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| Method of solving structural dynamic stress in modal function and finite difference |
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| DOI：10.7511/jslx19982034 |
| KeyWord:dynamic stress,finite element,finite difference, |
| Lai Yongxing\ \ Wang Wei |
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| Abstract: |
| A new method solving structrual dynamic stress in finit element is presented in this paper. Stuctural dynamic stress can be obtained conveniently, which use solution of finite element and calculation of finite difference on modal function. Finally, we use the new method to analyze and calculate the example(bending beam and board). The results of calculation is high compared with finite element, and its calculation volocity is fast compared with dynamic finite element. |
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