Page 150 - 《水资源与水工程学报》2025年第1期
P. 150

!36 "!1 #                         & ' ( ) & * + , -                               Vol.36No.1
               2025 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2025

            DOI:10.11705/j.issn.1672-643X.2025.01.16


                             •–?Ø7ÙÚÛ»ÜÝޙß?

                                        ÉÊàáâuK7…†



                                              9:;, 1 <, =>6, ? @
                                           ( ·2L& ¨YT]&Z, jm é¦ 213022)
                 F G: ϕCˆ€êgkŽLãü›m„ˆÅƏ, ʺ„ˆÓÔf8, ùkl“ 3 ”–Ž|}U
                 (TMD) äG, Ö%û TMD(S-TMD)、 /û‘† TMD(M-TMD- Ⅰ) ~/ûJ† TMD(M-TMD- Ⅱ) úêgkŽ
                 Cˆ4òP©»mô„´å。$K“Sa‘êgkŽ.´m§&<Ԗ«, J'•H)’h­V$K“q³ 3 ”
                 ô„äGmêgkŽˆ§&P©ü]; X¬™WÜÝFˆ§©LrztÓÔ,?, Óԓ=û TMDm|}ù、 8
                 êù、 ù, Fa°SêgkŽ„ˆ¾„mÞ¯“¤; X¬ ANSYS ƒûÆ†ÓÔô„äGmêgkޝ°“
                 ˆ§½]4òkl, –Ç“t€Cˆ²U¬GkŽm„ˆ4ò。45äåôõ:3 ”ô„äG!ã³´ªEêgk
                 ŽúCˆU¬Gmˆ§4ò, ×yj M-TMD-I äG, ú_`~Æ»€mô„üX‚°’ÞÓmô„´å。45
                 LtêgkŽm„ˆP©f8‘"VŠÝ{Sa”×á。
                 HIJ: êgkŽ; –Ž|}U; ô„ÓÔ; Cˆ€; ˆ§4ò; „ˆP©
                 KLMNO:TV663;TV312   PQRST:A    PUVO:1672643X(2025)01014608

                 ComparisonofoptimizedTMDinseismicresponsecontrolofarchgates

                                     HUYouyi,WANGJue,JINShuangming,XUNuo
                         (CollegeofMechanicalandElectricalEngineering,HohaiUniversity,Changzhou213022,China)

                 Abstract:Inviewofthepossiblevibrationdamagecausedbyseismicexcitationtoarcgates,wecom
                 paredthevibrationreductioneffectofthreetunedmassdamper (TMD)structuresontheseismicresponse
                 controlofthearcgateinthevibrationoptimizationdesign.TheTMDstructuresaresingleTMD(S-
                 TMD ),multipleseriesTMD(M-TMD- Ⅰ)andmultipleparallelTMD(M-TMD- Ⅱ).Firstly,a
                 simplifiedmechanicalmodelequivalenttotheactualarcgatewasestablished,andthedynamicgoverning
                 equationsforarcgateswiththreekindsofvibrationreductionstructureswereconstructedbasedonD ’
                 Alembert’sprinciple.Tooptimizethedynamicamplificationcoefficient,themassratio,frequencyratio
                 anddampingratioofeachTMDwereoptimizedbygeneticalgorithm,soastoachievethebestmatchwith
                 thevibrationcharacteristicsofthearcgate.Then ,ANSYSwasusedtoanalyzethedynamictimehistory
                 responseofthearcgatesinstalledwiththeoptimizedvibrationdampingstructures,andtosimulatethevi
                 brationresponseofthegatesunderdifferentseismicwaves.TheresultsshowthatthethreeTMDstruc
                 turescaneffectivelyreducethedynamicresponseofthearcgateunderearthquakes ,especiallytheM-
                 TMD-Istructure,whichhasthebestdampingperformanceintermsofdisplacementandacceleration.
                 Thisstudycanprovideatheoreticalbasisandpracticalreferenceforthevibrationcontroldesignofarc
                 gates.
                 Keywords:arcgate;tunedmassdamper(TMD);vibrationreductionoptimization;seismicexcitation;
                 dynamicresponse;vibrationcontrol



                !"#$:20240916; %&#$:20241129
                '()*: !"#$%&'(+,(52178474); jm§#$%&'(+,(BK20221233)
                +,-.: a„x(1998—), =, ·•…†6, D245E, HIJKWXT]‡ˆô‰45。
                ¤¥+,: Ÿ Š(1988—), ®, jm‹Œ6, 12, ABC, 12EFG, HIJKäGˆ§&‹(‰ô‰45。
   145   146   147   148   149   150   151   152   153   154   155