Optimal configuration of ambient vibration sensors based on structural modeling for long cable-stayed bridge (in Chinese)
Sun, Z.H. , Li, Z.X. , Chan, T.H.T., & Han, X.L. (2007) Optimal configuration of ambient vibration sensors based on structural modeling for long cable-stayed bridge (in Chinese). Journal of Applied Science, 25(4), pp. 411-417.
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This paper studies the finite element (FE) modeling oriented to structural health monitoring (SHM) of long cable-stayed bridge and the optimal sensor configuration based on the structural dynamic response. Firstly , the FE model oriented SHMof Runyang Cable-Stayed Bridge (RYCB) is developed using ANSYS. Modal analysis of RYCB is carried out using the developed FE model . Taking the non-diagonal elements of the MAC matrix as target function , and increasing or decreasing the number of degree of freedom (DOF) , the optimal sensor placement of the bridge is obtained by minimizing the target function. Validation of the sensor placement is checked with the results obtained from the ambient vibration test of RYCB. It is shown that the sensor placement obtained from the measured data of RYCB is coincident with the result calculated from the FE model . The sensor placement obtained from the FE model of RYCB is valid from the experimental point of view.
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|Item Type:||Journal Article|
|Additional Information:||For more information, please refer to the journal's website (see hypertext link) or contact the author.|
|Keywords:||long, span bridge, finite, element model, dynamic characteristic, sensor placement, modal assurance criterion（MAC）|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)|
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2007 China Academic Journal Electronic Publishing House.|
|Deposited On:||07 May 2008|
|Last Modified:||11 Aug 2011 01:36|
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