Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/53346
Título: | DD3MAT: a code for yield criteria anisotropy parameters identification |
Autor(es): | Barros, P. D. Carvalho, P. D. Alves, J. L. Oliveira, M. C. Menezes, L. F. |
Data: | 1-Jan-2016 |
Editora: | IOP Publishing Ltd |
Revista: | Journal of Physics: Conference Series |
Resumo(s): | This work presents the main strategies and algorithms adopted in the DD3MAT in-house code, specifically developed for identifying the anisotropy parameters. The algorithm adopted is based on the minimization of an error function, using a downhill simplex method. The set of experimental values can consider yield stresses and r - values obtained from in-plane tension, for different angles with the rolling direction (RD), yield stress and r - value obtained for biaxial stress state, and yield stresses from shear tests performed also for different angles to RD. All these values can be defined for a specific value of plastic work. Moreover, it can also include the yield stresses obtained from in-plane compression tests. The anisotropy parameters are identified for an AA2090-T3 aluminium alloy, highlighting the importance of the user intervention to improve the numerical fit. |
Tipo: | Artigo em ata de conferência |
URI: | https://hdl.handle.net/1822/53346 |
DOI: | 10.1088/1742-6596/734/3/032053 |
ISSN: | 1742-6588 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | DEM - Publicações em actas de encontros científicos / Papers in conference proceedings |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Paper_Numisheet16 (PB).pdf | 735,29 kB | Adobe PDF | Ver/Abrir |