Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force Monitoring
This study investigates the dynamic characteristics of a smart PZT interface mounted on a prestressed anchorage to verify the numerical feasibility of the admittance-based anchor force monitoring technique. Firstly, the admittance-based anchor force monitoring technique through a single-mount PZT in...
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MDPI AG
2021-11-01
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| Online Access: | https://www.mdpi.com/2075-5309/11/11/550 |
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| author | Trung-Hau Nguyen Thi Tuong Vy Phan Thanh-Cao Le Duc-Duy Ho Thanh-Canh Huynh |
| author_facet | Trung-Hau Nguyen Thi Tuong Vy Phan Thanh-Cao Le Duc-Duy Ho Thanh-Canh Huynh |
| author_sort | Trung-Hau Nguyen |
| collection | DOAJ |
| description | This study investigates the dynamic characteristics of a smart PZT interface mounted on a prestressed anchorage to verify the numerical feasibility of the admittance-based anchor force monitoring technique. Firstly, the admittance-based anchor force monitoring technique through a single-mount PZT interface is outlined. The admittance response of the PZT interface-anchorage system is theoretically derived to show the proof-of-concept of the technique for anchor force monitoring. Secondly, a finite element model corresponding to a well-established experimental model in the literature is constructed. The effect of anchor force is equivalently treated by the contact stiffness and damping parameters at the bottom surface of the anchorage. Thirdly, the admittance and the impedance responses are numerically analyzed and compared with the experimental data to evaluate the accuracy of the numerical modelling technique. Fourthly, the local dynamics of the PZT interface are analyzed by modal analysis to determine vibration modes that are sensitive to the change in the contact stiffness (i.e., representing the anchor force). Finally, the admittance responses corresponding to the sensitive vibration modes are numerically analyzed under the change in the contact stiffness. The frequency shift and the admittance change are quantified by statistical damage indices to verify the numerical feasibility of the anchor force monitoring technique via the smart PZT interface. The study is expected to provide a reference numerical model for the design of the single-point mount PZT interface. |
| first_indexed | 2024-03-10T05:39:19Z |
| format | Article |
| id | doaj.art-638b1a8e06e643518682d91ca9759d58 |
| institution | Directory Open Access Journal |
| issn | 2075-5309 |
| language | English |
| last_indexed | 2024-03-10T05:39:19Z |
| publishDate | 2021-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Buildings |
| spelling | doaj.art-638b1a8e06e643518682d91ca9759d582023-11-22T22:40:08ZengMDPI AGBuildings2075-53092021-11-01111155010.3390/buildings11110550Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force MonitoringTrung-Hau Nguyen0Thi Tuong Vy Phan1Thanh-Cao Le2Duc-Duy Ho3Thanh-Canh Huynh4Faculty of Applied Science, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City 700000, VietnamInstitute of Research and Development, Duy Tan University, Danang 550000, VietnamVietnam National University Ho Chi Minh City (VNU-HCM), Linh Trung Ward, Thu Duc District, Ho Chi Minh City 700000, VietnamVietnam National University Ho Chi Minh City (VNU-HCM), Linh Trung Ward, Thu Duc District, Ho Chi Minh City 700000, VietnamInstitute of Research and Development, Duy Tan University, Danang 550000, VietnamThis study investigates the dynamic characteristics of a smart PZT interface mounted on a prestressed anchorage to verify the numerical feasibility of the admittance-based anchor force monitoring technique. Firstly, the admittance-based anchor force monitoring technique through a single-mount PZT interface is outlined. The admittance response of the PZT interface-anchorage system is theoretically derived to show the proof-of-concept of the technique for anchor force monitoring. Secondly, a finite element model corresponding to a well-established experimental model in the literature is constructed. The effect of anchor force is equivalently treated by the contact stiffness and damping parameters at the bottom surface of the anchorage. Thirdly, the admittance and the impedance responses are numerically analyzed and compared with the experimental data to evaluate the accuracy of the numerical modelling technique. Fourthly, the local dynamics of the PZT interface are analyzed by modal analysis to determine vibration modes that are sensitive to the change in the contact stiffness (i.e., representing the anchor force). Finally, the admittance responses corresponding to the sensitive vibration modes are numerically analyzed under the change in the contact stiffness. The frequency shift and the admittance change are quantified by statistical damage indices to verify the numerical feasibility of the anchor force monitoring technique via the smart PZT interface. The study is expected to provide a reference numerical model for the design of the single-point mount PZT interface.https://www.mdpi.com/2075-5309/11/11/550piezoelectric sensoradmittance methoddynamic characteristicsPZT interfacefinite element modelanchor force |
| spellingShingle | Trung-Hau Nguyen Thi Tuong Vy Phan Thanh-Cao Le Duc-Duy Ho Thanh-Canh Huynh Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force Monitoring Buildings piezoelectric sensor admittance method dynamic characteristics PZT interface finite element model anchor force |
| title | Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force Monitoring |
| title_full | Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force Monitoring |
| title_fullStr | Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force Monitoring |
| title_full_unstemmed | Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force Monitoring |
| title_short | Numerical Simulation of Single-Point Mount PZT-Interface for Admittance-Based Anchor Force Monitoring |
| title_sort | numerical simulation of single point mount pzt interface for admittance based anchor force monitoring |
| topic | piezoelectric sensor admittance method dynamic characteristics PZT interface finite element model anchor force |
| url | https://www.mdpi.com/2075-5309/11/11/550 |
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