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Article

Explicit Analysis of Sheet Metal Forming Processes Using Solid-Shell Elements

1
Hubei Provincial Engineering Research Center of Industrial Detonator Intelligent Assembly, Wuhan Textile University, Wuhan 430073, China
2
State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
*
Author to whom correspondence should be addressed.
Academic Editor: Emin Bayraktar
Metals 2022, 12(1), 52; https://doi.org/10.3390/met12010052
Received: 16 November 2021 / Revised: 10 December 2021 / Accepted: 20 December 2021 / Published: 27 December 2021
(This article belongs to the Special Issue Plastic Forming, Microstructure, and Property Optimization of Metals)
To simulate sheet metal forming processes precisely, an in-house dynamic explicit code was developed to apply a new solid-shell element to sheet metal forming analyses, with a corotational coordinate system utilized to simplify the nonlinearity and to integrate the element with anisotropic constitutive laws. The enhancing parameter of the solid-shell element, implemented to circumvent the volumetric and thickness locking phenomena, was condensed into an explicit form. To avoid the rank deficiency, a modified physical stabilization involving the B-bar method and reconstruction of transverse shear components was adopted. For computational efficiency of the solid-shell element in numerical applications, an adaptive mesh subdivision scheme was developed, with element geometry and contact condition taken as subdivision criteria. To accurately capture the anisotropic behavior of sheet metals, material models with three different anisotropic yield functions were incorporated. Several numerical examples were carried out to validate the accuracy of the proposed element and the efficiency of the adaptive mesh subdivision. View Full-Text
Keywords: sheet metal forming; solid-shell element; nonlinear analysis; adaptive mesh subdivision sheet metal forming; solid-shell element; nonlinear analysis; adaptive mesh subdivision
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MDPI and ACS Style

Li, Q.-M.; Yi, Z.-W.; Liu, Y.-Q.; Tang, X.-F.; Jiang, W.; Li, H.-J. Explicit Analysis of Sheet Metal Forming Processes Using Solid-Shell Elements. Metals 2022, 12, 52. https://doi.org/10.3390/met12010052

AMA Style

Li Q-M, Yi Z-W, Liu Y-Q, Tang X-F, Jiang W, Li H-J. Explicit Analysis of Sheet Metal Forming Processes Using Solid-Shell Elements. Metals. 2022; 12(1):52. https://doi.org/10.3390/met12010052

Chicago/Turabian Style

Li, Qiao-Min, Zhao-Wei Yi, Yu-Qi Liu, Xue-Feng Tang, Wei Jiang, and Hong-Jun Li. 2022. "Explicit Analysis of Sheet Metal Forming Processes Using Solid-Shell Elements" Metals 12, no. 1: 52. https://doi.org/10.3390/met12010052

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