[2013] Nonlinear Finite Element Analysis of Spring-Back Characteristics in the Cold-Forming Process of Three-Dimensionally Curved Thick Metal Plates > Selected Papers

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[2013] Nonlinear Finite Element Analysis of Spring-Back Characteristic…

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Author Admin 작성일13-05-27 14:25 Hit16,956 Count Comments0 Count

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J. Offshore Mech. Arct. Eng. 135(3), 031001 (May 27, 2013) (6 pages)

Nonlinear Finite Element Analysis of Spring-Back Characteristics in the Cold-Forming Process of Three-Dimensionally Curved Thick Metal Plates

Author(s): Jeom Kee Paik, Jeong Hwan Kim, Bong Ju Kim and Chang Hyo Tak

Abstract:
The present paper is part of the study to develop the advanced computer aided manufacture (CAM) system called the changeable die system (CDS) that applies the cold-forming technique to produce curved thick metal plates with complex, three-dimensional geometry [Paik et al., 2009, “Development of the Changeable Die System for the Cold-Forming of Three-Dimensionally Curved Metal Plates,” The Lloyd's Register Educational Trust Research Centre of Excellence, Pusan National University, Korea]. This paper focuses on the procedure of predicting the spring-back characteristics using elastic-plastic large deflection finite element method, which is a key technical element within the framework of the CDS process. The validity of the procedure is confirmed by comparison with experimental results obtained by the CDS machine in the cold-forming process of curved steel plates.

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