Process optimization is carried out to determine process parameters which satisfy the given design requirements and constraint conditions in sheet-metal forming processes. The scheme incorporates with a rigid-plastic finite element method for calculation of the final shape and the strain distribution. The optimization scheme adopts a direct differentiation method or a response surface methodology in order to seek for the optimum condition of process parameters. The algorithm developed is applied to design of the draw-bead force and the die shapes in deep drawing processes. Results show that design of process parameters is well performed to increase the amount of strain for increasing the strength or to decrease the amount of strain for preventing fracture by tearing. The present algorithm also enhances the stable optimum solution with small number of iterations for optimization.
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October 2001
Technical Papers
Optimum Process Design in Sheet-Metal Forming With Finite Element Analysis
Hoon Huh,
Hoon Huh
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon, 305-701 Korea
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Se-Ho Kim
Se-Ho Kim
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon, 305-701 Korea
Search for other works by this author on:
Hoon Huh
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon, 305-701 Korea
Se-Ho Kim
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon, 305-701 Korea
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division July 24, 2000. Guests Editors: Jian Cao and Z. Cedric Xia.
J. Eng. Mater. Technol. Oct 2001, 123(4): 476-481 (6 pages)
Published Online: July 24, 2000
Article history
Received:
July 24, 2000
Citation
Huh , H., and Kim, S. (July 24, 2000). "Optimum Process Design in Sheet-Metal Forming With Finite Element Analysis ." ASME. J. Eng. Mater. Technol. October 2001; 123(4): 476–481. https://doi.org/10.1115/1.1395579
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