Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system
Welded Turnout on Large-span Bridge (WTLB) is a complex multi-layer heterogeneous system and can significantly influence the service performance of High-Speed Railway (HSR). Understanding the coupling dynamic response of the vehicle and WTLB is essential. Previous research did not consider the dynam...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2024-12-01
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| Series: | High-Speed Railway |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S294986782400059X |
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| author | Xiaopei Cai Zijie Zhong Albert Lau Qian Zhang Yue Hou |
| author_facet | Xiaopei Cai Zijie Zhong Albert Lau Qian Zhang Yue Hou |
| author_sort | Xiaopei Cai |
| collection | DOAJ |
| description | Welded Turnout on Large-span Bridge (WTLB) is a complex multi-layer heterogeneous system and can significantly influence the service performance of High-Speed Railway (HSR). Understanding the coupling dynamic response of the vehicle and WTLB is essential. Previous research did not consider the dynamic behavior of foundations, leading to an underestimation of the vehicle-turnout-foundation coupling dynamic response, particularly when turnouts were laid on large-span bridges. This study proposes a novel modeling method that includes the foundations, to overcome the previous shortcomings by applying a rigid-flexible coupling system. In this approach, the vehicle was modeled as a rigid body sub-model in a Multi-Body Software (MBS), while WTLB was modeled as a flexible bodies sub-model using Finite Element (FE) software. The modal information from the FE model was imported into the MBS software. The two sub-models were coupled by the wheel-rail contact in the MBS environment and then the Vehicle-turnout-bridge Rigid-flexible Coupling Dynamic (VRCD) calculation model was established and it was discovered that the calculation results showed good agreement with the field test data. Through the VRCD model, the safety of the structure, the stability of the vehicle and the comfort of passengers were investigated, as well as several important infrastructure factors. The results demonstrate that this novel method provides accurate calculations and highlights the complex and significant interactions in the vehicle-turnout-bridge system. |
| format | Article |
| id | doaj-art-de9fa98c5dc44dffab4157590f5dcd21 |
| institution | OA Journals |
| issn | 2949-8678 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | High-Speed Railway |
| spelling | doaj-art-de9fa98c5dc44dffab4157590f5dcd212025-08-20T01:57:25ZengKeAi Communications Co., Ltd.High-Speed Railway2949-86782024-12-012420321810.1016/j.hspr.2024.09.001Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling systemXiaopei Cai0Zijie Zhong1Albert Lau2Qian Zhang3Yue Hou4School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China; Corresponding author.School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, ChinaDepartment of Civil and Environmental Engineering, Norwegian University of Science and Technology, Trondheim 7491, NorwaySchool of Civil Engineering, Beijing Jiaotong University, Beijing 100044, ChinaDepartment of Civil Engineering, Swansea University, Swansea SA2 8PP, UKWelded Turnout on Large-span Bridge (WTLB) is a complex multi-layer heterogeneous system and can significantly influence the service performance of High-Speed Railway (HSR). Understanding the coupling dynamic response of the vehicle and WTLB is essential. Previous research did not consider the dynamic behavior of foundations, leading to an underestimation of the vehicle-turnout-foundation coupling dynamic response, particularly when turnouts were laid on large-span bridges. This study proposes a novel modeling method that includes the foundations, to overcome the previous shortcomings by applying a rigid-flexible coupling system. In this approach, the vehicle was modeled as a rigid body sub-model in a Multi-Body Software (MBS), while WTLB was modeled as a flexible bodies sub-model using Finite Element (FE) software. The modal information from the FE model was imported into the MBS software. The two sub-models were coupled by the wheel-rail contact in the MBS environment and then the Vehicle-turnout-bridge Rigid-flexible Coupling Dynamic (VRCD) calculation model was established and it was discovered that the calculation results showed good agreement with the field test data. Through the VRCD model, the safety of the structure, the stability of the vehicle and the comfort of passengers were investigated, as well as several important infrastructure factors. The results demonstrate that this novel method provides accurate calculations and highlights the complex and significant interactions in the vehicle-turnout-bridge system.http://www.sciencedirect.com/science/article/pii/S294986782400059XHigh-speed railwayWelded turnoutLarge-span bridgeDynamic responseRigid-flexible coupling system |
| spellingShingle | Xiaopei Cai Zijie Zhong Albert Lau Qian Zhang Yue Hou Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system High-Speed Railway High-speed railway Welded turnout Large-span bridge Dynamic response Rigid-flexible coupling system |
| title | Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system |
| title_full | Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system |
| title_fullStr | Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system |
| title_full_unstemmed | Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system |
| title_short | Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system |
| title_sort | dynamic response of high speed railway vehicle and welded turnout on large span bridges based on rigid flexible coupling system |
| topic | High-speed railway Welded turnout Large-span bridge Dynamic response Rigid-flexible coupling system |
| url | http://www.sciencedirect.com/science/article/pii/S294986782400059X |
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