Strength and fatigue analysis of periodic perforated materials using the computational homogenization and ES-FEM approaches

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Authors

  • Phuong H. Nguyen Department of Civil Engineering, International University, Vietnam National University Ho Chi Minh City, Vietnam https://orcid.org/0000-0001-7497-9467
  • Canh V. Le Department of Civil Engineering, International University, Vietnam National University Ho Chi Minh City, Vietnam
  • Phuc L.H. Ho {Department of Civil Engineering, International University, Vietnam National University Ho Chi Minh City, Vietnam https://orcid.org/0000-0002-5794-805X

DOI:

https://doi.org/10.15625/0866-7136/16852

Keywords:

shakedown analysis, computational homogenization, overall plastic properties, ES-FEM

Abstract

This paper presents a computational homogenization shakedown analysis of periodic perforated materials with von Mises matrices. The plastic behaviors of the perforated materials under cyclic macroscopic loads are studied by means of kinematic shakedown theorem and computational homogenization method. The kinematic micro-fields are approximated by the edge-based smoothed finite element method. The resulting large-scale optimization problem is efficiently solved by using conic solver, enabling a large number of points on the macroscopic strength and fatigue surface to be calculated rapidly. The effects of the hole's shape and size on the overall strength and fatigue domains are also investigated.

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Published

30-03-2022

How to Cite

[1]
P. H. Nguyen, C. V. Le and P. L. Ho, Strength and fatigue analysis of periodic perforated materials using the computational homogenization and ES-FEM approaches, Vietnam J. Mech. 44 (2022) 83–95. DOI: https://doi.org/10.15625/0866-7136/16852.

Issue

Vol. 44 No. 1 (2022)

Section

Research Article

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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