of orientational interactions between masonry elements we provide a deformation energy for such a medium which takes into account both material and geometrical nonlinearity.

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来源期刊

International Journal of Engineering Science 工程技术-工程：综合

CiteScore

11.80

自引率

16.70%

发文量

审稿时长

45 days

期刊介绍： The International Journal of Engineering Science is not limited to a specific aspect of science and engineering but is instead devoted to a wide range of subfields in the engineering sciences. While it encourages a broad spectrum of contribution in the engineering sciences, its core interest lies in issues concerning material modeling and response. Articles of interdisciplinary nature are particularly welcome. The primary goal of the new editors is to maintain high quality of publications. There will be a commitment to expediting the time taken for the publication of the papers. The articles that are sent for reviews will have names of the authors deleted with a view towards enhancing the objectivity and fairness of the review process. Articles that are devoted to the purely mathematical aspects without a discussion of the physical implications of the results or the consideration of specific examples are discouraged. Articles concerning material science should not be limited merely to a description and recording of observations but should contain theoretical or quantitative discussion of the results.