具有表面效应的六方对称类纳米多孔弹性材料的有限元均匀化

PROCEEDINGS OF THE VI INTERNATIONAL SCIENTIFIC-PRACTICAL CONFERENCE «INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION» (ITSE-2018) Pub Date : 2018-09-05 DOI:10.23947/ITNO.2018.1.290-295

A. Kornievsky, Southern Federal Universit, A. Nasedkin

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引用次数: 0

摘要

采用有效模量法和有限元法研究了具有简单随机和开放孔隙结构的纳米多孔铍的有效模量。纳米效应在Gurtin-Murdoch界面应力模型框架内建模。在ANSYS软件包中进行建模和求解均质问题，在ACELAN-COMPOS软件包中生成具有开放孔隙度的代表性体积结构。分析了孔隙率、代表体积类型和孔径对纳米多孔铍有效模量的影响。

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FINITE ELEMENT HOMOGENIZATION OF NANOPOROUS ELASTIC MATERIAL OF THE HEXAGONAL CLASS OF SYMMETRY WITH SURFACE EFFECTS

Effective moduli of nanoporous beryllium with simple random and open structures of porosity were studied using effective modulus and finite element methods. Nanosized effects were modeled within the framework of the Gurtin-Murdoch model of interface stresses. Modeling and solving the homogenization problems were performed in the ANSYS package, while structures of representative volumes with open porosity were generated in the ACELAN-COMPOS package. The influence of porosity, types of representative volumes and pore sizes on the values of effective moduli of nanoporous beryllium were analyzed.

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PROCEEDINGS OF THE VI INTERNATIONAL SCIENTIFIC-PRACTICAL CONFERENCE «INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION» (ITSE-2018)

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