ON THE SIGN OF THE DETERMINANT OF THE STRUCTURAL STIFFNESS MATRIX FORDETERMINATION OF LOADING INCREMENT IN ARC-LENGTH ALGORITHMS

Authors
FENG YT OWEN DRJ PERIC D
Citation
Yt. Feng et al., ON THE SIGN OF THE DETERMINANT OF THE STRUCTURAL STIFFNESS MATRIX FORDETERMINATION OF LOADING INCREMENT IN ARC-LENGTH ALGORITHMS, Communications in numerical methods in engineering, 13(1), 1997, pp. 47-49
Citations number
8
Categorie Soggetti
Mathematical Method, Physical Science",Mathematics,Engineering
Journal title
Communications in numerical methods in engineering → ACNP
ISSN journal
10698299
Volume
13
Issue
1
Year of publication
1997
Pages
47 - 49
Database
ISI
SICI code
1069-8299(1997)13:1<47:OTSOTD>2.0.ZU;2-X
Abstract
In this paper, we have proved in theory that the sign of the current s tiffness matrix provides a correct indicator for determining the sign of the loading parameter in the arc-length algorithm before the first bifurcation point is encountered, but may not be the case thereafter.