ENHANCED LOWER-ORDER ELEMENT FORMULATIONS FOR LARGE STRAINS

Authors
CRISFIELD MA MOITA GF JELENIC G LYONS IPR
Citation
Ma. Crisfield et al., ENHANCED LOWER-ORDER ELEMENT FORMULATIONS FOR LARGE STRAINS, Computational mechanics, 17(1-2), 1995, pp. 62-73
Citations number
30
Categorie Soggetti
Mechanics
Journal title
Computational mechanics → ACNP
ISSN journal
01787675
Volume
17
Issue
1-2
Year of publication
1995
Pages
62 - 73
Database
ISI
SICI code
0178-7675(1995)17:1-2<62:ELEFFL>2.0.ZU;2-B
Abstract
The paper describes a range of lower-order element formulations that c an be applied to both elastic and elasto-plastic large-strain elements . For plane-strain analysis, this process involves four-noded quadrila terals while the enhancements involve incompatible modes or enhanced s trains. One particular new formulation can be considered as either a ' 'co-rotational approach'' or a modified form of ''Biot stress procedur e''.