| Surface Modelling and Mesh Generation for Simulating Superplastic Forming |
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| 作者单位： | Zhao Hongsheng College of Mechanical Engineering，Taiyuan University of Technology，Taiyuan 030024，ChinaLin Jianguo School of Manu. and Mech. Engineering，University of Birmingham，Birmingham B15 UK |
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| 摘 要： | This paper presents an approach which enables surface modelling, mesh generation and the Finite Element (FE) analysis to be integrated together to simulate superplastic forming process for complex shaped components. Techniques have been developed to generate an FE mesh over non-four-sided surface areas, the boundaries of which are Bezier curves of arbitrary degree, using a consistent expression. Theoretical evidence is given to determine the number of Bezier triangular patches required for accurately re-constructing die surfaces within a commercial FE solver. The developed techniques have been successfully used in determining the process parameters for forming a 3D rectangular box.
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Surface Modelling and Mesh Generation for Simulating Superplastic Forming |
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| Zhao Hongsheng College of Mechanical Engineering,Taiyuan University of Technology,Taiyuan ,ChinaLin Jianguo School of Manu. and Mech. Engineering,University of Birmingham,Birmingham B UK. Surface Modelling and Mesh Generation for Simulating Superplastic Forming[J]. CADDM, 2002, 0(2) |
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| Authors: | Zhao Hongsheng College of Mechanical Engineering Taiyuan University of Technology Taiyuan ChinaLin Jianguo School of Manu. Mech. Engineering University of Birmingham Birmingham B UK |
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| Affiliation: | Zhao Hongsheng College of Mechanical Engineering,Taiyuan University of Technology,Taiyuan 030024,ChinaLin Jianguo School of Manu. and Mech. Engineering,University of Birmingham,Birmingham B15 UK |
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| Abstract: | This paper presents an approach which enables surface modelling, mesh generation and the Finite Element (FE) analysis to be integrated together to simulate superplastic forming process for complex shaped components. Techniques have been developed to generate an FE mesh over non-four-sided surface areas, the boundaries of which are Bezier curves of arbitrary degree, using a consistent expression. Theoretical evidence is given to determine the number of Bezier triangular patches required for accurately re-constructing die surfaces within a commercial FE solver. The developed techniques have been successfully used in determining the process parameters for forming a 3D rectangular box. |
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| Keywords: | surface modelling mesh generation superplastic forming |
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