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The simulation of sheet metal forming processes via integrating solid-shell element with explicit finite element method

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Abstract

Solid-shell elements can be seen as a class of typical double-surfaced shell elements with no rational degrees of freedom, which are more suitable for analyzing double-sided contact problems than conventional shell elements. In this study, a solid-shell finite element model is implemented into the explicit finite element software ABAQUS/Explicit as a user-defined element, through which the sheet metal forming processes are simulated. The main feature of this finite element model is that the solid-shell element formulation is embedded into an explicit finite element procedure, compared to the previous studies on the solid-shell elements under the implicit finite element framework. To obtain a straightforward element, a complete integration scheme is adopted. No loss of generality, a twelve-parameter enhance assumed strain method is employed to improve the element’s behavior. Two benchmarks from the NUMISHEET conference and a U-channel roll-forming process are simulated with this explicit solid-shell finite element model. The calculated results are comparable with experimental and numerical results presented in the literatures.

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Acknowledgments

The authors would like to acknowledge the financial support of National Natural Science Foundation of China (Nos.50634010, 50821003), Shanghai Science & Technology Projects (No. 09JC1407000), and Program for New Century Excellent Talents in University (NCET-07-0545). The authors also appreciate the supported of the Programme of Introducing Talents of Discipline to Universities (No. B06012).

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Authors and Affiliations

  1. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai, 200240, China

    L. M. Li & D. Y. Li

  2. State Key Laboratory of Mechanical System and Vibration, Shanghai, 200240, China

    Y. H. Peng

  3. School of Mechanical and Power Engineering, Shanghai Jiaotong University, 800 Dong Chuan Road, Shanghai, 200240, China

    D. Y. Li

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  1. L. M. Li
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  2. D. Y. Li
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Correspondence to D. Y. Li.

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Li, L.M., Li, D.Y. & Peng, Y.H. The simulation of sheet metal forming processes via integrating solid-shell element with explicit finite element method. Engineering with Computers 27, 273–284 (2011). https://doi.org/10.1007/s00366-010-0197-3

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  • DOI: https://doi.org/10.1007/s00366-010-0197-3

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