Browse by Creator

2008

Sousa, R. print, Correia, J. print, Simoes, F. print, Ferreira, J. print, Cardoso, R. P. print, Gracio, J. print and Barlat, F. print (2008) Unconstrained springback behavior of Al–Mg–Si sheets for different sitting times. International Journal of Mechanical Sciences, 50 (9). pp. 1381-1389. ISSN 0020-7403

2007

Valente, R. print, Sousa, R. print, Jorge, N. print, Cardoso, R. P. print, Simoes, F. print, Yoon, J. print and Gracio, J. print (2007) An overview of sheet metal forming simulations with enhanced assumed strain elements. In: NUMIFORM 2007, Materials Processing and Design: Modeling, Simulation and Applications, June, 2007.

2006

Sousa, R. print, Yoon, J. print, Cardoso, R. P. print, Valente, R. print and Gracio, J. print (2006) Application of the reduced enhanced solid-shell finite element (RESS) for sheet metal forming applications. In: WCCM VII, Seventh World Congress in Computational Mechanics, Los Angeles, California, USA, July 16-22, 2006 , Los Angeles, California, USA, July 16-22, 2006 . Los Angeles, California, USA: UNSPECIFIED

Valente, R. print, Sousa, R. print, Cardoso, R. P. print, Yoon, J. print, Jorge, N. print and Gracio, J. print (2006) Sheet metal forming simulations using finite elements with enhancing variables. In: WCCM VII, Seventh World Congress in Computational Mechanics,Los Angeles, California, USA, July 16-22, 2006 , Los Angeles, California, USA, July 16-22, 2006 . Los Angeles, California, USA: UNSPECIFIED

Sousa, R. print, Cardoso, R. P. print, Valente, R. print, Yoon, J. print, Gracio, J. print and Natal, R. print (2006) A new one-point quadrature enhanced assumed strain solid-shell element with multiple integration points along thickness Part II - Nonlinear applications. International Journal for Numerical Methods in Engineering, 67 (2). pp. 160-188. ISSN 0029-5981

Cardoso, R. P. print, Yoon, J. print, Sousa, R. print, Valente, R. print and Gracio, J. print (2006) One point quadrature solid-shell elements for sheet metal forming applications. In: IDDRG 2006 Conference, Porto, Portugal, 19-21 June 2006, Porto, Portugal, 19-21 June, 2006. Porto, Portugal: UNSPECIFIED

Sousa, R. print, Yoon, J. print, Cardoso, R. P. print, Valente, R. print and Gracio, J. print (2006) Solid-shell element development emphasizing on plasticity applications. In: 9th ESAFORM Conference on Material Forming, Glasgow, UK, April, 2006, Glasgow, UK, April, 2006. Glasgow, UK: UNSPECIFIED

2005

Cardoso, R. P. print, Yoon, J. print, Valente, R. print, Gracio, J. print, Simoes, F. print and Sousa, R. print (2005) A nonlinear kinematic hardening model for the simulation of cyclic loading paths in anisotropic aluminum alloy sheets. In: 8th International Conference on Computational Plasticity (COMPLAS 2005), Barcelona, Spain, September 5-8, 2005 , Barcelona, Spain, September 5-8, 2005. Barcelona, Spain: UNSPECIFIED

Sousa, R. print, Cardoso, R. P. print, Valente, R. print, Yoon, J. print, Gracio, J. print and Natal, R. print (2005) Development of a one point quadrature EAS solid-shell element for sheet forming processes. In: Numisheet 2005, Detroit, USA, 15-19 August, 2005, Detroit, USA, 15-19 August, 2005. Detroit, USA: UNSPECIFIED

Valente, R. print, Parente, M. print, Jorge, N. print, Sousa, R. print, Cardoso, R. P. print, Cesar de Sa, J. print and Gracio, J. print (2005) Enhanced assumed strain shell and solid-shell finite element formulations for sheet metal forming. In: Congreso de M ́etodos Num ́ericos en Ingenieria, Granada, Spain, July, 2005.

Sousa, R. print, Cardoso, R. P. print, Valente, R. print, Yoon, J. print, Gracio, J. print and Natal, R. print (2005) A new one-point quadrature enhanced assumed strain solid-shell element with multiple integration points along thickness Part I - geometrically linear applications. International Journal for Numerical Methods in Engineering, 62 (7). pp. 952-977. ISSN 0029-5981

2004

Sousa, R. print, Cardoso, R. P. print, Valente, R. print, Yoon, J. print, Gracio, J. print and Natal, R. print (2004) Development of a one point quadrature EAS solid-shell element. In: NUMIFORM’04, 8th International Conference on Numerical Methods in Industrial Forming Processes, Ohio State University, Ohio, USA, 13-17th July, 2004.

Valente, R. print, Sousa, R. print, Natal, R. print, Cardoso, R. P. print, Cesar de Sa, J. print and Gracio, J. print (2004) Utilizacao de elementos do tipo ”casca e solido-casca” com extensoes acrescentadas para problemas elasto-plasticos com grandes deformacoes. In: Congresso de Metodos Computacionais em Engenharia, Toronto, Canada, July 2004, Toronto, Canada, July 2004. Toronto, Canada: UNSPECIFIED

2003

Yoon, J. print, Cardoso, R. P. print, Valente, R. print and Gracio, J. print (2003) Nonlinear kinematic hardening model for general non-quadratic anisotropic yield functions. In: Computational Plasticity, COMPLAS VII, 7th International Conference on Computational Plasticity, Barcelona, Spain, April 2003.

Valente, R. print, Natal, R. print, Cardoso, R. P. print, Cesar de Sa, J. print and Gracio, J. print (2003) On the use of an enhanced transverse shear strain shell element for problems involving large rotations. Computational Mechanics, 30 (4). pp. 286-296. ISSN 0178-7675

2002

Cardoso, R. P. print, Yoon, J. print, Gracio, J. print, Barlat, F. print and Cesar de Sa, J. print (2002) Development of a one point quadrature shell element for nonlinear applications with contact and anisotropy. Computer Methods in Applied Mechanics and Engineering, 191 (45). pp. 5177-5206. ISSN 0045-7825

Cardoso, R. P. print, Yoon, J. print, Gracio, J. print and Barlat, F. print (2002) One point quadrature shell element for nonlinear applications. In: NUMISHEET’02, Proceedings of the 5th International Conference and Workshop on Numerical Simulation of 3D Sheet Forming Processes, Jeju Island, South Korea, October, 2002.

Cardoso, R. P. print, Yoon, J. print, Gracio, J. print, Barlat, F. print, Cesar de Sa, J. print and Valente, R. print (2002) Projecto e optimizacao de processos de conformacao plastica de chapa recorrendo ao metodo dos elementos finitos. In: Metodos Numericos En Ingenieria V, SEMNI, Madrid, Spain, July, 2002.

2001

Cardoso, R. P. print, Yoon, J. print, Gracio, J. print, Barlat, F. print and Gracio, J. print (2001) Development of one point quadrature shell element for large deformation considering elasto-plastic material modeling. In: 6th International Conference on Numerical Methods in Industrial Forming Processes, August 2001.

2000

Yoon, J. print, Chung, K. print, Cardoso, R. P. print and Gracio, J. print (2000) Blank design for sheet metal product based on direct design method. In: 3rd International Conference on Forging Processes - XX SENAFOR, October 2000.

Cardoso, R. P. print, Gracio, J. print, Barlat, F. print and Yoon, J. print (2000) Finite element analysis of shear test in aluminium alloys. In: 3rd International Conference on Forging Processes - XX SENAFOR, October 2000.

Cardoso, R. P. print and Gracio, J. print (2000) Estrategias de desenvolvimento de ferramentas numericas para analise e optimizacao de processos de estampagem. In: VI Congresso Nacional de Mecanica Aplicada e Computacional, Portugal, July 2000.