SPECTRAL ELEMENT MODEL FOR THE VIBRATION OF A SPINNING TIMOSHENKO SHAFT

Usik Lee; Injoon Jang

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SPECTRAL ELEMENT MODEL FOR THE VIBRATION OF A SPINNING TIMOSHENKO SHAFT

机译：旋转TIMOSHENKO轴振动的谱元模型

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A spectral element model for a spinning uniform shaft is developed. The spinning shaft supported by bearings is represented by the uniform Timoshenko beam model and the bearing-supports are represented by equivalent springs. The variational approach is used to formulate the spectral element model by using the frequency-dependent shape functions derived from exact wave solutions on the frequency-domain governing differential equations. The conventional finite element model is also formulated for evaluating the accuracy of the present spectral element model through some example problems.

机译：建立了旋转均匀轴的光谱元素模型。轴承支撑的旋转轴由统一的Timoshenko梁模型表示，轴承支撑由等效弹簧表示。使用变分法，通过使用从频域控制微分方程上的精确波解中导出的频率相关形状函数来建立频谱元素模型。还制定了常规的有限元模型，以通过一些示例问题来评估当前光谱元素模型的准确性。

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来源
《Journal of mechanics of materials and structures》 |2012年第2期|p.145-164|共20页
作者
Usik Lee; Injoon Jang;
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作者单位

Department of Mechanical Engineering, Inha University, 253 Yonghyun-Dong, Natn-Gu, Incheon 402-751, South Korea;

Department of Mechanical Engineering, Inha University, 253 Yonghyun-Dong, Nam-Gu, Incheon 402-751, South Korea;

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正文语种 eng
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关键词
spinning timoshenko shaft; spectral element model; finite element model; natural frequency; critical speed; spersion curve;

机译：蒂莫申科纺纱轴光谱元素模型有限元模型固有频率临界速度色散曲线;

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1. A New Methodology for Modeling and Free Vibrations Analysis of Rotating Shaft Based on the Timoshenko Beam Theory [J] . S. H. Mirtalaie, M. A. Hajabasi Journal of Vibration and Acoustics . 2016,第2期

机译：基于Timoshenko梁理论的旋转轴建模与自由振动分析的新方法。
2. Frequency domain spectral element model of uniform spinning shafts with thick discs [J] . Park I., Lee U. Materials Research Innovations . 2014,第suppla1期

机译：厚圆盘均匀纺纱轴的频域谱元模型
3. Spectral element analysis of the axial-bending-shear coupled vibrations of composite Timoshenko beams [J] . Jang I., Lee U. Journal of Composite Materials . 2012,第22期

机译：Timoshenko组合梁轴向弯剪耦合振动的谱元分析。
4. Spectral Element Model of a Spinning Timoshenko Shaft with Thick Disks [C] . J. Lee, J. Choi, U. Lee AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference . 2009

机译：带有厚圆盘的蒂莫申科自旋轴的光谱元素模型
5. Free vibration and stability analysis of spinning Timoshenko shafts with external and internal damping. [D] . Melanson, John Michael. 1996

机译：带有外部和内部阻尼的Timoshenko轴的自由振动和稳定性分析。
6. Vibration Analysis of Fluid Conveying Carbon Nanotubes Based on Nonlocal Timoshenko Beam Theory by Spectral Element Method [O] . Xiaolei Yi, Baohui Li, Zhengzhong Wang 2019

机译：基于非局部Timoshenko束理论的流体传输碳纳米管振动的谱元分析
7. Spectral element model for the vibration of a spinning Timoshenko shaft [O] . Usik Lee, Injoon Jang 2012

机译：旋转TIMOSHOKO轴振动的光谱元件模型
8. Summary of the Modeling and Test Correlations of a Nastran Finite Element Vibrations Model for the AH-1G Helicopter, Task 1 [R] . Cronkhite, J. D., Berry, V. L., Dompka, R. V. 1987

机译：aH-1G直升机Nastran有限元振动模型建模与测试关联综述，任务1

SPECTRAL ELEMENT MODEL FOR THE VIBRATION OF A SPINNING TIMOSHENKO SHAFT

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