Torsion Effects in Elastic Composites with High Contrast

Torsion Effects in Elastic Composites with High Contrast
复制标题

高对比度弹性复合材料中的扭转效应

DOI:
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发表时间:
2010
影响因子:
2
通讯作者:
Michel Bellieud
Michel Bellieud
中科院分区:
数学2区
文献类型:
--
作者:
Michel Bellieud

文献摘要

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建立了弹性振动问题的均匀化结果和校正结果。我们假设数据以周期性的方式依赖于一个小参数。我们还假设Lame系数在一个周期性的不相连的包含集合中可能取很高的值,而在其他地方取$varepsilon^2$阶的值。在纤维的情况下,扭转振动发生在一个无限小的尺度上,并引起非局部效应。
We establish a homogenization result and a corrector result for a vibration problem of elasticity. We assume that the data depend in a periodic way on a small parameter $varepsilon$. We assume also that the Lame coefficients take possibly high values in a periodical set of disconnected inclusions and take values of the order $varepsilon^2$ elsewhere. In the fibered case, torsional vibrations take place at an infinitesimal scale and give rise to nonlocal effects.