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Finite element analysis of compressor pipeline vibration based on modal superposition method
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Finite element analysis of compressor pipeline vibration based on modal superposition method
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Journal Article
Finite element analysis of compressor pipeline vibration based on modal superposition method
2025
Overview
With the wide use of compressors in various fields, the vibration problem of pipeline systems caused by airflow pulsation also occurs frequently. Through the analysis of the vibration causes of the reciprocating compressor pipeline system, it can be seen that the structural resonance caused by the airflow pulsation is the main cause of the pipeline vibration. Based on the actual pipeline and equipment data of the gas storage gathering station, this paper uses the modal superposition method combined with Abaqus finite element simulation to study the pipeline vibration characteristics caused by airflow pulsation, establishes a full-scale pipeline-equipment finite element model, and simulates the pipeline vibration process under each mode. Through the modal analysis, harmonic response analysis, and stress safety assessment of the pipeline, it is calculated that the natural frequency of each order is much larger than the resonance area of the excitation frequency of the compressor pipeline. The deviation between the calculated results and the measured data is within 10%. The research results provide a theoretical basis for the constrained optimization design of the compressor pipeline.
Publisher
IOP Publishing
