Modal vibration mode diagram based on ANSYS simulation.
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posted on 2024-06-28, 17:29 authored by Jingkuan Li, Yanxia Wei, Hongbin Gao, Xiaomei Song, Zhuofan Jia(a) First-order mode. (b) Second-order mode. (c) Third-order mode. (d) Fourth-order mode.
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stiffness correction coefficientspump rotor systemoptimized mathematical model96 %, 587 %, respectively86 %, 065 %, 556 %, 045 %, 128 %, respectivelyimproved calculation methodcause significant differencesansys simulation model85 %, 996 %, 1211 %, 12dry modal analysisbalancing disc basedstage centrifugal pump13 %, 9mass analytical methodcorrected mass momentnatural frequencies obtained7 %, 385 %,natural frequenciesmodal analysisanalytical methodstage centrifugal91 %,57 %,34 %,obtained usingless significantansys simulationscentrifugal pumpsconcentrated massxlink ">validated usingtwo modelstheoretical calculationsorder modesoptimization methodmode shapesdetermine factorsback blades
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