Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear Regression
Marine risers are essential for offshore resource extraction, yet traditional metal risers encounter limitations in deep-sea applications due to their substantial weight. Fiber-reinforced polymer (FRP) composites offer a promising alternative with advantages including low density and enhanced corros...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-06-01
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| Series: | Journal of Marine Science and Engineering |
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| Online Access: | https://www.mdpi.com/2077-1312/13/7/1281 |
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| author | Lin Zhang Chunguang Wang Wentao He Keshun Ma Run Zheng Chiemela Victor Amaechi Zhenyang Zhang |
| author_facet | Lin Zhang Chunguang Wang Wentao He Keshun Ma Run Zheng Chiemela Victor Amaechi Zhenyang Zhang |
| author_sort | Lin Zhang |
| collection | DOAJ |
| description | Marine risers are essential for offshore resource extraction, yet traditional metal risers encounter limitations in deep-sea applications due to their substantial weight. Fiber-reinforced polymer (FRP) composites offer a promising alternative with advantages including low density and enhanced corrosion/fatigue resistance. However, FRP risers remain susceptible to fatigue damage from vortex-induced vibration (VIV). Therefore, this study investigated VIV behavior of FRP composite risers considering the coupled effect of tensile-flexural moduli, top tensions, slenderness ratios, and flow velocities. Through an orthogonal experimental design, eighteen cases were analyzed using multivariate nonlinear fitting. Results indicated that FRP composite risers exhibited larger vibration amplitudes than metal counterparts, with amplitudes increasing to both riser length and flow velocity. It was also found that the optimized FRP configuration demonstrated enhanced fiber strength utilization. Parameter coupling analysis revealed that the multivariate nonlinear fitting model achieved sufficient accuracy when incorporating two coupled parameters, with the most significant interaction occurring between flexural modulus and top tension. |
| format | Article |
| id | doaj-art-4be6ec27ebc14538ab8a1e5c7b879aa3 |
| institution | Matheson Library |
| issn | 2077-1312 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Marine Science and Engineering |
| spelling | doaj-art-4be6ec27ebc14538ab8a1e5c7b879aa32025-07-25T13:26:59ZengMDPI AGJournal of Marine Science and Engineering2077-13122025-06-01137128110.3390/jmse13071281Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear RegressionLin Zhang0Chunguang Wang1Wentao He2Keshun Ma3Run Zheng4Chiemela Victor Amaechi5Zhenyang Zhang6School of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255049, ChinaSchool of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255049, ChinaShandong Provincial Key Laboratory of Ocean Engineering, Qingdao 266100, ChinaSchool of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255049, ChinaSchool of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255049, ChinaSchool of Engineering, Lancaster University, Lancaster LA1 4YW, UKSchool of Civil Engineering and Geomatics, Shandong University of Technology, Zibo 255049, ChinaMarine risers are essential for offshore resource extraction, yet traditional metal risers encounter limitations in deep-sea applications due to their substantial weight. Fiber-reinforced polymer (FRP) composites offer a promising alternative with advantages including low density and enhanced corrosion/fatigue resistance. However, FRP risers remain susceptible to fatigue damage from vortex-induced vibration (VIV). Therefore, this study investigated VIV behavior of FRP composite risers considering the coupled effect of tensile-flexural moduli, top tensions, slenderness ratios, and flow velocities. Through an orthogonal experimental design, eighteen cases were analyzed using multivariate nonlinear fitting. Results indicated that FRP composite risers exhibited larger vibration amplitudes than metal counterparts, with amplitudes increasing to both riser length and flow velocity. It was also found that the optimized FRP configuration demonstrated enhanced fiber strength utilization. Parameter coupling analysis revealed that the multivariate nonlinear fitting model achieved sufficient accuracy when incorporating two coupled parameters, with the most significant interaction occurring between flexural modulus and top tension.https://www.mdpi.com/2077-1312/13/7/1281marine riserFRP composite riservortex-induced vibrationmultivariate nonlinear fittingcoupling effect |
| spellingShingle | Lin Zhang Chunguang Wang Wentao He Keshun Ma Run Zheng Chiemela Victor Amaechi Zhenyang Zhang Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear Regression Journal of Marine Science and Engineering marine riser FRP composite riser vortex-induced vibration multivariate nonlinear fitting coupling effect |
| title | Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear Regression |
| title_full | Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear Regression |
| title_fullStr | Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear Regression |
| title_full_unstemmed | Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear Regression |
| title_short | Vortex-Induced Vibration Analysis of FRP Composite Risers Using Multivariate Nonlinear Regression |
| title_sort | vortex induced vibration analysis of frp composite risers using multivariate nonlinear regression |
| topic | marine riser FRP composite riser vortex-induced vibration multivariate nonlinear fitting coupling effect |
| url | https://www.mdpi.com/2077-1312/13/7/1281 |
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