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Optimization of Forming Process of a U-rib by Gas Heating Based on Theoretical Prediction

Juan Blandon1, Shinji Takaba2, Toru Omae2, Naoki Osawa1, Hidekazu Murakawa3

Graduate School of Engineering, Osaka University, Japan.
Takadakiko Co. LTD, Japan.
Joining and Welding Research Institute, Osaka University, Japan.

Computer Modeling in Engineering & Sciences 2015, 106(1), 53-75. https://doi.org/10.3970/cmes.2015.106.053

Abstract

Bending deformation of U-rib by gas heating is investigated using Thermal Elastic Plastic FEA employing an accurate heat source model. To validate our computational model, comparison between numerical analysis and experimental measurements are carried out. Good agreement is obtained for both temperature and deformation measurements. Inherent deformation method is employed to evaluate the overall behavior of U-rib under the influence of heating location and heating speed. Based on the prediction by FEA and using the inherent deformation method a new mathematical model describing the deformation of the U-rib is developed and evaluated for different combinations of heating conditions which can optimize the process of U-rib bending.

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Cite This Article

Blandon, J., Takaba, S., Omae, T., Osawa, N., Murakawa, H. (2015). Optimization of Forming Process of a U-rib by Gas Heating Based on Theoretical Prediction. CMES-Computer Modeling in Engineering & Sciences, 106(1), 53–75.



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