| 动载荷作用下区分厚壁圆筒和薄壁圆筒的一个准则 |
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| 引用本文： | 陈勇军,朱劲松,孙国有,邓贵德,郑津洋.动载荷作用下区分厚壁圆筒和薄壁圆筒的一个准则[J].压力容器,2005,22(6):15-19. |
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| 作者姓名： | 陈勇军 朱劲松 孙国有 邓贵德 郑津洋 |
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| 作者单位： | 1. 浙江大学,浙江,杭州,310027
2. 衢州学院,浙江,衢州,324006 |
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| 基金项目： | 国家自然科学基金资助项目(10372091)。 |
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| 摘 要： | 从厚壁圆筒弹性动应力解出发,给出了厚壁圆筒内外径处的环向应力的简化计算公式,并提出了在动载荷作用下区分厚壁圆筒和薄壁圆筒的一个准则,认为当K≤1.14时,可以将圆筒视作薄壁圆筒。
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| 关 键 词： | 弹性动力学 动力响应 厚壁圆筒 薄壁圆筒 |
| 文章编号： | 1001-4837(2005)06-0015-05 |
A Criterion to Distinguish between Thick-walled Cylinder and Thin-walled Cylinder under Dynamic Loading |
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| Chen Yong-jun,ZHU Jin-song,SUN Guo-you,DENG Gui-de,ZHENG Jin-yang.A Criterion to Distinguish between Thick-walled Cylinder and Thin-walled Cylinder under Dynamic Loading[J].Pressure Vessel Technology,2005,22(6):15-19. |
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| Authors: | Chen Yong-jun ZHU Jin-song SUN Guo-you DENG Gui-de ZHENG Jin-yang |
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| Affiliation: | CHEN Yong-jun1,ZHU Jin-song2,SUN Guo-you1,DENG Gui-de1,ZHENG Jin-yang1 |
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| Abstract: | Simplified formulas of stresses at the inner surface and outer surface of a thick-walled cylinder have been derived based on an elastodynamic solution of thick-walled cylinder under dynamic loading. Furthermore, criterion to distinguish between thick-walled cylinder and thin-walled cylinder under dynamic loading is studied. Numerical calculations show that a cylinder may be thought as a thin-walled cylinder when the ratio of outer radius to inner radius is no more than 1.14. |
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| Keywords: | elastodynamic dynamic response thick-walled cylinder thin-walled cylinder |
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