Free vibration analysis and damage identification of beam-like structures containing a crack based on the extended finite element method

机译：基于延伸有限元法的裂缝的梁状结构的自由振动分析和损伤识别

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A scheme is presented for the free vibration analysis of beam-like structures containing a crack with the extended finite element method(XFEM). The scheme is compared with the traditional scheme with the finite element method. The natural frequency of a cantilever beam is analyzed using both the methods and the results are compared. A new method for the damage identification of a cantilever beam containing a crack is then presented.

机译：提出了一种方案，用于对横梁结构的自由振动分析，其含有延伸有限元法（XFEM）的裂缝。将该方案与具有有限元法的传统方案进行比较。使用方法和结果进行分析悬臂梁的固有频率。然后呈现一种损坏包含裂纹的悬臂梁的损坏识别方法。

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《International Conference on Civil Engineering and Building Materials》|2014年||共6页
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Xiaodong Zhang;
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中图分类 TU5-53;
关键词
The extended finite element method(XFEM); Free vibration; Natural frequency; Damage identification; Crack;

机译：扩展有限元方法（XFEM）;自由振动;自然频率;损坏识别;裂缝;

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专利

1. Development of a Finite Element System for Vibration Based Damage Development of a Finite Element System for Vibration Based Damage Identification in Structures [J] . Ashutosh Bagchi, Jag Humar, Ahmed Noman Journal of Applied Sciences . 2007,第17期

机译：基于振动造成振动造成振动造成振动损伤开发的有限元系统的开发
2. Application of the substructured finite element/extended finite element method (S-FE/XFE) to the analysis of cracks in aircraft thin walled structures [J] . E. Wyart, D. Coulon, T. Pardoen Engineering Fracture Mechanics . 2009,第1期

机译：子结构有限元/扩展有限元方法（S-FE / XFE）在飞机薄壁结构裂缝分析中的应用
3. Application of the substructured finite element/extended finite element method (S-FE/XFE) to the analysis of cracks in aircraft thin walled structures [J] . E. Wyart, D. Coulon, T. Pardoen Engineering Fracture Mechanics . 2009,第1期

机译：子结构有限元/扩展有限元方法（S-FE / XFE）在飞机薄壁结构裂缝分析中的应用
4. Free vibration analysis and damage identification of beam-like structures containing a crack based on the extended finite element method [C] . Xiaodong Zhang International Conference on Civil Engineering and Building Materials . 2014

机译：基于延伸有限元法的裂缝的自由振动分析和抗梁结构的损伤识别
5. Free vibration analysis of cyclic symmetric structures by finite element and boundary element methods. [D] . Lin, Li. 2003

机译：循环对称结构的自由振动分析的有限元和边界元方法。
6. Comparative modelling of crack propagation in elastic–plastic materials using the meshfree local radial basis point interpolation method and eXtended finite-element method [O] . Yazhe Li, Nengxiong Xu, Jinzhi Tu, 2019

机译：使用无网格局部径向基点插值法和扩展有限元法对弹塑性材料中裂纹扩展进行比较建模
7. Spectral finite element modelling and damage identification of beam-like structures using linear and nonlinear guided waves [O] . He Shuai 2017

机译：基于线性和非线性导波的梁状结构光谱有限元建模与损伤识别
8. Component Mode Synthesis and Large Deflection Vibration of Complex Structures. Volume 3. Multiple-Mode Nonlinear Free and Forced Vibrations of Beams Using Finite Element Method. Final Report,Period Ending January 31, 1987, [R] . mei, c. shen, m. 1987

机译：复杂结构的分量模态综合与大挠度振动。第3卷：梁的多模非线性自由和强迫振动的有限元法。最终报告，截止日期为1987年1月31日，

Free vibration analysis and damage identification of beam-like structures containing a crack based on the extended finite element method

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