 |
|
horizontal elasticity coefficient
|
|
G
|
|
Gunning length
|
|
I
|
|
|
Line diameter
|
|
d
|
|
Weight
|
|
P
|
|
|
Outer diameter
|
|
Do
|
|
Spring constant
|
|
K
|
|
|
Central diameter
|
|
Dm
|
|
Index rate
|
|
C
|
|
|
Inner diameter
|
|
Di
|
|
Stress amendment coefficient
|
|
k'
|
|
|
Total tendril
|
|
Nt
|
|
Sheer stress
|
|
|
|
|
Valid tendril
|
|
Ne
|
|
Tension Strength
|
|
|
|
|
Long Length
|
|
Nt
|
|
|
|
|
|
|
|
|
 Spring coefficient calculation :
K = G *  / 8 * Ne * Dm ³
|
|
Weight calculation :
P = K * (L - l)
|
|
Stress amendment coefficient :
k' = {(4 * C-1) - (4 * C-4)} + (0.615/C)
|
|
|
= k' * 8 * Dm * P/ * d ³
|
|
|
Stress rate =
/
|
|
