, .
. . . . , .
( ) : , ( ), , , , .
Δ, Δ, Δz. R, R+∆R Δz, R, R+ΔR, ∆φ. ' . , ' . , .
, . , τ = 0. ³ () . . , ', . , , .
, ', . '. ( ), , - , ' ', .
|
|
|
, 
- 䳺, ( ) . ̳ . ' , . , , , , . , ,
tτ+∆τ = A1t + A2tx-∆x + A3tx+∆x + A4ty-∆y + A5ty+∆y + A6tz-∆z + A7tz+∆z
.
1.. 7 , , . 1, :
1 = 1- 
Αi (3.1)
∆τ , , - +1 
. ∆τ, , 1 . ∆τ , .
, ∆τ :
(3.2)
i = 1 :
Q = q × ∆τ, 
δ Q1= λ 
,
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|
,
V = F × d/n
г : Q = Q1+ Q2
q∆ 
= λ 
∆ + Vi × p × c × tτ+∆τ Vi r × c × tτ
:
t 
= t 
. (3.3)
l , /(*);
, /(*);
r , /3;
tti ;
tit+∆t ;
tti-1 ;
tti+1 ;
n , .
( ) -г -, , q .
㳿 - ' i:
Q = λ 
,
Q1 = λ 
,
Q 
= 
,
' :
tτ+∆τ = tiτ + 
. (3.4)
'. ' , ' i = 2... n-1 . i = n .
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㳿 ' i=n ( , qn=0)
Q= λ 
,
Q 
λ 
= 
':
t 
(3.5)
2
: .
:
.
-.
.
.
.
.
