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Abstract：
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Based on springback principle of minimum potential energy for straight beam bending, solving formula of the finite element method for calculating springback of straight beam bending was established, the finite element method program was compiled for calculating springback of straight beam bending, the beam was applied single point load. The calculated results of the program were contrasted with the results of three\|point bend experiment. From the comparison of the results, it is concluded that finite element method for calculating springback of straight beam bending is right. It is a new method to calculate the springback of straight beam bending.
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Funds：
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燕山大学发展基金资助项目
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AuthorIntro：
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Reference：
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1 朱东波,孙琨,李涤尘,卢秉恒.板料成形回弹问题研究新进展.塑性工程学报,2000,7(1):11～17
2 付宝连,聂绍珉,李文平.弯曲成形板条的回弹变分原理.塑性工程学报,2002,9(1):40～41,39
3 王勖成,邵敏有限元法基本原理和数值方法北京:清华大学出版社,1997
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