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- W2945941735 abstract "To determine the relationship between dynamic instability phenomenon of liquid storage tanks and excitation parameters,from fluid-solid coupling equations with displacement-pressure form,the dynamic stability equations were established for liquid storage tanks under harmonic ground acceleration,in which the fluid-solid coupling effect was considered with added mass matrix and the shell stress change was considered with period-varying geometric stiffening matrix.After order reduction by modal truncation method,above equations were then solved based on Floquet theory to recursively search for the dynamic instability boundary described by the excitation parameters.The Chiba test models were analyzed by the proposed Floquet method,and the analysis results were reexamined based on B-R criterion.The results show that,the dynamic instability boundaries obtained by the Floquet method were consistent with Chiba test results,and agreed well with the estimates of B-R method.Floquet method can obviously improve the computational efficiency of dynamic instability boundary and eliminates the influence of half-wave assumption of shell vibration modes." @default.
- W2945941735 created "2019-05-29" @default.
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- W2945941735 date "2013-02-01" @default.
- W2945941735 modified "2023-09-24" @default.
- W2945941735 title "Dynamic stability analysis of liquid storage tanks based on Floquet theory" @default.
- W2945941735 doi "https://doi.org/10.3785/j.issn.1008-973x.2013.02.028" @default.
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