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Dinamika-predavanja004-slobodne-prigusene-vibracije

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Gušenje gibanja<br />

4.2 Logaritamski dekrement prigušenja<br />

- uzastopne amplitude<br />

x<br />

δ =<br />

ln<br />

x<br />

i<br />

i+<br />

1<br />

- bilo koje dvije amplitude<br />

δ =<br />

1<br />

j<br />

ln<br />

x<br />

x<br />

i<br />

i+<br />

j<br />

≈ 2πζ

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