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98<br />

c.<br />

d.<br />

1, 1<br />

d.<br />

1, 1<br />

δ1 j<br />

δ41<br />

δ31<br />

δ21<br />

δ11<br />

δ1k δ21<br />

δ11<br />

1, 1<br />

δ42<br />

δ32<br />

δ22<br />

δ12<br />

1, 1<br />

Sisteme vibrante cu nGLD. Vibraţii libere.<br />

Metoda matricei de flexibilitate<br />

δ43<br />

δ33<br />

δ23<br />

δ13<br />

Fig. 4.4. Situaţii de încărcare pentru calculul matricelor<br />

de flexibilitate ale sistemelor din fig.4.2.c.,d.şi e<br />

1, 1<br />

1, 1<br />

δ22<br />

δ12<br />

1 2 k j n<br />

1<br />

δ2 j<br />

δ2k δkk<br />

δ jj<br />

δ jk<br />

δnj<br />

δ44<br />

δ34<br />

δ24<br />

δ14<br />

δnk<br />

2 k j n<br />

δkj<br />

1,<br />

1<br />

1, 1

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