A hierarchy of simplified constitutive models within isotropic strain gradient elasticity
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- 作者：Castrenze Polizzotto castrenze.polizzotto@unipa.it" class="auth_mail" title="E-mail the corresponding author c.polizzotto@inwind.it" class="auth_mail" title="E-mail the corresponding author
- 关键词：Strain gradient elasticity ; Isotropic materials ; Double stresses ; Couple stresses
- 刊名：European Journal of Mechanics - A/Solids
- 出版年：2017
- 出版时间：January-February 2017
- 年：2017
- 卷：61
- 期：Complete
- 页码：92-109
- 全文大小：1196 K
文摘
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Isotropic models of strain gradient elasticity with 4 to 1 h.o. coefficients.
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Relation between dual gradient directions as a simplification criterion.
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Boundary-value problem for 4 h.o. coefficient solids and beam models.
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Aifantis and Koiter-Sokolowski models recovered as particular cases.
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Volumetric strain gradient is of two types, i.e. extensional and rotational.