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  • 标题:Thermodynamic-Consistent Microplane Theory for Materials at High Temperatures
  • 本地全文:下载
  • 作者:Sonia M.Vrech ; Sonia M.Vrech ; Marianela Ripani
  • 期刊名称:Mecánica Computacional
  • 印刷版ISSN:2591-3522
  • 出版年度:2021
  • 卷号:XXXVIII
  • 期号:28
  • 页码:1071-1079
  • 语种:English
  • 出版社:CIMEC-INTEC-CONICET-UNL
  • 摘要:In this work, a temperature-dependent thermodynamically consistent Microplane Theory is developed at material level to simulate the mechanical failure behavior of quasi-brittle materials like concrete exposed to high temperature fields under dominant tensile stresses. As it is well known, the combination of mechanical and thermal phenomena strongly affects the material brittleness. A temperature-dependent failure criterion based on the smeared cracked approach depending on normal and shear micro-stresses acting on each microplane is implemented. Finally, with the aim to validate the developed constitutive model, obtained numerical results are contrasted against experimental examples from the bibliography.
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