Instabilities in membrane tension: Parametric study for large strain thermoplasticity
Authors:
- Marzena Mucha,
- Balbina Wcisło,
- Jerzy Pamin,
- Katarzyna Kowalczyk-Gajewska
Abstract
This paper deals with the numerical analysis of localized deformation for a rectangular plate in membrane tension, modelled with large strain thermoplasticity. The aim is to determine the influence of selected factors on the localization phenomena, which can result from geometrical, material, and thermal softening. Two types of boundary conditions are considered: plane stress and plane strain, as well as two yield functions, Huber–Mises–Hencky and Burzyński–Drucker–Prager, with selected values of friction angle. First, isothermal conditions are considered and next, a conductive case with thermal softening is studied. Moreover, three types of plastic behaviour are analysed: strain hardening (with different values of hardening modulus), ideal plasticity, and strain softening. Numerical tests, performed using AceGen/FEM packages, are carried out for the rectangular plate under tension with an imperfection, using three finite element discretizations. The results for plane strain in the isothermal model show that with the decrease of linear hardening modulus, we can observe stronger mesh sensitivity, while for plane stress, mesh sensitivity is visible for all cases. Furthermore, for the thermomechanical model the results also depend on the mesh density due to insufficient heat conduction regularization.
- Record ID
- CUTde8e38d0c43b42f8943143cefa31a8bf
- Publication categories
- ;
- Author
- Journal series
- Archives of Civil and Mechanical Engineering, ISSN 1644-9665, e-ISSN 2083-3318
- Issue year
- 2018
- Vol
- 18
- No
- 4
- Pages
- 1055-1067
- Other elements of collation
- rys.; tab.; wykr.; Bibliografia (na s.) - 1067; Bibliografia (liczba pozycji) - 29; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 18, Iss. 4
- Keywords in English
- thermoplasticity, large strains, strain localization, parametric study
- DOI
- DOI:10.1016/j.acme.2018.01.008 Opening in a new tab
- URL
- https://www.sciencedirect.com/science/article/pii/S1644966518300086 Opening in a new tab
- Related project
- Analiza numeryczna niestateczności izotropowego materiału termoplastycznego przy dużych deformacjach. . Project leader at PK: , ,
Projects financed by NSC [Projekty finansowane przez NCN] - Language
- eng (en) English
- Score (nominal)
- 30
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTde8e38d0c43b42f8943143cefa31a8bf/
- URN
urn:pkr-prod:CUTde8e38d0c43b42f8943143cefa31a8bf
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.