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Structural Engineering and Mechanics Volume 53, Number 4, February25 2015 , pages 781-790 DOI: https://doi.org/10.12989/sem.2015.53.4.781 |
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Bending analysis of a single leaf flexure using higher-order beam theory |
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Nghia Huu Nguyen and Dong-Yeon Lee
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| Abstract | ||
| We apply higher-order beam theory to analyze the deflections and stresses of a cantilevered single leaf flexure in bending. Our equations include shear deformation and the warping effect in bending. The results are compared with Euler-Bernoulli and Timoshenko beam theory, and are verified by finite element analysis (FEA). The results show that the higher-order beam theory is in a good agreement with the FEA results, with errors of less than 10%. These results indicate that the analysis of the deflections and stresses of a single leaf flexure should consider the shear and warping effects in bending to ensure high precision mechanism design. | ||
| Key Words | ||
| single leaf flexure; higher-order beam theory; shear deformation; bending; stress analysis | ||
| Address | ||
| Nghia Huu Nguyen and Dong-Yeon Lee: School of Mechanical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of Korea | ||