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«»
. 3.
-
:. . ,
. .
-
2007
2
- 28 2007 ., 6
-
. 2- 3- .
: 010200 (010501) –
3
4 §1. . 5 §2. 7 §3. .
12 §4. 15 §5. 18 §6. 20 §7. 23 §8. 24 §9. 27 §10. 29 §11. 35 §12. [2] 48 §13. 49
53
4
- 010501 (010200) « »,
, . .03.1 «».
2 2 . ,
, 68 (72 / ).-
– . –
.
.
.
5
§1. .
:
Fwm .
m – ;w – ;F – .
,, .
,.
/ ,.
I. xOyz .,
,
,
r xi yj zk
v xi y j zk
w xi yj zke
tzztyytxx
.
kFjFiFF zyx zyx FFF ,, – OzOyOx ,, .
,,
.II. zr ,, .
)()()(
tzzttrr
.
,o o o o odr d dzo
v r r z r r r z zdt dt dt
( , , , , , , ),( , , , , , , ), (1)
( , , , , , , ).
x
y
z
mx F t x y z x y zmy F t x y z x y zmz F t x y z x y z
6
oooz
dtzd
dtd
dtdr
dtdrr
dtdr
dtrdw 2
2
2
22
2
2
2 .
zr FFF ,, – ooo
zr ,,.
F – , , .22
2
2
2
2
2
, , , , , , ,
2 , , , , , , ,
, , , , , , .
r
z
d r d dr d dzm r F t r zdt dt dt dt dt
d dr d dr d dzm r F t r zdt dt dt dt dt dt
d z dr d dzm F t r zdt dt dt dt
(2)
III. bn,, .)(tSS – .
dtdSv ,
bnvdt
Sdw 02
2
2
.
bn FFF ,, – .
2
2 , , ,
1 , , ,
0 , , .
n
b
d S dSm F t Sdt dtdS dSm F t Sdt dt
dSF t Sdt
.
7
§2.
zJ N
zN
kkkz rmJ
1
2.
.
kr – - z .0zJ . 2J z
, 2zJ .
( )
)(
2
)(
2
)(
2 ),,(VVM
z dvrVM
VMconstdvrzyxdmrJ ,
M – ,V – ,dv – ,
VM
– .
( ):2
1MdJJ
czz .
M – ,cz – , ,
1z – cz ,d – .
R z – ,: 2MRJ z .
N () ,
:N
NNC mmm
rmrmrmr
21
2211 .
8
1. M .z ,
.3 3 3 2
2 2 2 ,0( ) ( ) 3 3 3 30
x M MJ r dv r dv x dxz V V
. .Mconst – (
). xr ; dxdv )(V .
,.
1238382
2
3
23332
2
2 MMMdxxJCz
/ :
124323
222222 MMMMMMdJJ
AC zz .
33
22 RR .
3212
22 RR .
, D.
4813
483
4816
43
22222 MMMMMJ z .
9
2. baM . .
dxdydSdm .
abM
SMconst –
.yr – x .
dxdydSdv – .
SV – ~ .a b a b
SSVMx dxdyy
abMdydxy
abMdSydSydvrdmrJ
0 0 0 0
22
)(
2
)(
2
)(
2
)(
2
dxbabMdx
by
abM a a
0 0
33
30
3 330
33
222
0
3 Mbaa
Mba
xbaMdxb
abM a
–
Ox ,.
3
2MaJ y .
oJ – O ( , ).
2 2 2
( ) 0 0
( )a b
oV
J r dv x y dydx
)(3
)( 22
0 0
22 baMJJdydxyxabM
yx
a b
,
r – dv .
cyx JJJ ,,11
,
C .
10
3. R M .zJ –
Cz ,
dl dmi.Ri=R,
n
iiincz dmRJJ
1
2lim MRdmRn
iin
2
1
2 lim .
( z ).M
R . ( / ) R M .
zJ – Cz
.
r dr rdrdS 2 ,
rdrdm 2 , 2RM
–
.
, MRJ z2 ,
drrdmrdJ c32 2 ,
222
24
0
3 MRRdrrJJR
zc .
rdrddxdydS , ,,
.2 2
2( ) ( )
2 22 3
2 20 0 0 0
23
20
2 .2
zV S
R R
R
MJ r dv r dsR
M Mr rd dr r d drR R
M MRr drR
11
4.zyx ,, r ,
a , . M –-.
)2()1(xxx JJJ ,
)1(xJ –
,)2(
xJ – .
ZY JJ , .
2
2)1()1( rMJ x , 6
2)2()2( aMJ x .
)2()1( , MM M :
2(1) (2) (1) (1)
2
2(1)
2(1 ),
aM M M M Mr
aMr
Mar
rM 22
2)1(
,
Mar
ar
aMM 22
2
2
2)1()2(
,
MararJ x )(6
322
44
.
:
yx JJ ,R
M ..
yx JJ , ab M ,
11, yx JJ . –
.
12
MR . z
. 23,0 MRJ z .
M R z.
24,0 MRJ z .
§3. .
1. = 98 ,
, . ,, 1
, 14,4 .: . –
.0 .
: – ,, F =cd,
. : 0FP0cdP , d= / – , –
.
13
:
0 00 : , 0Pt x x x xc ,
cDF , F – ,(
); D – ,
. . xdMMDx 0 ., )( xdcFx . (1)
:
xFPxm , (2) (1), (2):
cxcdPxgP
. (3)
(3) 02 xkx , (4)
Pcgk – ( ).
(4) 022 k .ki2,1 .
(4) )sin()cos( 21 ktcktcx . (5)
,)cos()sin( 21 ktkcktkcx . (6)
(5) (6) 0 00 , 0Pt x x x xc .
0, 201 ccPx .
)cos()cos( tPcg
cPkt
cPx .
cP
Pcgk 8,6,12 1 .
a = 6,8 c ; = – /2;
k = 12 -1.
14
kT 52.02
.
2. .
S. ,
, v0.. = 1 T/ 3.
.;
– .
d.: –
, R –
,.
R V , ,
. . dSVR , ,
0dSP . (7)
0,0:0 vxxt . (8) - v0
. , ,)( xdS . , R
)( xdSRx . (9)
xx RPxm .
= , (1) (3), SxxgP
.
:02 xkx , (10)
kP
Sg – .
15
(4) )sin(ktax , (11)
2
202
0 kx
xa – ,0
0
xkx
arctg – .
(2), :
gSPv
kv
a 00
, 0 . (12)
(6),(7) (5),
tP
gSgSPvx sin0 . (13)
gsP
kT 22
.
§4.
1. = 98 H, ,. =10 / .
:R= , =1,6 / . ,
4 0=4 / .
.
,.
:0
0
0, 4 ,4 / .
t x xx x c
,
D = d + x. ,
,)( xdcFx . (1)
:xx RFPxm .
Fx Rx:
16
xcxcdPxgP
. (2)
: – , ,
F =cd, . ,0cdP . (3)
(2) 02 2 xkxnx , (4)
Pgn
Pcgkxx 2
,, , k = 10 c-1, n = 8 -1,
, n < k. (4):
.,02 22222,1
22 nkinknnkn,
))sin()cos(( 222
221 tnkctnkcex nt . (5)
,
22
00201 ,
nk
nxxcxc .
,
cos,sin22
000 A
nk
nxxAx . (6)
)sin( 22 tnkAex nt . (7) ( . . t x 0)
22 nkkc . ,=7,2 , =0,59 , kc=6 -1.
,tex t )59,06sin(2,7 8 . (8)
kT
cc 05,12
.
2. , R= , =5,2 H / .
4 ,0=240 / .
. ,.
17
0
0
40 .
240 /x x
tx x
,
02 kxxnx , .2
,,Pgn
Pcgkxx
, k=10 c-1, n=26 -1,, n>k ( ).
,02 22 kn., 22
222
1 nknknnn > k, 1 2
.tt ecex 21
21 . (9) , :
21
0012
21
0021 ,
xxc
xxc .
(1) :tt exxexxx 12 )()(1
00200121
. (10)
1 2, (2)
tknchknxknshnxxkn
exnt
22220
220022)( . (11)
, . . t x 0.
(3) ,
)529(61 242426 ttt eeex
)24172412(31 26 tshtchex t
,:
0)529(61 242426 ttt eee . , t1=0,037 , t2= .
18
t1, t2 . ,
.
§5.
1.
.=196
,
. ,
D,
.
S = H·sin(pt), = 1,6 , = 60 -1.
= 2 / .
,.
:1)
;2)
,
R= , =25,6 / .
. ,, .
: 0,00 xxt ..
D = . : – , N – , S,
F.
:
xx FSxm xPcgpt
PHgx sin ,
,sin2 ptkxkx (1)
Phgh
Pcgk , . k=100 -1, h=8000 / -2.
(1),
19
)sin()cos( 211 ktcktcx . (2) (1)
)cos()sin(2 ptBptAx ,
)sin(222 ptpk
hx . (3)
(1), (2) (3):
)sin()sin()cos( 2221 ptpk
hktcktcx . (4)
,:
2221 ,0pk
hkpcc .
,
)sin()sin( 2222 ptpk
hktpk
hkpx . (5)
,cttx ))60sin(25,1)100sin(75,0( . (6)
. ,,
R, , .
xxx RFSxm xPgx
Pcgpt
PHgx sin ,
,sin2 2 ptkxkxnx (7)
Phgh
Pgn
Pcgk ,
2, . k = 100 -1, h = 80 -2,
n = 64 -1, = 60 -1. , n < k p < k.
8,04)(
8,7622222
22
pnpkhank 87,02
22 pknparctg .
, )sin(2 ptax ,
).87,060sin(8,0)8,76sin8,76cos( 2164 ttctcex t (8)
,: 1 = 0,62; 2 = 0,12. (9):
).87,060sin(8,0)8,76sin12,08,76cos62,0(64 tttex t (9) : 0,62=bsin ; 0,12=bcos , b=0,63, =1,74.
, :.)87,060sin(8,0)74,18,76sin(63,0 64 ttex t (10)
20
, e-64t.
.§6.
1.
=196 , F
S. : Fx = –cx,
Sx = H·sin(pt), = 2 / , = 1,6 , = 101 -1.
.
.
.xx SFxm ptHcxxm sin
pthxkx sin2 , (1) 2 1 1 210000 , 101 , 8000 / .c Hk p h
m m .
( p=k)
(p>k).,
ptpk
hktpk
hkpx sinsin 2222 . (2)
,,
k .. . k p,
.22,1 pkkpkp
(3)
(3), (2),
)sin(sin))((
ktptpkpk
hx .
(3), :
)sin(sin)(2
ktptpkk
hx . (4)
,pttax cos)( , (5)
21
tkppkk
hta2
sin)(
)( . k p a(t)
kpTa
4. (6)
(5), ,
pT 2
. (7)
k p, >> T, kpp
TTa 2
.
,
( ) cos(101 ), ( ) 80sin 12,56 , 0,063 .2tx a t t a t
2.
,
.,
D ,
),3cos()cos( 310 ptHptHHS, 0, 1, 3 –
.
.
, –
. D .
.,
,.
.,
0 F . d
0. F = d.: 00 cdH .
22
, F :
)( xdccdF xx . (8) , : – , N – , S – .
D: xx FSxm .
(1) S,
.)3cos()cos( 310 cxcdptHptHHxgP
,
)3cos()cos( 312 pthpthxkx , (9)
.,, 33
11 P
gHh
PgHh
Pcgk
(2) )3cos()3sin()cos()sin( 22112 ptBptAptBptAx . (10)
1, 1, 2, 2 ,2 (2),
,.
.9
,0,,0 223
33221
11 pkhBA
pkhBA
(3), :
).3cos()cos( 223
221
2 ptpk
hptpk
hx
k = p . k = 3p .
Pcgk ,
, k p k 3p. .
23
§7.
1. . .«
», 2, , 1975.
l
1 2
.
. 1 2.
.n
k
ekFwM
1c =
n
k
ekF=R
1CwM .
l/2 ,,
22
21OCwn , ,
R2
2gPlMR C .
1 2.
2. . . «», 2, ,1975.
F,
.,
. f. x, y
.
24
. : – , F – , R – , F – ,
, F.:
c FFxM , PRyM c (1) constryC . 0C ,
R = P. , fRF .
F (1), PfPFgxC .
1CtP
fPFgxC .
t = 0, 0 () 1=0. 1
: tP
fPFgxC .
F > fP.
§8.
1.
0 ,
0u .
.:
. M – ,m – .
.n
i
eiFQ
dtd
1
)(.
« », :
25
0 1
"0" ,0
"1" .d Q Q const Q Qdt
.
0 0 00
1
( ),
,
Q M m u
Q M m
0 0 0
0 0 00 0
( ) ,
( ) .
M m u M m
M m u m um M m M
2. . . «», , ,1999.
, 90 / .
,
0,12 ,
?.
1. , ( ),
.2. ,
, : G,R F.
V0 = 90 / = 25 / , V = 0. S t,.
3.
:0
01 )( dttFQQ .
( ), ,G nR , F
, : 0V, –Ft = –mV0.
26
4. t: t = mV0/F.F = 0, 12G = 0,12mg,
gVt 2,21
81,912,025
12,00
.
3. . .«
», ,,1999.
( ,),
V0 = 60 / 5
.
.1. ,
. . ,.
2. ; G – , ,
iR , fRi , ., ,
, ,nR fR ,
G , nR , fR .
3. G nR. ,GffRR nf .
4. ,,
t
fdtGVmVm0
01 .
27
t =5 , GftmV0 ,
fGtVgG
0 , , , V0 = 60 / = 16,7 / ,
34,0581,9
7,160
gtVf .
§9. 1. . . «
», 2, ,1975. 1 1
r z
, 2 2,
.,
m ,
f. .
. z,
. . )(1
ek
n
kZ
Z Fmomdt
dL.
: m – ; 1 – , 2 – , R1
'1R –
, R2 – , F – . , 22 PR , F = fP2,
1, R1'
1R , z, :rfPmFmom e
kZ 2)( . (1)LZ
z 2212
21
22)2()1(
22
2)( r
gPPr
gPr
grPvmmomJLLL ZZZZZ .
LZ , ,
28
221
22 rg
PPdt
dL Z. (2)
(1) (2) )(1
ek
n
kZ
Z Fmomdt
dL
, :
)()2(
222
21
rfPmrPP
g.
2. . . «», 2, ,1975.
,.
.
.. ,
.. .
.
, z
. : – , r –
.
,
: – , 1 2 –, R x, R y, R z,
RBx, R y – .
z. n
k
ekZ
Z Fmomdt
dL1
)( .
29
,z, z :
0)(1
n
k
ekZ Fmom . 0
dtdLZ , , 21
ZZ LL . ,
. ZZ IL ,:1
11ZZ IL , 2
22ZZ IL , 21 , ZZ II –
. 21ZZ LL 1
11ZZ IL ,
222ZZ IL , 2
21
1ZZ II , 12
1
2Z
Z
II
.
z. ,.
z 2
103 r
gP
.
,
22
21
4516
342
103 r
gPr
gPr
gPIZ ,
2222
54
42
103 r
gPr
gPr
gPIZ .
, 12 94
.
§10.
Tm vk k
k
n 2
1 2 .
, ,
TMv
TC2
2 ,
T –
. ( )., ,
30
TMvC
2
2 ,
M – ;Cv – ( ).
, ,
2
2ZJT ,
ZJ – , – .
()
TMv JC C
2 2
2 2 ,
JC – , (
); – .
, ,
A F dr Fds F F dx F dy F dzx y zcos( , ) .
A Fdr F ds F dx F dy F dzL L
x y zL
( ) .
sA Fs F scos( , ) .
A P P z zC C12 1 2( ) ( ) ,
P – ;zC1
zC2 –
.F cxx
Ac
x x12 12
22
2 ,
x1 x2, ,
,A R v M dtO O ,
31
R M0 – ; – .
, , ,
;dMA Z
2
1
12 dMA Z ,
MZ – Oz..
, ,
NA
dtF v F v F x F y F zx y z .
, ,OO MvRN .
, ,,
ZMN .
L, . ,, ,
xF
yF yx , x
Fz
F zx , yF
zF zy
,
.dA ; A12= 1 – 2,
(x, y, z) – ;1 2 – (x, y, z).
constPZc ., Ph , h –
,« » ,
. ( )
2
2c,
:c – , ,
;
32
– ;
:c – , ,
1 ; – .
,, , . .
T2 – T1 = A12.,
)(1212
eATT , )(12
eA – .
, , . . NdtdT
.
,,
, , . . + = const.
1. m
,,
,.
S ,
,.
f, .tgf
. : P , F ,N F , F .
,: )(1212 FATT . ,021 vv 021 TT ,
, ,012A . . 0)()()()( 1212121212 NAFAFAPAA .cosfPF , cxF , .mgP
33
;sin)(12 PSPA ;cos)(12 fPSSFFAS cScxdxFA0
2
12 2)( ; 0)(12 NA ,
.
, ,02
cossin2cSPSfPS
.)cos(sin2c
fmgS
2. . . «», , , 1999.
, 90 / .
, ,
0,12 ,
?. 1. S
)(1001 FATT . V1=0,GSFSFSFA 12.0)cos()( ( F
180 ), G nR( ),
FsmV
2
20
.
2. S: gV
FmVS
12,022
20
20
(F =0,12G=0,12mg).
225 2652 0,12 9,81
S .
3. . . «», , , 1999.
34
500 , 2 ,, 12 / , .
,, ,
106 , 19600 ..
1. ,
)(1001 FATT ,
,S = 500 .2.
,
.
.
G 1G 2G ., , :
2G , R F .
3. (F+R+G2),,
10 = –(F+R+G2)S.4. 10 ,
V1=0, 2
20
2mVSGRF .
F:
2
20
2GR
SmVF .
5. G2:
ShGGG )sin(2 .
35
G2 F,
ShGR
SmVF2
20
.
F, , G=mg,
SmghR
SmVF 85100
500281,91019600
50021210
2
62620
.
§11.
[1], [5]
jjj
QqT
qT
dtd
(j = 1, 2, ... , s),
q1, q2,..., qS – ;s – ;
,1q ,2q …, Sq – ; – ;
Q1, Q2, ..., QS – ., ,
0jj q
LqL
dtd
,
L = T – – .:
;, ,
,, , ,
, . .);,...,,;,...,,( 2121 tqqqqqqTT SS ( t
T);
36
jqT
;
jqT
dtd
, ,jq
T,
t;;
.
1..
B, ,. D
m. 2m, 3m, ,
, 30 . .
. ,
. :xq1 – D;
37
yq2 – ;zq3 – .
,.
.DBA TTTT ,
TA – ;TB – ;TD – .
zv3 , ,
.2
32
22 zmzmT AA
D : () xv1 ( )
zv3 .,
, . . 31 vvvD , , .2223
21
2 zxvvvD
, )(22
222
zxmvmT DDD .
.
: 22
20
20 BB
BJvm
T ,
v0 – ;B – ;
J0 – .
, . .,32 vvvO
yv2 – , ,cos2cos2 22
3223
22
2 zyzyvvvvvO .
B . ,B
.: xvr
E ; .yvrO
38
, .EKv
OKv r
ErO
B ,
,R
xyEKOKvv r
ErO
B R – .
,2
22
mRRmJ BO
, .)(2
)cos2( 222 yxmzyzymTB
.)(2
)cos2()(22
3 222222 yxmzyzymzxmzmT
:
)( yxmxmxT
;
)()cos(2 yxmzymyT
;
)cos(23 yzmzmzmzT
.
x, y, z
T, ,0zT
yT
xT
;2)( ymxmyxmxmxT
dtd
;cos23)()cos(2 zmymxmyxmzymyT
dtd
.6cos2)cos(23 zmymyzmzmzmzT
dtd
.
QX ,1
xAQX
A1 – ,,0;0 zyx , ,1 xmgxPA D .mgQX
39
yAQY
2 , A2 -
.0;0 zxy ,,sin2sin2 ymgyPA B .sin2mgQY
,0;0 zyx A3 0, , , .0ZQ
.
.j
j qQ P x P y constD B sin ,
,
.0
;sin2sin
;
zQ
mgPy
Q
mgPx
Q
Z
BY
DX
,2
3 2 22 6 0
mx my mgmx my mz mg
my mz
;cos sin ;
cos ., 30 ,
2
3 3
;
;
x y g
x y z g3 6 0.y z
. 2 ,
5 2 3 .y z g,
.24
3;41;
83 gzgygx
,
.321 243;
41;
83 CgtzCgtyCgtx
1, 2, 3 ,.x y z 0
40
,:
.48
3;81;
163 222 gtzgtygtx
2. , . 2
1. 2 ,
m0. , 2 – 2, r2 – 2, r1 – 1. 2 , –
. ..
,.
.
QTTdtd
.
41
: – , 2 – 2, m0 – , . ,
, .
, . . .Q:
coscos 20 OAPOCPmA .
OA=OP-AP=r1-r2, OCOA r r2 2
1 2,
A m P P r r12
2 20 2 1 2 cos . (1)
, A Q , ,
: Q m P P r r12
2 20 2 1 2 cos . (2)
, 2 (
1 ), . . T T T( ) ( )1 2 . (3) ,
, ,
T IO( )1 21
2 , IPg
OAPg
r rO
13
13
21 2
2–
. , TPg
r r( ) ( )11 2
2 216 . (4)
2,
, TPg
v IA A( )2 2 2
221
212 . (5)
, :v OA r rA ( )1 2 . (6)
, 2, P : 22rvA . (7)
(6) (7), : 21 2
2
r rr . (8)
2
IP r
gA2 2
2
2 . (9)
42
v A , 2 I A (6),
(8) (9) (5) TPg
r r( ) ( )2 21 2
2 234 . (10)
(3), (4) (10), :
TP P
gr r
2 912
21 2
2 2( ) . (11)
: 221
2 )(6
92 rrg
PPT
: 221
2 )(12
92 rrg
PPTdtd
. (12)
, , (11), , :
0T. (13)
(2), (12), (13)
:2 9
612
2 221 2
2
0 2 1 2
P Pg
r r m P P r r cos ,
:
cos3
2 22 9
0 2 1 2
2g
m P P r rP P . (14)
: m P P r r0 2 1 2
12
2 cos .
3. 1 2. D
. 5 L 6; 3 – D, 4 – , 5 –
. ,.
, L. .
.
43
..s1 s2,
.s1 s2:
111
SQsT
sT
dtd
,
222
SQsT
sT
dtd
. (1)
: 1 – , 2 – , 3 – D, 4 – , 5 – , 6 – L.
, , , ( ,
, ).
1SQ2SQ
s1 s2 ,
s1 s2.
44
1SQs1 , s2 , . .
s s1 20 0; . ( , s1 s2
.), ,
N . s1 ,,
rM , s1 . ,N ,
rO5 ( . ),
rM , . .
221
5srr M
O . (2)
,s1 :
56511 )(sin OrPPsPA .
(2),
1651 )(21sin sPPPA . (3)
2 , s2 0 ,3 4 ,
.1SQ ,
(3), . .
)(21sin 6511
PPPQS . (4)
2SQs2 , s1 :
s s2 10 0; .
, , D. s2
, , NNr ,
s2 . ,, ( . )
45
222
5srr N
O . (5)
,s2 :
56522 )(sin OrPPsPA .
(5), :
2652 )(21sin sPPPA . (6)
1 , s1 0 ,3 4 ,
.2SQ ,
(6), . .
)(21sin 6522
PPPQS . (7)
, : , L D, :
T T T T T T T( ) ( ) ( ) ( ) ( ) ( )1 2 3 4 5 6 . (8) v A vB ,
.s1 s2 s1 s2 .
D, r3, r4 r5. D:
31
3
sr , 4
2
4
sr . (9)
v M
v A , . . v sMx 1 . v sNx 2 ., . ), 5 ,
:
2221
5ssvvv NxMx
xO . (10)
46
5
, N: v v vMx Nx MN x( ) , . .( )v v v s sMN x Mx Nx 1 2 .
( )v MN rMN x 5 5 52 , 2 5 5 1 2r s s ,
: 51 2
52s s
r . (11)
,,
TPg
s( )1 1121
2 , TPg
s( )2 2221
2 . (12)
D ,:
235
)3(
21
OIT ,244
)3(
21
OIT .
grPI
grPI OO 2
,2
244
4
233
5 (9),
TP s
g( )3 3 1
2
4 , TP s
g( )4 4 2
2
4 . (13)
, ,255
25
5)5(
21
21
OO IvgPT .
grPIO 2
255
5
(10) (11), :
TPg
s sPg
s s( )5 512
22 5
1 2
316
18 . (14)
L, ,
TPg
vO( )6 6 21
2 5 .
(10),
47
TPg
s s( )6 61 2
218 . (15)
(8) (12)–(15). :
2 2 2 231 2 41 2 1 2
2 2 25 5 61 2 1 2 1 2
1 1 1 12 2 4 4
3 1 1( ) ( ) ,16 8 8
PP P PT s s s sg g g g
P P Ps s s s s sg g g
. .
TP P P P
gs
P P P Pg
sP P
gs s
8 4 3 216
8 4 3 216
28
1 3 5 612 2 4 5 6
22 5 6
1 2 . (16)
s1 s2
165
26542
2
265
16531
1
82
82348
,8
28
2348
sg
PPs
gPPPP
sT
sg
PPsg
PPPPsT
165
26542
2
265
16531
1
82
82348
82
82348
sg
PPs
gPPPP
sT
dtd
sg
PPs
gPPPP
sT
dtd
. (17)
, , (16) s1 s2 ,
01s
T, 0
2sT
. (18)
(4), (7), (17) (18) (1) s1 s2 :
48
8 4 3 28
28
12
8 4 3 28
28
12
1 3 5 61
5 62 1 5 6
2 4 5 62
5 61 2 5 6
P P P Pg
sP P
gs P P P
P P P Pg
sP P
gs P P P
sin ,
sin .
, :( ) sin sin
s gD C B C P B P
AB C12 1
28 ,
( ) sin sins g
D C A A P C PAB C2
2 128 ,
212
5sin)(sin)()2(4
CABPCBPCABACDgwO ,
8 4 3 21 3 5 6P P P P A ,
8 4 3 22 4 5 6P P P P B ,
P P C5 62P P
D5 6
2 .
§12. [2]
26.1, 26.5, 26.6, 26.9.
27.1, 27.3, 27.12, 27.13, 27.34, 27.42, 27.53, 27.56.
28.1, 28.6, 28.7, 28.15, 28.17, 28.21.
29.7, 29.14.
30.4, 30.6, 30.11, 30.12, 30.15, 30.19, 30.22.
32.1, 32.2, 32.5, 32.16, 32.24, 32.26, 32.37, 32.53, 32.55, 32.57, 32.68, 32.70, 32.78, 32.79, 32.86, 32.93, 32.94, 32.96, 32.98, 32.99.
34.2, 34.3, 34.9, 34.11, 34.12, 34.15, 34.21.
35.3, 35.4, 35.10, 35.13, 35.14, 35.19.
49
36.3, 36.6, 36.9.
37.1, 37.3, 37.9, 37.14, 37.34, 37.39, 37.43, 37.46, 37.53, 37.56.
38.2, 38.4, 38.9, 38.20, 38.24, 38.27, 38.30, 38.40, 38.42, 38.44, 38.46, 38.47, 38.50.
48.5, 48.6, 48.12, 48.13, 48.28, 48.29, 48.30, 48.35, 48.44.
§13.
:
Fwm ,
m – ,w – ,F – .
dtdz
dtd
dtdrzrtF
dtzdm
dtdz
dtd
dtdrzrtF
dtd
dtdr
dtdrm
dtdz
dtd
dtdrzrtF
dtdr
dtrdm
z
r
,,,,,,
,,,,,,2
,,,,,,
2
2
2
2
2
2
2
.
dtdSStF
dtdSStF
dtdSm
dtdSStF
dtSdm
n ,,0
,,1
,,2
2
.
( , , , , , , )( , , , , , , ) .
( , , , , , , )
x
y
z
mx F t x y z x y zmy F t x y z x y zmz F t x y z x y z
50
N
kkkz rmJ
1
2.
)(
2
)(
2
)(
2 ),,(VVM
z dvrVMdvrzyxdmrJ .
21 MdJJ ZcZ .
2MRJ z .
n
k
ekFwM
1c = .
n
i
eiFQ
dtd
1
)( ;
001 )( dttFQQ .
)(1
ek
n
kZ
Z Fmomdt
dL.
)(1001 FATT .
Tm vk k
k
n 2
1 2 .
TMvC
2
2 , M – ; Cv – .
2
2ZJT , ZJ – ,
– .
TMv JC C
2 2
2 2 .
A F dr Fds F F dx F dy F dzx y zcos( , ) .
A Fdr F ds F dx F dy F dzL L
x y zL
( ) .
A Fs F scos( , ) .A P P z zC C12 1 2
( ) ( ) .
51
F cxx ; Ac
x x12 12
22
2 .
A R v M dtO O ;
;dMA Z
2
1
12 dMA Z .
.
NA
dtF v F v F x F y F zx y z .
OO MvRN .
ZMN .
xF
yF yx , x
Fz
F zx , yF
zF zy
– .
dA ; A12= 1– 2 , (x, y, z) – ;Ph , h – ,
2
2c.
,, , . . T2 – T1 = A12.
, , . . NdtdT
.
,,
, , . . + = const.
jjj
QqT
qT
dtd
(j = 1, 2, ... , s),
q1, q2,..., qS – ;s – ;
,1q ,2q …, Sq – ; – ;
Q1, Q2, ..., QS – .
0jj q
LqL
dtd
, L = T – – .
:
52
;, ,
,, , ,
, . . );,...,,;,...,,( 2121 tqqqqqqTT SS (t T);
jqT
;
jqT
dtd
, ,jq
T,
t;;
.
53
1. . . : .. / . . . – 12- ., . – . : . ., 2002. –
416 .2. . . : .
. , . . / . . ; . . . , . . . – . : ,
2004. – 447 .3. . . : .
. , . . / . . ,. . . – 8- ., . – . : , 2001. – 763 .
4. : . . / . . [ .]. –
. : - , 2004. – 382 .5. . . : .
. : 3 . / . . , . . ,. . . – . : , 1990. – . 1 : . – 670 .
6. .. . . / . . [ .]. – . : . ., 1996. – 431 .
7. . . : .. - / . . ; . . . . –
. : , 1972. – . 1 : , ,. – 467 .
54
. 3.
-
:,
15.08.07. 60×84/16. . . . 3,1. 100 . 1678.
-.
394000, . , . . , 10. . 208-298, 598-026 ( )http://www.ppc.vsu.ru; e-mail: [email protected]
-.
394000, . , . , 3. . 204-133.