| 基于微分求积法的变密度印刷纸带振动特性分析 |
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| 引用本文： | 武吉梅,王忠民,武秋敏,王睿.基于微分求积法的变密度印刷纸带振动特性分析[J].振动与冲击,2010,29(3). |
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| 作者姓名： | 武吉梅 王忠民 武秋敏 王睿 |
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| 作者单位： | 1. 西安理工大学,印刷包装工程学院,西安,710048
2. 西安理工大学,理学院,西安,710048 |
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| 基金项目： | 国家自然科学基金资助项目，陕西省教育厅基金资助项目 |
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| 摘 要： | 采用微分求积法分析纸带面密度沿宽度方向线性变化时运动矩形纸带横向振动问题。建立了印刷运动纸带的横向振动模型。研究了变密度运动矩形纸带的无量纲振动频率与无量纲轴向运动速度、密度系数、纸带张力比之间的关系。数值计算结果表明,用微分求积法求解变密度运动矩形纸带横向振动问题是切实可行的。该研究结果为改善印刷纸带在印刷过程中的动态特性提供了理论依据。
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| 关 键 词： | 运动纸带 横向振动 变面密度 动态特性 |
| 收稿时间： | 2009-2-6 |
| 修稿时间： | 2009-4-20 |
Analysis of vibration characteristics of printing paper web with variable density based on differential quadrature method |
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| WU Ji-mei,WANG Zhong-min,WU Qiu-min,WANG Rui.Analysis of vibration characteristics of printing paper web with variable density based on differential quadrature method[J].Journal of Vibration and Shock,2010,29(3). |
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| Authors: | WU Ji-mei WANG Zhong-min WU Qiu-min WANG Rui |
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| Affiliation: | WU Ji-mei1,WANG Zhong-min2,WU Qiu-min1,WANG Rui1(1.Faculty of Printing , Packing Engineering,Xi\'an University of Technology,Xi\'an 710048,China,2.School of Sciences,China) |
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| Abstract: | The transverse vibration problem for the paper web with the density linearly varying along its width was studied by use of the differential quadrature method.A transverse vibration model of printing paper web was established.The relationships of nondimensional vibration frequency versus nondimensional velocity,density coefficient and tension ratio of paper web were analyzed.The results show that the differential quadrature method is feasible in solving the transverse vibration problem of variable density re... |
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| Keywords: | moving paper web transverse vibration variable density dynamic characteristic |
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