Earing prediction of AA 2008-T4 with anisotropic Drucker yield function based on the second and third stress invariants
This paper applies anisotropic Drucker yield function [14] (Lou and Yoon, 2018, Int. J. Plasticity 101, 125-55) to predict earing profile after cup deep drawing of AA 2008-T4. The new yield function is implemented into ABAQUS/Explicit using semi-implicit integration algorithm to calculate the increm...
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| Published in: | Journal of physics. Conference series Vol. 1063; no. 1; pp. 12113 - 12118 |
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| Main Authors: | , , |
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| Language: | English |
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01.07.2018
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| ISSN: | 1742-6588, 1742-6596 |
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| Abstract | This paper applies anisotropic Drucker yield function [14] (Lou and Yoon, 2018, Int. J. Plasticity 101, 125-55) to predict earing profile after cup deep drawing of AA 2008-T4. The new yield function is implemented into ABAQUS/Explicit using semi-implicit integration algorithm to calculate the increment of plastic strain. Both associated and non-associated flow rules are incorporated in this study. The predicted anisotropy and cup height profile are compared with the experimental results and those predicted from the Hill48, Yld91 and Yld2004-18p yield functions. It is observed that the earing profile predicted from the new yield function shows high accuracy. The computation time is also compared to investigate the computation cost of different yield functions. The comparison reveals that it takes the shortest time for the Hill48 function, the anisotropic Drucker yield function reduces 30%∼40% of computation cost compared with the Yld91 and Yld2004-18p functions. It is concluded from the simulation of cup deep drawing that the new yield function can provide high accurate numerical analysis of plastic deformation for anisotropic metals with competitive computation cost. |
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| AbstractList | This paper applies anisotropic Drucker yield function [14] (Lou and Yoon, 2018, Int. J. Plasticity 101, 125-55) to predict earing profile after cup deep drawing of AA 2008-T4. The new yield function is implemented into ABAQUS/Explicit using semi-implicit integration algorithm to calculate the increment of plastic strain. Both associated and non-associated flow rules are incorporated in this study. The predicted anisotropy and cup height profile are compared with the experimental results and those predicted from the Hill48, Yld91 and Yld2004-18p yield functions. It is observed that the earing profile predicted from the new yield function shows high accuracy. The computation time is also compared to investigate the computation cost of different yield functions. The comparison reveals that it takes the shortest time for the Hill48 function, the anisotropic Drucker yield function reduces 30%∼40% of computation cost compared with the Yld91 and Yld2004-18p functions. It is concluded from the simulation of cup deep drawing that the new yield function can provide high accurate numerical analysis of plastic deformation for anisotropic metals with competitive computation cost. |
| Author | Zhang, Saijun Yoon, Jeong Whan Lou, Yanshan |
| Author_xml | – sequence: 1 givenname: Saijun surname: Zhang fullname: Zhang, Saijun organization: Institute for Frontier Materials, Deakin University , Australia – sequence: 2 givenname: Yanshan surname: Lou fullname: Lou, Yanshan organization: Institute for Frontier Materials, Deakin University , Australia – sequence: 3 givenname: Jeong Whan surname: Yoon fullname: Yoon, Jeong Whan organization: Department of Mechanical Engineering, KAIST , Republic of Korea |
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| CitedBy_id | crossref_primary_10_1016_j_ijmecsci_2022_107549 crossref_primary_10_1016_j_ijmecsci_2021_106951 crossref_primary_10_1108_EC_06_2023_0273 crossref_primary_10_1016_j_jallcom_2021_159955 crossref_primary_10_1186_s10033_019_0390_2 |
| Cites_doi | 10.1016/0749-6419(91)90052-Z 10.1016/S0749-6419(01)00053-5 10.1016/j.ijplas.2005.03.013 10.1016/S0749-6419(03)00099-8 10.1016/j.ijplas.2013.11.008 10.1016/S0749-6419(02)00019-0 10.1016/j.ijplas.2009.02.003 10.1016/j.ijplas.2004.04.003 10.1177/108128650100600603 10.1016/j.ijmecsci.2012.11.010 10.1016/j.ijplas.2017.10.012 10.1016/j.ijplas.2004.06.004 10.1016/0749-6419(92)90059-L |
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| SubjectTerms | Algorithms Anisotropy Computation Cost analysis Deep drawing Earing Finite element method Numerical analysis Physics Plastic deformation |
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| Title | Earing prediction of AA 2008-T4 with anisotropic Drucker yield function based on the second and third stress invariants |
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