Результаты исследований: Научные публикации в периодических изданиях › статья в журнале по материалам конференции › Рецензирование
Effects of dynamic deformation and fracture in the Klein - Gordon stress field. / Igusheva, Liudmila; Petrov, Yuri.
в: Procedia Structural Integrity, Том 28, 2020, стр. 1303-1309.Результаты исследований: Научные публикации в периодических изданиях › статья в журнале по материалам конференции › Рецензирование
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TY - JOUR
T1 - Effects of dynamic deformation and fracture in the Klein - Gordon stress field
AU - Igusheva, Liudmila
AU - Petrov, Yuri
N1 - Publisher Copyright: © 2020 The Authors. Published by Elsevier B.V.
PY - 2020
Y1 - 2020
N2 - The interaction of a constant cross-section rod with an elastic environment under dynamic loading is considered. The directly proportional to the displacement resistance forces impacted on the rod. Elastic and viscoelastic one-dimensional models describing longitudinal vibrations occurring in a rod located in the environment are developed. Numerical analysis of deformations and stresses in the rod in an elastic environment is performed, and deformation profiles in specific sections of the rod are calculated. The wave propagation and reflection from the free boundary of a finite-length rod are considered. The obtained results are compared with the experimental data and classical models of longitudinal vibrations of rods. A good correspondence of the calculation results with experimental data was revealed. Calculations describing the fracture of the rod are performed, and the possibility of spall fracture is shown. Fracture phenomenon is predicted by the incubation time criterion. In several special cases, the dependence of the threshold value of the load amplitude on the duration of the load is found.
AB - The interaction of a constant cross-section rod with an elastic environment under dynamic loading is considered. The directly proportional to the displacement resistance forces impacted on the rod. Elastic and viscoelastic one-dimensional models describing longitudinal vibrations occurring in a rod located in the environment are developed. Numerical analysis of deformations and stresses in the rod in an elastic environment is performed, and deformation profiles in specific sections of the rod are calculated. The wave propagation and reflection from the free boundary of a finite-length rod are considered. The obtained results are compared with the experimental data and classical models of longitudinal vibrations of rods. A good correspondence of the calculation results with experimental data was revealed. Calculations describing the fracture of the rod are performed, and the possibility of spall fracture is shown. Fracture phenomenon is predicted by the incubation time criterion. In several special cases, the dependence of the threshold value of the load amplitude on the duration of the load is found.
KW - Dynamic fracture
KW - Longitudinal vibrations
KW - One-dimensional problem
KW - Rods in the media
UR - http://www.scopus.com/inward/record.url?scp=85099852636&partnerID=8YFLogxK
U2 - 10.1016/j.prostr.2020.10.100
DO - 10.1016/j.prostr.2020.10.100
M3 - Conference article
AN - SCOPUS:85099852636
VL - 28
SP - 1303
EP - 1309
JO - Procedia Structural Integrity
JF - Procedia Structural Integrity
SN - 2452-3216
T2 - 1st Virtual European Conference on Fracture, VECF 2020
Y2 - 29 June 2020 through 1 July 2020
ER -
ID: 88240755