Ukungqinelana komgca umgca: I-elastity yezinto ezikwinkqubo iphantsi komthetho weHoke, kwaye amandla ashiyiweyo aveliswa ngexesha lesindululo alinganayo kwi-quanciation yokuqala (ixesha elihlanganisiweyo lolungelelwaniso ngokubanzi).
umxholo
Inkqubo yendlela idla ngokuyimodeli yentshukumo yentshukumo yenkqubo yokwenyani.Indlela yokuhambahamba kweyona ndlela isebenzisa umgaqo-nkqubo oPhakamileyo, oko kukuthi, ukuba impendulo yenkqubo ye-X1, Emva koko impendulo yenkqubo ephantsi kwesenzo se-X1 kunye ne-X2 y1 + y2.
Kwisiseko soMgaqo-siseko oPhezulu, igalelo elingeyomngxunya linokwahlulwa kwinani lothotho lwezinto ezinqabileyo, kwaye ke impendulo iyonke inokufunyanwa. Ixabiso elipheleleyo lezinto ezinobuhlobo lwe-Attic lingandiswa kwi Uthotho lwezinto ezinobulungisa ngokuguqula amane, kwaye ifuthe lecandelo ngalinye elivisisanayo kwinkqubo inokuphandwa ngokwahlukeneyo Iiparamitha eziqhubekayo zinokuchazwa yimpendulo ye-intewulele okanye impendulo ye-frequency.
Impendulo ye-IntelUlse ibhekisela kwimpendulo yenkqubo kwi-Interpulse, ephawula iimpawu zempendulo ze-Domain.imbalelwano phakathi kwezi zimbini zimiselweyo ngotshintsho lwesine.
ukwahlulahlula
Ukunyikisela komgca kunokwahlulwa ekubeni yintshukumo yenkqubo yenkululeko yenkululeko kunye nokuqhekeka komgca wenkqubo yenkululeko yamaqela amaninzi.
. Ukungqinelana ngokuvisisanayo, ukuntywila okukhululekileyo, ukuvisisaniswa kwe-andution kunye nokuxinana okunyanzelisiweyo.
Intshukumo elula yokuhamba ngokuhambelana: Ukuhlaziywa kwento kwindawo ekufutshane nendawo yokulingana ngokomthetho wesono phantsi kwesenzo sobuchule bokubuyiswa kwayo.
I-vibration ye-vicration: I-Vibiration eyalo i-Ametroling ihlala ivaliwe bubukho boxinzelelo kunye nokungaxhathisi banciphiso okanye olunye usetyenziso lwamandla.
Ukunyanzelwa kokuxinezela: Ukuhlulelana kwenkqubo eqhubekayo.
. Le nkqubo inokumelwa njengendibaniselwano yendlela ephambili.Ngoko, eyona ndlela iphambili yendlela isetyenziswe ngokubanzi ngohlalutyo lwempendulo ye-dof Iinkqubo.in ngale ndlela, umlinganiso kunye nohlalutyo lweempawu zendalo zendalo ziba linyathelo lenkqubo yenkqubo yenkqubo ye-DoF. I-A Umsebenzi we-Ristic Providence phakathi kwegalelo ngalinye kunye nemveliso ye-matrix ye-frequenct eyakhiwe. Ulwalamano oluchanekileyo phakathi kwendlela yokuphinda-phinda kunye neyona ndlela iphambili. I-AMLLLX-PRAQUECY STOREICS yenkqubo yeenkululeko ezininzi yahlukile kule nkqubo yenkululeko enye.
Ukungqinelana komgca wenqanaba lenkqubo yenkululeko
Ukungqinelana komgca apho isikhundla senkqubo sinokumiselwa ngokwesicwangciso esiliqisayo. .
Vibration vibration
Phantsi kwesenzo sokubuyisa amandla ngokulinganayo kwimbonakalo, into ephindaphindiweyo kwindawo yesono kufutshane nendawo yokulingana (i-1) .x imele ixesha. Inkcazo yemathematics yeli ntshukumo yile:
(1)Apho lixabiso eliphezulu lokususwa kwe-x, ebizwa ngokuba yi-amllitux, kwaye imele ubunzulu beentshukumo; I-Omega n yi-Amel Cebility angle, okanye ebizwa ngokuba yi-anglar frequency, le ibizwa ngokuba yinqanaba lokuqala ithatha ukuya kwi-oscillate yomnye umjikelo, kwaye oko kubizwa ngokuba li-A, i-A, i-frequency f (okanye i-ang), iSigaba sokuqala, esaziwa ngokuba sisibini esivisisani.
IKHIWANE. I-1 ijika eliyi-viberal elona tshintsho
Njengoko kubonisiwe kwi-Fig. 2, I-Oscillator elula ye-oscillator yenziwa yi-MAGCE CORD edityanisiweyo ngumthombo wamanzi.
Kuphi na ukuqina kwentwasahlobo.Isisombululo jikelele kwi-equation ngentla yi (1) .a kwaye unokumiselwa sisikhundla sokuqala se-X0 kunye neVelocity yokuqala kwi-T = 0:
Kodwa i-omega n imiselwa kuphela ziimpawu zele nkqubo ngokwayo kunye ne-K, ezimeleyo kwiimeko ezongezelelweyo zokuqala, ke i-Omega n ikwabizwa ngokuba yindlela yendalo.
IKHIWANE. 2 Inqanaba elinye lenkqubo yenkululeko
Kwisiseko se-oscillator elula, amandla e-kinetic kunye namandla anokubakho rhoqo, oko kukuthi, amandla apheleleyo oomatshini wenkqubo alondolozwayo.in inkqubo yokuntywila, amandla e-Kinetic kunye namandla anokubakho ahlala eguqulwa.
Ukupeyinta okuphezulu
Ukuntywila kwe-Amentibe I-ramoding chemud.
(2)Apho, m = c / 2m ibizwa ngokuba yiparameter edayiweyo, kwaye.Isisombululo sefomula yefomula (2) ingabhalwa:
(3)Ulwalamano lwamanani phakathi kwe-Omega n kunye ne-PI banokwahlulwa kula matyala mathathu alandelayo:
N> (kwimeko ye-subping encinci) ivelise ukungqinelaniswa kwee-anthes, i-equbration i:
I-Amplioting incipha ngexesha ngokomthetho obonakalayo oboniswe kwi-equation, njengoko kubonisiwe kumgca onamachaphaza kwi-Fig. 3.Uthethayo, le ntshukumo ingu-Appadiadic, kodwa imvano-mfundo yayo ingachazwa njenge:
Ibizwa ngokuba yi-Amellity Inqanaba lokunciphisa, liphi ixesha lokuntywila. Uvavanyo lovavanyo lovavanyo kwaye, ukusebenzisa le fomula ingentla ibalwe c.
Ngeli xesha, isisombululo se-equation (2) singabhalwa:
Kunye nolwalathiso lwe-velocity yokuqala, inokwahlulwa ibe ngamatyala amathathu angavisisani njengoko kubonisiwe kwi-Fig. 4.
N <
Ukunyanzelwa
Ukuntywila kwenkqubo phantsi koMyisiso oqhubekayo. Uhlalutyo localulo ngokucokisekileyo. Impendulo yenkqubo ukuya kwintshukumo nganye yokuvumelana iyadingeka. Ibhaliwe:
Impendulo sisixa samalungu amabini. Inxalenye enye yimpendulo yentshukumo ebiyelwe, eyabola ngokukhawuleza ngexesha.
IKHIWANE. I-3 ijikajika ijika
IKHIWANE. Iijika ezi-4 zeemeko ezintathu zokuqala ezinamanzi
Chwetheza kwi
H / f0 = h (), ngumyinge wempendulo eqinileyo ukuya kwi-Ampling, ukubonakalisa i-Amel-Freysical-Free Promounction Impendulo yeSigaba seLizwe kunye neSigaba seSigaba seSigaba seSigaba. Izantya zokudibana ziboniswe kwi-Fig. I-5 kunye ne-fig. 6.
Njengoko kunokubonwa kwi-Amplity-curve (Fig. 5), kwimeko yomonakalo omncinci, i-Amplitue-curve inesitayile esincinci. Ibizwa ngokuba yi-Resorquency ye-Resorcorhed yeNkqubo.Imeko yefreyimu encinci, imvano-phindo ephindaphindiweyo ayifani kakhulu kwindalo yendalo.Iyindlela yokudibana kufutshane nefreyini yendalo, i-amllivel inyuka kabukhali. Le phenomeno ibizwa ngokuba yi-resonance.at, ingeniso yenkqubo yandiswa, oko kukuthi, i-vibration yomoya enyanzelisiweyo yeyona nto iphambili. vibration.
IKHIWANE. I-5 ye-amplitive ijika
Inokubonwa kwi-Ricupety curve (umzobo 6), ngaphandle kobukhulu be-dabring, kwi-omega yero ye-Omega zero ye-Omega zero yeSigaba = PI / 2, olu phawu lunokusetyenziswa ngokufanelekileyo kwinqanaba lokulinganisa.
Ukongeza kumfundi oqingqiweyo, iinkqubo ngamanye amaxesha zihlangabezana nocwection.
Isixhobo esinamandla sokuhlalutya ukuntywila ukungazithembi yindlela yokuphendula ye-Interwul.it ichaza iimpawu zenkqubo yenkqubo ye-Tettal ye-System yeNkqubo. Impembelelo ye-Delta inokuthenjwa Umsebenzi uhlala uchazwa njengo:
Apho i-0- imele inqaku kwi-t-axis esondela kwi-zero ukusuka ngasekhohlo;
IKHIWANE. I-6 yenqanaba lokuhamba
IKHIWANE. 7 Nawo nawuphi na umntu unokuthathwa njengenani lothotho lwezinto zempembelelo
Inkqubo ihambelana nempendulo h (t) eveliswe yiyunithi i-dulsel kwi-T = 0, ebizwa ngokuba yiMsebenzi yempendulo ye-Itselse.smumet ukuba le nkqubo ihamba phambi kwepulse, i-T Umsebenzi wokuphendula ngenjongo yenkqubo, sinokufumana impendulo yenkqubo kuyo nayiphi na igalelo X (t) .I Impendulo yenkqubo yile:
Ngokusekwe kumgaqo oPhezulu, impendulo iyonke yenkqubo ehambelana ne-X (t) yile:
Oku kuhlangatyelo kubizwa ngokuba kukungcungcutheka kwento ebalulekileyo okanye indawo ekwahlukileyo.
Ukungqinelana komgca wenkqubo yenkqubo yenkululeko yamaqela amaninzi
Ukungqinelana kwenkqubo yomgca kunye ne-N≥2 yenkululeko.
Umzobo 8 ubonakalisa ezinyenye iindlela ezimbini ezilula zokudibana ezinxulumene nentwasahlobo.
I-frequency nganye ihambelana nendlela yokuhambahamba.I-Oscillators e-Iscionic eqhuba i-oscilting ye-hallfortic efanayo, i-hluloussing edlulayo ifikelela kwi-Omega ihambelana ne-Omega enye ehambelana ne-X2; ngaphakathi Eyona nto iphambili ehambelana ne-Omega Omega ezimbini, i-Omega Omega enye.in eyona nto iphambili Ukuntywila, umlinganiso wesininzi ngasinye ugcina ubudlelwane obuthile kwaye buyimo yemowudi ethile, ebizwa ngokuba yimowudi ephambili okanye indalo. I-Readquency yendalo kunye nemodi ephambili imele iimpawu zendalo zenkqubo yenkqubo yenkqubo yenkululeko.
IKHIWANE. I-8 System ngamanqanaba amakhulu inkululeko
Inkqubo ye-S vastries yenkululeko ineendlela zendalo kunye neemodyuli eziphambili zenkqubo yenkqubo inokumelwa njengendibaniselwano yendlela ephambili. Inkqubo.in ngale ndlela, umlinganiso kunye nohlalutyo lweempawu zendalo zendalo zenkqubo iba linyathelo lenkqubo yenkqubo yenkqubo.
Iimpawu eziguqukayo zeenkqubo ze-dof ezininzi zinokuchazwa ziimpawu ze-frequency. I-Frequency Matrix ye-Matrix yakhiwe i-matrix yenkqubo yeenkululeko ezininzi yahlukile Ukusuka kwiNkqubo yeNkathi enye.
I-Elastomer iyajija
Inqanaba lenkqubo yenkululeko yeNkululeko yeNkululeko yeNkululeko yeNkululeko yeNkululeko ye-Elastomer.an Elastomer inenani elingenasidima senkululeko. Inani elingenasiphelo lweendlela ezihambelanayo, kwaye kukho i-orthogonary ephakathi kweendlela zobunzima kunye ne-stiffness.any i-vifurical I-Elastomer ikwazi ukumelwa njengokongamela kweendlela eziphambili.Ngoko ke, ukuba i-Elastoment ye-Elastomer, indlela eyinxalenye yemodi ephambili isasebenza.
Thatha i-vibration yomtya.let thetha ukuba umtya omncinci we-M kwiyunithi nganye, ixesha elide l, unikelwe kwiziphelo zombini, kunye nengxwabangxwaba yeli xesha, umtya wendalo umiselwe ngokulandelayo I-Equation:
F = na / 2l (n = 1,2,3 ...).
Iphi, yindawo yokusasaza yesanga eliguqukayo kwicala lomtya .Izantya zendalo zenzeke ukuba ziphindiswe ngaphezulu kwe-2l. Inani elipheleleyo le-2 likhokelela kwisimo esimnandi esimnandi. Inani elipheleleyo lokunxibelelana phakathi kwendlela yendalo ye-Elastomer.
Iindlela ezintathu zokuqala zomtya obonisiweyo zibonisiwe kwi-Fig. 9. Kukho iindawo ezithile kwi-curve ephambili.in olona tshintsho luphambili, iindawo ezingafunekiyo.Fig. I-10 ibonisa iindlela eziqhelekileyo zeplate ebekiweyo ezixhaswayo ziyinxalenye yesetyhula enemigca eminye ye-nodal enesangqa kunye needayimitha.
Ukuqunjelwa kwengxaki yokuhamba kwe-Elastomer kunokugqitywa njengengxaki yexabiso lomda wengqiqweni. Ingxaki ye-ndubuso.Umxholo wezisombululo ezahlukeneyo zezisombululo kukutshintsha okungenasiphelo ukuya kwi-Fite, oko kukuthi, ukuthuka isidanga se-Ligh-Sike inkqubo yenkululeko yenkululeko (eqhubekayo Inkqubo) kwinqanaba leNqanaba leNqanaba leNqanaba (inkqubo yeGrite).
IKHIWANE. Imowudi ye-9 yomtya
IKHIWANE. I-10 Imo yeplate yeSetyhula
Indlela ye-fite ye-Fitement sisimo esibubume bezinto ezinobunzima kwinani lezinto kwaye liqokelele kwinani le-nodestomer. Ukuhanjiswa kwendawo yokuhambisa kubonakaliswa ngokusebenza kwe-node. Iiparamitha zokuhambisa inqaku lezinto nganye zigxilwe kwindawo nganye kwifomathi ethile, kwaye imodeli yoomatshini yenkqubo ye-ogrete ifunyenwe.
Imodynthesis Synthesis kukungalunganga kwesakhiwo esinzima kwizinto ezininzi ezilula.Ngenzelwa ukuqonda iimpawu zentshukumo nganye, kunye nemorphology ye-jikelele Ulwakhiwo lufumaneka ngokusebenzisa i-morphology ye-morphoction yendawo nganye.
Ezi ndlela zimbini zahlukile kwaye zinxulumene, kwaye zinokusetyenziswa njengendlela yokurenta.
IXESHA LOKUQALA: APR-03-2020
