Experimental investigation of post-flutter properties of a suspension bridge with a

Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increa...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Zhang, Zhitian [verfasserIn] Wang, Zhixiong [verfasserIn] Zeng, Jiadong [verfasserIn] Zhu, Ledong [verfasserIn] Ge, Yaojun [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity

Übergeordnetes Werk:	Enthalten in: Journal of fluids and structures - Orlando, Fla. : Elsevier, 1993, 112
Übergeordnetes Werk:	volume:112

DOI / URN:	10.1016/j.jfluidstructs.2022.103592

Katalog-ID:	ELV008083010

Internformat


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520			\|a Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models.
650		4	\|a Suspension bridge
650		4	\|a Aeroelastic model
650		4	\|a Sectional model
650		4	\|a Post-flutter
650		4	\|a LCO
650		4	\|a Nonlinearity
700	1		\|a Wang, Zhixiong \|e verfasserin \|0 (orcid)0000-0001-8815-5653 \|4 aut
700	1		\|a Zeng, Jiadong \|e verfasserin \|4 aut
700	1		\|a Zhu, Ledong \|e verfasserin \|4 aut
700	1		\|a Ge, Yaojun \|e verfasserin \|4 aut
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936	b	k	\|a 50.33 \|j Technische Strömungsmechanik
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matchkey_str	article:10958622:2022----::xeietlnetgtoopsfutrrprisfss
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publishDate	2022
allfields	10.1016/j.jfluidstructs.2022.103592 doi (DE-627)ELV008083010 (ELSEVIER)S0889-9746(22)00054-8 DE-627 ger DE-627 rda eng 530 DE-600 50.33 bkl Zhang, Zhitian verfasserin aut Experimental investigation of post-flutter properties of a suspension bridge with a 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models. Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity Wang, Zhixiong verfasserin (orcid)0000-0001-8815-5653 aut Zeng, Jiadong verfasserin aut Zhu, Ledong verfasserin aut Ge, Yaojun verfasserin aut Enthalten in Journal of fluids and structures Orlando, Fla. : Elsevier, 1993 112 Online-Ressource (DE-627)26732667X (DE-600)1469614-9 (DE-576)253763266 1095-8622 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.33 Technische Strömungsmechanik AR 112
spelling	10.1016/j.jfluidstructs.2022.103592 doi (DE-627)ELV008083010 (ELSEVIER)S0889-9746(22)00054-8 DE-627 ger DE-627 rda eng 530 DE-600 50.33 bkl Zhang, Zhitian verfasserin aut Experimental investigation of post-flutter properties of a suspension bridge with a 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models. Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity Wang, Zhixiong verfasserin (orcid)0000-0001-8815-5653 aut Zeng, Jiadong verfasserin aut Zhu, Ledong verfasserin aut Ge, Yaojun verfasserin aut Enthalten in Journal of fluids and structures Orlando, Fla. : Elsevier, 1993 112 Online-Ressource (DE-627)26732667X (DE-600)1469614-9 (DE-576)253763266 1095-8622 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.33 Technische Strömungsmechanik AR 112
allfields_unstemmed	10.1016/j.jfluidstructs.2022.103592 doi (DE-627)ELV008083010 (ELSEVIER)S0889-9746(22)00054-8 DE-627 ger DE-627 rda eng 530 DE-600 50.33 bkl Zhang, Zhitian verfasserin aut Experimental investigation of post-flutter properties of a suspension bridge with a 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models. Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity Wang, Zhixiong verfasserin (orcid)0000-0001-8815-5653 aut Zeng, Jiadong verfasserin aut Zhu, Ledong verfasserin aut Ge, Yaojun verfasserin aut Enthalten in Journal of fluids and structures Orlando, Fla. : Elsevier, 1993 112 Online-Ressource (DE-627)26732667X (DE-600)1469614-9 (DE-576)253763266 1095-8622 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.33 Technische Strömungsmechanik AR 112
allfieldsGer	10.1016/j.jfluidstructs.2022.103592 doi (DE-627)ELV008083010 (ELSEVIER)S0889-9746(22)00054-8 DE-627 ger DE-627 rda eng 530 DE-600 50.33 bkl Zhang, Zhitian verfasserin aut Experimental investigation of post-flutter properties of a suspension bridge with a 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models. Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity Wang, Zhixiong verfasserin (orcid)0000-0001-8815-5653 aut Zeng, Jiadong verfasserin aut Zhu, Ledong verfasserin aut Ge, Yaojun verfasserin aut Enthalten in Journal of fluids and structures Orlando, Fla. : Elsevier, 1993 112 Online-Ressource (DE-627)26732667X (DE-600)1469614-9 (DE-576)253763266 1095-8622 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.33 Technische Strömungsmechanik AR 112
allfieldsSound	10.1016/j.jfluidstructs.2022.103592 doi (DE-627)ELV008083010 (ELSEVIER)S0889-9746(22)00054-8 DE-627 ger DE-627 rda eng 530 DE-600 50.33 bkl Zhang, Zhitian verfasserin aut Experimental investigation of post-flutter properties of a suspension bridge with a 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models. Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity Wang, Zhixiong verfasserin (orcid)0000-0001-8815-5653 aut Zeng, Jiadong verfasserin aut Zhu, Ledong verfasserin aut Ge, Yaojun verfasserin aut Enthalten in Journal of fluids and structures Orlando, Fla. : Elsevier, 1993 112 Online-Ressource (DE-627)26732667X (DE-600)1469614-9 (DE-576)253763266 1095-8622 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.33 Technische Strömungsmechanik AR 112
language	English
source	Enthalten in Journal of fluids and structures 112 volume:112
sourceStr	Enthalten in Journal of fluids and structures 112 volume:112
format_phy_str_mv	Article
bklname	Technische Strömungsmechanik
institution	findex.gbv.de
topic_facet	Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity
dewey-raw	530
isfreeaccess_bool	false
container_title	Journal of fluids and structures
authorswithroles_txt_mv	Zhang, Zhitian @@aut@@ Wang, Zhixiong @@aut@@ Zeng, Jiadong @@aut@@ Zhu, Ledong @@aut@@ Ge, Yaojun @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	26732667X
dewey-sort	3530
id	ELV008083010
language_de	englisch
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author	Zhang, Zhitian
spellingShingle	Zhang, Zhitian ddc 530 bkl 50.33 misc Suspension bridge misc Aeroelastic model misc Sectional model misc Post-flutter misc LCO misc Nonlinearity Experimental investigation of post-flutter properties of a suspension bridge with a
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topic_title	530 DE-600 50.33 bkl Experimental investigation of post-flutter properties of a suspension bridge with a Suspension bridge Aeroelastic model Sectional model Post-flutter LCO Nonlinearity
topic	ddc 530 bkl 50.33 misc Suspension bridge misc Aeroelastic model misc Sectional model misc Post-flutter misc LCO misc Nonlinearity
topic_unstemmed	ddc 530 bkl 50.33 misc Suspension bridge misc Aeroelastic model misc Sectional model misc Post-flutter misc LCO misc Nonlinearity
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title	Experimental investigation of post-flutter properties of a suspension bridge with a
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title_full	Experimental investigation of post-flutter properties of a suspension bridge with a
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title_sort	experimental investigation of post-flutter properties of a suspension bridge with a
title_auth	Experimental investigation of post-flutter properties of a suspension bridge with a
abstract	Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models.
abstractGer	Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models.
abstract_unstemmed	Paralleled experimental tests of a full-bridge model and a sectional model are conducted to investigate nonlinear post-flutter properties of a suspension bridge, including structural damping, motion amplitudes, phase angle, motion frequency and coupling effects. Structural damping is found to increase nonlinearly and remarkably as the motion amplitude increases. Modal shapes are found to evolve as the motion amplitudes increase. Nonlinear structural damping properties differ significantly between the two models. Flutter instability of both models end up with limit cycle oscillations (LCOs), which increase progressively with the oncoming wind speed. LCO amplitudes of the sectional model are significantly smaller than those of the aeroelastic model. LCOs of the full-bridge model are coupled motions among 3 major structural modes, one torsional (symmetric) and two vertical (symmetric and asymmetric). Comparisons between the two models indicate that the underlying mechanism is single DOF torsional flutter. Phase angles between the vertical and torsional motions are found to be non-zero and differ significantly between the two models. Further, the amount of time evolving from a flutter onset to a LCO state decreases obviously as the wind speed increases, and the evolution time differs obviously between the aeroelastic and section models.
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title_short	Experimental investigation of post-flutter properties of a suspension bridge with a
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author2	Wang, Zhixiong Zeng, Jiadong Zhu, Ledong Ge, Yaojun
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up_date	2024-07-06T18:28:51.555Z
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Experimental investigation of post-flutter properties of a suspension bridge with a

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