Cable Force Identification Based on Bending Waves in Substructures
A method is proposed to study the dynamic characteristics of cable structures from the perspective of traveling waves based on the modified Timoshenko beam axial tension model. Considering the propagation characteristics of the bending wave in a beam structure, once the frequency response of the thr...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2020-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2020/8878806 |
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| _version_ | 1850167492740120576 |
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| author | Jing Huang Jun Xiao Jinxiang Zhang Fanying Jiang Yang Dai Mingjin Zhang |
| author_facet | Jing Huang Jun Xiao Jinxiang Zhang Fanying Jiang Yang Dai Mingjin Zhang |
| author_sort | Jing Huang |
| collection | DOAJ |
| description | A method is proposed to study the dynamic characteristics of cable structures from the perspective of traveling waves based on the modified Timoshenko beam axial tension model. Considering the propagation characteristics of the bending wave in a beam structure, once the frequency response of the three measuring points is measured, the wave component coefficients can be obtained by the least squares method, and then the cable force and bending stiffness can be identified with the aim of minimizing the fitting residual. The accuracy of this method is verified by a numerical simulation experiment of the cable vibration. Compared with the traditional frequency method, this method focuses on the cable force identification of the substructure, so the effect of the shock absorber is invalid. Moreover, the cable force of each position of the cable can be calculated reversely by static analysis with the identified cable force of the substructure, which breaks the concept that the cable force is a single value. Furthermore, the cable force can be identified at each frequency sampling point, reducing the impact of the external disturbance. |
| format | Article |
| id | doaj-art-d90e87bf7804456d8469b304cf199ff2 |
| institution | OA Journals |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-d90e87bf7804456d8469b304cf199ff22025-08-20T02:21:11ZengWileyShock and Vibration1070-96221875-92032020-01-01202010.1155/2020/88788068878806Cable Force Identification Based on Bending Waves in SubstructuresJing Huang0Jun Xiao1Jinxiang Zhang2Fanying Jiang3Yang Dai4Mingjin Zhang5Dongfang Electric Engineering & Consulting Co., Ltd., Chengdu 611731, ChinaCCCC Second Highway Engineering Co., Ltd., Xi’an 710064, ChinaDepartment of Bridge Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, ChinaDepartment of Bridge Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, ChinaSchool of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, ChinaDepartment of Bridge Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, ChinaA method is proposed to study the dynamic characteristics of cable structures from the perspective of traveling waves based on the modified Timoshenko beam axial tension model. Considering the propagation characteristics of the bending wave in a beam structure, once the frequency response of the three measuring points is measured, the wave component coefficients can be obtained by the least squares method, and then the cable force and bending stiffness can be identified with the aim of minimizing the fitting residual. The accuracy of this method is verified by a numerical simulation experiment of the cable vibration. Compared with the traditional frequency method, this method focuses on the cable force identification of the substructure, so the effect of the shock absorber is invalid. Moreover, the cable force of each position of the cable can be calculated reversely by static analysis with the identified cable force of the substructure, which breaks the concept that the cable force is a single value. Furthermore, the cable force can be identified at each frequency sampling point, reducing the impact of the external disturbance.http://dx.doi.org/10.1155/2020/8878806 |
| spellingShingle | Jing Huang Jun Xiao Jinxiang Zhang Fanying Jiang Yang Dai Mingjin Zhang Cable Force Identification Based on Bending Waves in Substructures Shock and Vibration |
| title | Cable Force Identification Based on Bending Waves in Substructures |
| title_full | Cable Force Identification Based on Bending Waves in Substructures |
| title_fullStr | Cable Force Identification Based on Bending Waves in Substructures |
| title_full_unstemmed | Cable Force Identification Based on Bending Waves in Substructures |
| title_short | Cable Force Identification Based on Bending Waves in Substructures |
| title_sort | cable force identification based on bending waves in substructures |
| url | http://dx.doi.org/10.1155/2020/8878806 |
| work_keys_str_mv | AT jinghuang cableforceidentificationbasedonbendingwavesinsubstructures AT junxiao cableforceidentificationbasedonbendingwavesinsubstructures AT jinxiangzhang cableforceidentificationbasedonbendingwavesinsubstructures AT fanyingjiang cableforceidentificationbasedonbendingwavesinsubstructures AT yangdai cableforceidentificationbasedonbendingwavesinsubstructures AT mingjinzhang cableforceidentificationbasedonbendingwavesinsubstructures |