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Three dimension profile extrusion simulation using meshfree method

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Abstract

A meshfree method based on reproducing kernel approximation and point collocation is presented for analysis of 3D profile extrusion processes. The point collocation method is a true meshfree method without the employment of a background mesh. We show that, in a point collocation approach, the implementation of program does not need the background mesh, which is a very time consuming process in a Galerkin method for integration. Among the points of the meshfree model, there is no connecting information. A mesh quality control method with mold interpenetration checking based on the Delaunay Bowyer-Watson algorithm is introduced to produce the topological relations, which enable us to show meshfree simulation results using the same procedure as in the finite element method. A C-shape profile extrusion application example is presented and compared with the finite element method to verify the proposed method.

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Acknowledgements

This work was supported by the National Science Foundation of P.R. China under grant number 50275059.

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Authors and Affiliations

  1. Department of Plasticity Forming Engineering, Shanghai Jiao Tong University, Shanghai, 200030, People’s Republic of China

    Hongyu Wen, Xianghuai Dong, Cunliang Yan & Xueyu Ruan

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  1. Hongyu Wen
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  2. Xianghuai Dong
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  3. Cunliang Yan
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  4. Xueyu Ruan
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Correspondence to Hongyu Wen.

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Wen, H., Dong, X., Yan, C. et al. Three dimension profile extrusion simulation using meshfree method. Int J Adv Manuf Technol 34, 270–276 (2007). https://doi.org/10.1007/s00170-006-0601-8

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  • DOI: https://doi.org/10.1007/s00170-006-0601-8

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