SYMMETRIC FORMULATION IN NON-ASSOCIATED VISCOPLASTICITY.

• Type: Article in International Scientific Journal
• Date: 1987

Authors

Melao Barros, MHF (Author) Other; Martins, RAF (Author) Other; Dinis, LMJS (Author) FEUP

Journal

Title: Engineering Computations

Vol. 4 No. 4

Pages: 35-40

ISSN: 0264-4401

Publisher: Emerald

Indexing

ISI Web of Knowledge

Scopus - 5 Citations

Other information

Authenticus ID: P-008-P38

Abstract (EN): Implicit solutions in viscoplastic analysis of structures are very often avoided due to the fact that they lead to non-symmetric systems of equations. On the other hand, structures such as soils have a marked non-associate behaviour that has to be taken into consideration. Here the implicit solutions are formulated in a way that, even for non-associate models, the system of equations is kept as symmetric. Apart from an 'exact' formulation of the algorithm other possibilities are considered and tested in the numerical examples given.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6