Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam

To carry out the experimental study of flow-induced vibration for roller compacted concrete dam (RCCD), the improved hydroelastic model experiment (HEME) technology that satisfying both the hydraulic and structural dynamic similarities is presented, and an improved combinatorial method is proposed t...

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Autores principales:	Yijia Li, Jianchao Hu, Bin Ma, Chao Liang
Formato:	article
Lenguaje:	EN
Publicado:	SAGE Publishing 2021
Materias:	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246
Acceso en línea:	https://doaj.org/article/5dcfb36b01224fcc9a49f9584aebb14d
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spelling	oai:doaj.org-article:5dcfb36b01224fcc9a49f9584aebb14d2021-12-02T02:33:49ZDevelopment and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam1461-34842048-404610.1177/14613484211007635https://doaj.org/article/5dcfb36b01224fcc9a49f9584aebb14d2021-12-01T00:00:00Zhttps://doi.org/10.1177/14613484211007635https://doaj.org/toc/1461-3484https://doaj.org/toc/2048-4046To carry out the experimental study of flow-induced vibration for roller compacted concrete dam (RCCD), the improved hydroelastic model experiment (HEME) technology that satisfying both the hydraulic and structural dynamic similarities is presented, and an improved combinatorial method is proposed to effectively and accurately calculate the dynamic characteristics of RCCD model under natural excitation and complex environment. Due to the insufficient study on the simulation technique for the interfaces between adjacent concrete layers in RCCD, the conventional HEME technology which is frequently applied is not applicable to the RCCD dynamic analysis. Therefore, the hydroelastic simulation schemes for cold joints and ordinary interfaces in RCCD are firstly presented based on experimental and theoretical researches and numerical verification. Then, the integral RCCD model is established and its dynamic displacements under flood discharge excitation are tested. Furthermore, the proposed method that combines the advantages of natural excitation technique (NExT), singular entropy (SE) method, and eigensystem realization algorithm with data correlation (ERA/DC) method is applied to calculate the dynamic characteristics of RCCD model. The dynamic characteristics of the RCCD model calculated by the proposed theoretical method are very similar to those of the actual RCCD calculated by numerical simulation, which indicate the effectiveness and accuracy for the improved HEME technology and combinatorial method.Yijia LiJianchao HuBin MaChao LiangSAGE PublishingarticleControl engineering systems. Automatic machinery (General)TJ212-225Acoustics. SoundQC221-246ENJournal of Low Frequency Noise, Vibration and Active Control, Vol 40 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246
spellingShingle	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246 Yijia Li Jianchao Hu Bin Ma Chao Liang Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam
description	To carry out the experimental study of flow-induced vibration for roller compacted concrete dam (RCCD), the improved hydroelastic model experiment (HEME) technology that satisfying both the hydraulic and structural dynamic similarities is presented, and an improved combinatorial method is proposed to effectively and accurately calculate the dynamic characteristics of RCCD model under natural excitation and complex environment. Due to the insufficient study on the simulation technique for the interfaces between adjacent concrete layers in RCCD, the conventional HEME technology which is frequently applied is not applicable to the RCCD dynamic analysis. Therefore, the hydroelastic simulation schemes for cold joints and ordinary interfaces in RCCD are firstly presented based on experimental and theoretical researches and numerical verification. Then, the integral RCCD model is established and its dynamic displacements under flood discharge excitation are tested. Furthermore, the proposed method that combines the advantages of natural excitation technique (NExT), singular entropy (SE) method, and eigensystem realization algorithm with data correlation (ERA/DC) method is applied to calculate the dynamic characteristics of RCCD model. The dynamic characteristics of the RCCD model calculated by the proposed theoretical method are very similar to those of the actual RCCD calculated by numerical simulation, which indicate the effectiveness and accuracy for the improved HEME technology and combinatorial method.
format	article
author	Yijia Li Jianchao Hu Bin Ma Chao Liang
author_facet	Yijia Li Jianchao Hu Bin Ma Chao Liang
author_sort	Yijia Li
title	Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam
title_short	Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam
title_full	Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam
title_fullStr	Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam
title_full_unstemmed	Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam
title_sort	development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam
publisher	SAGE Publishing
publishDate	2021
url	https://doaj.org/article/5dcfb36b01224fcc9a49f9584aebb14d
work_keys_str_mv	AT yijiali developmentandverificationofhydroelasticmodelexperimentfortheflowinducedvibrationanalysisofrollercompactedconcretedam AT jianchaohu developmentandverificationofhydroelasticmodelexperimentfortheflowinducedvibrationanalysisofrollercompactedconcretedam AT binma developmentandverificationofhydroelasticmodelexperimentfortheflowinducedvibrationanalysisofrollercompactedconcretedam AT chaoliang developmentandverificationofhydroelasticmodelexperimentfortheflowinducedvibrationanalysisofrollercompactedconcretedam
_version_	1718402410749100032

Development and verification of hydroelastic model experiment for the flow-induced vibration analysis of roller compacted concrete dam

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