Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yekai Sun"'
Publikováno v:
Plant Stress, Vol 10, Iss , Pp 100191- (2023)
As a highly active signaling molecule, nitric oxide (NO) is a key factor in regulating plant growth and development. Nitric oxide can promote the formation of symbionts between plant roots, rhizobia and AMF, which improves plant access to nitrogen an
Externí odkaz:
https://doaj.org/article/db220220e28e4bddb4706ec0084a9c83
The present survey reviews the definitions of the nonlinear modes and the numerical methods to solve a nonlinear dynamic problem. The progress in application of the damped nonlinear normal modes for structures with frictional damping is reviewed. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::60a3c3088f0fd8431eaadd9fc400846e
https://strathprints.strath.ac.uk/81610/1/Yekai_etal_JAP_2022_Review_of_damped_nonlinear_normal_mode_in_analysis_of_friction_dampers_of_blades.pdf
https://strathprints.strath.ac.uk/81610/1/Yekai_etal_JAP_2022_Review_of_damped_nonlinear_normal_mode_in_analysis_of_friction_dampers_of_blades.pdf
Publikováno v:
Structural and Multidisciplinary Optimization
Structural and Multidisciplinary Optimization, 2022, 65 (3), pp.98. ⟨10.1007/s00158-021-03093-w⟩
Structural and Multidisciplinary Optimization, 2022, 65 (3), pp.98. ⟨10.1007/s00158-021-03093-w⟩
Integrally bladed disks (blisk) have been widely used in the turbo-machinery industry due to its high aerodynamic performance and structural efficiency. A friction ring damper (FRD) is usually integrated in the system to improve its low damping. Howe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f44c36bcce0d57f7dabf88e632d5c163
http://hdl.handle.net/10044/1/95981
http://hdl.handle.net/10044/1/95981
Publikováno v:
Tribomechadynamics 2021
University of Strathclyde
University of Strathclyde
The nonlinear modes of a non-conservative nonlinear system are sometimes referred to as damped Nonlinear Normal Modes~(dNNMs). Because of the non-conservative characteristics, the dNNMs are no longer periodic. To compute non-periodic dNNMs using clas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2e89f39258c3e79608a702e18bf5c9f7
https://strathprints.strath.ac.uk/79621/1/Sun_etal_TMD2021_different_methodologies_for_the_computation_of_damped_nonlinear_normal_modes.pdf
https://strathprints.strath.ac.uk/79621/1/Sun_etal_TMD2021_different_methodologies_for_the_computation_of_damped_nonlinear_normal_modes.pdf
Publikováno v:
Sun, Y, Yuan, J, Vizzaccaro, A & Salles, L 2021, ' Comparison of different methodologies for the computation of damped nonlinear normal modes and resonance prediction of systems with non-conservative nonlinearities ', Nonlinear Dynamics, vol. 104, no. 4, pp. 3077-3107 . https://doi.org/10.1007/s11071-021-06567-0
The nonlinear modes of a non-conservative nonlinear system are sometimes referred to as damped nonlinear normal modes (dNNMs). Because of the non-conservative characteristics, the dNNMs are no longer periodic. To compute non-periodic dNNMs using clas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f185793240b048e468ce2566d1e95f57
https://strathprints.strath.ac.uk/76491/7/Sun_etal_nd2021_methodologies_computation_damped_nonlinear_normal_modes_resonance_prediction_of_systems_non_conservative_nonlinearities.pdf
https://strathprints.strath.ac.uk/76491/7/Sun_etal_nd2021_methodologies_computation_damped_nonlinear_normal_modes_resonance_prediction_of_systems_non_conservative_nonlinearities.pdf
A numerical methodology is described to study the influence of the contact location and contact condition of friction damper in aircraft engines. A simplified beam model is used to represent the blade for the preliminary design stage. The frictional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35a139cbe8cc4ca645e3ecaf7420ad5d
https://strathprints.strath.ac.uk/74847/1/Sun_etal_JVA_2020_Parametric_study_and_uncertainty_quantification_of_the_nonlinear_modal_properties.pdf
https://strathprints.strath.ac.uk/74847/1/Sun_etal_JVA_2020_Parametric_study_and_uncertainty_quantification_of_the_nonlinear_modal_properties.pdf
Publikováno v:
Journal of Engineering for Gas Turbines and Power
Journal of Engineering for Gas Turbines and Power, American Society of Mechanical Engineers, 2021, 143 (3), pp.1-8. ⟨10.1115/1.4049761⟩
Journal of Engineering for Gas Turbines and Power, American Society of Mechanical Engineers, 2021, 143 (3), pp.1-8. ⟨10.1115/1.4049761⟩
The use of integrally blisk is becoming popular because of the advantages in aerodynamic efficiency and mass reduction. However, in an integrally blisk, the lack of the contact interface leads to a low structural damping compared to an assembled blad
Publikováno v:
Nonlinear Structures & Systems, Volume 1 ISBN: 9783030476250
Friction in assembled structures is of great interest due to its ability to reduce the vibration amplitude of critical components. The nonlinear behaviour of a structure depends on a variety of physical parameters. Among these parameters, the contact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::782404840bc05b452ae65ddc55a28538
https://doi.org/10.1007/978-3-030-47626-7_33
https://doi.org/10.1007/978-3-030-47626-7_33
The dynamic analysis of systems with nonlinearities has become an important topic in many engineering fields. Apart from the forced response analyses, nonlinear modal analysis has been successfully extended to such non-conservative systems thanks to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7eb3c4d0e9a9cc77cddc80c214b0d1f0
https://eprints.soton.ac.uk/478901/
https://eprints.soton.ac.uk/478901/
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1081:012041
The integrally bladed disks, also known as blisks, have been widely used in industrial turbomachinery because of their benefits in aerodynamic performance and mass reduction. Friction damping is considered as the major damping sources in turbomachine