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Application and comparison of different elastoplastic constitutive models for springback simulation of aluminum sheet forming 被引量:1

Application and comparison of different elastoplastic constitutive models for springback simulation of aluminum sheet forming
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摘要 Springback is considered to be one of the most important problems in aluminum sheet stamp forming, leading to deviation from the designed target shape and assembly defects. In this study, a springback simulation model based on the benchmark of a Jaguar Land Rover aluminum panel is established. We embed several elastoplastic constitutive models ( Barlat' s 89, Barlat' s YLD2000, Yoshida-Uemori (YU) + Barlat' s 89, and YU + Barlat' s YLD2000) in the finite element model,in order to discuss the influence of the constitutive model selection on springback prediction in aluminum sheet forming. Springback is considered to be one of the most important problems in aluminum sheet stamp forming, leading to deviation from the designed target shape and assembly defects. In this study, a springback simulation model based on the benchmark of a Jaguar Land Rover aluminum panel is established. We embed several elastoplastic constitutive models ( Barlat' s 89, Barlat' s YLD2000, Yoshida-Uemori (YU) + Barlat' s 89, and YU + Barlat' s YLD2000) in the finite element model,in order to discuss the influence of the constitutive model selection on springback prediction in aluminum sheet forming.
出处 《Baosteel Technical Research》 CAS 2016年第3期42-48,共7页 宝钢技术研究(英文版)
关键词 SPRINGBACK aluminum sheet torming elastoplastic constitutive model springback aluminum sheet torming elastoplastic constitutive model
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