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PRIMENA METODE KRUTIH TELA ZA DISRETIZACIJU NOSEĆIH STRUKTURA PRI DINAMIČKOJ ANALIZI NA PRIMERU KONZOLNE DIZALICE

Authors: Pavlovic, Goran; Savković, Mile; Gašić, Milomir; Bulatovic, Radovan;

PRIMENA METODE KRUTIH TELA ZA DISRETIZACIJU NOSEĆIH STRUKTURA PRI DINAMIČKOJ ANALIZI NA PRIMERU KONZOLNE DIZALICE

Abstract

U radu je prikazan postupak dinamičke analize konzolne dizalice korišćenjem metode krutog tela pri čemu je izvršena diskretizacija strukture konzolne dizalice sa tri elementa. Rezultati dobijeni metodom krutih tela poređeni su sa rezultatima dobijenim primenom metode konačnog elementa i klasičnog metoda oscilovanja nosača. Određeni su frekventni spektar i modovi oscilovanja dizalice za sve metode. Pokazano je da se jednostavnim postupkom diskretizacije sa minimalnim brojem elemenata može doći do rezultata koji su značajni za projektante. Sve tri metode su dale približne vrednosti prve tri ugaone učestanosti, koje su od značaja u procesu projektovanja nosećih konstrukcija.

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Keywords

dinamički odziv, pokretni oscilator, metod krutog tela, pokretna masa, direktna integracija, pokretni oscilator, modovi oscilovanja, Portalna dizalica, Diskretizacija, pokretna masa, konzolna dizalica, klatno, dinamički odziv, Portalna dizalica, pokretno opterećenje, frekventni spektar, MKE, pokretno opterećenje, direktna integracija

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
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