MATEMAATLINE ANALRRS II 1. KORDSED INTEGRAALID ...
MATEMAATLINE ANALRRS II 1. KORDSED INTEGRAALID ...
MATEMAATLINE ANALRRS II 1. KORDSED INTEGRAALID ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Siis tuleb arvutada silindri inertsmoment x-telje suhtes<br />
ZZZ<br />
Ix = Ixy + Ixz = (y2 + z2 ) 0dxdydz:<br />
Minne üle silinderkoordinaatidele<br />
R n saame<br />
2 R h<br />
R R h<br />
Ix = 0 0 0<br />
n<br />
2h2 R = 0 3<br />
2 2hR4 + sin 2 4 2 o<br />
'<br />
R 2<br />
0<br />
= 0( 2h2R2 2hR4 2 + 6 4<br />
V<br />
h z2 + 2 sin 2 ' dz<br />
R 2<br />
0<br />
i<br />
d<br />
d' = 0( 2h2R2 2hR4 2 + 6 4<br />
1 cos 2'<br />
d') = 2 0[ 2h2R2 6<br />
= 0( 2h2R2 2hR4<br />
2 2h2 R2<br />
2 + ) = 6 4 0 hR + 3 2<br />
40<br />
n R R<br />
0<br />
o R 2<br />
d' = 0 0<br />
R 2<br />
sin 0 2 'd') =<br />
2 + 2hR4<br />
4<br />
:<br />
'<br />
sin 2'<br />
2<br />
2<br />
h<br />
2h2 3 + 2h 2 sin2 i<br />
'<br />
2<br />
0<br />
] =<br />
d