Computer modeling deformation of porous elastoplastic materials and identification their characteristics using the principle of three-dimensional similarity
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 14 (2021) no. 6, pp. 746-755
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It is proposed to numerically model large deformations of porous specimens, using the 3D-similarity principle in structural elements, which makes it possible to account for the inhomogeneity of the stress-strain state due to the presence of pores and allows one to vary the number of representative volumes without changing porosity values and dimensions of the specimens. A methodology for determining true deformation diagrams of materials, using the results of compression tests, has been developed. The efficiency of using the 3D-similarity principle is demonstrated by comparing the numerical and experimental results for the example analyzing compression of porous specimens of an aluminum alloy with free lateral surfaces and fixed in a rigid cartridge.
Keywords:
porous metal, diagramm of deformation, deformation, 3D-similarity principle, structural element.
@article{JSFU_2021_14_6_a7,
author = {Valentin G. Bazhenov and Maxim N. Zhestkov},
title = {Computer modeling deformation of porous elastoplastic materials and identification their characteristics using the principle of three-dimensional similarity},
journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
pages = {746--755},
publisher = {mathdoc},
volume = {14},
number = {6},
year = {2021},
language = {en},
url = {http://geodesic.mathdoc.fr/item/JSFU_2021_14_6_a7/}
}
TY - JOUR AU - Valentin G. Bazhenov AU - Maxim N. Zhestkov TI - Computer modeling deformation of porous elastoplastic materials and identification their characteristics using the principle of three-dimensional similarity JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2021 SP - 746 EP - 755 VL - 14 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2021_14_6_a7/ LA - en ID - JSFU_2021_14_6_a7 ER -
%0 Journal Article %A Valentin G. Bazhenov %A Maxim N. Zhestkov %T Computer modeling deformation of porous elastoplastic materials and identification their characteristics using the principle of three-dimensional similarity %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2021 %P 746-755 %V 14 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2021_14_6_a7/ %G en %F JSFU_2021_14_6_a7
Valentin G. Bazhenov; Maxim N. Zhestkov. Computer modeling deformation of porous elastoplastic materials and identification their characteristics using the principle of three-dimensional similarity. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 14 (2021) no. 6, pp. 746-755. http://geodesic.mathdoc.fr/item/JSFU_2021_14_6_a7/