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A coupled thermo-viscoplastic formulation at finite strains for the numerical simulation of superplastic forming
Adam, Laurent; Ponthot, Jean-Philippe
2001In Materials Science Forum, 357-359, p. 295-300
Peer reviewed
 

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Abstract :
[en] This paper is concerned with the numerical simulation of hot metal forming, especially superplastic forming. A complete thermo-viscoplastic formulation at finite strains is derived and a unified stress update algorithms for thermo-elastoplastic and thermo-elastoviscoplastic constitutive equations is obtained. The resulting unified implicit algorithm is both efficient and very inexpensive. Finally, numerical simulations of superplastic forming are exposed.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Mechanical engineering
Author, co-author :
Adam, Laurent
Ponthot, Jean-Philippe  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Language :
English
Title :
A coupled thermo-viscoplastic formulation at finite strains for the numerical simulation of superplastic forming
Publication date :
2001
Event name :
International Conference on Superplasticity in Advanced Materials(OCSAM-200)
Event place :
Orlando, United States - Florida
Event date :
Aug.01-04-2000
By request :
Yes
Audience :
International
Journal title :
Materials Science Forum
ISSN :
0255-5476
eISSN :
1662-9752
Publisher :
Trans Tech Publications, Switzerland
Volume :
357-359
Pages :
295-300
Peer reviewed :
Peer reviewed
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