Analysis of Vibration Characteristics of Cross-Type Hydraulic Pipeline Based on Finite Element Method
Source abstract
Abstract
Branched hydraulic lines are prone to leakage and break under complex working conditions. The coupling vibration problem caused by the fluid pressure beat and external mechanical excitation of the pump at the junction of the branch of the cross-type hydraulic pipeline is very common. So a method combining finite element simulation and fluid-structure interaction vibration experiments is proposed for research. First, the possibility of the finite element method in solving the pipeline vibration problem is verified, and then the modal analysis and harmonious response analysis of the cross-type pipe are carried out to discuss the influence of fluid pressure and solid elastic modulus on pipeline vibration. The results show that as the fluid pressure and pipeline elastic modulus change, different modes of different orders will be affected. Under external excitation, only a portion of the order is sensitive to external excitation.
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Research context
OpenAlex topics: Hydraulic and Pneumatic Systems · Vibration and Dynamic Analysis · Geotechnical Engineering and Underground Structures
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Aeronautics, Civil Aviation University of China, Tianjin 300300, China
School of Transportation Science and Engineering, Civil Aviation University of China, Tianjin 300300, China
Funding
Fundamental Research Funds for Central Universities at the Civil Aviation University of China
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