Cableizer ®

Moment of inertia (bending) cable

The moment of intertia of the cable is used for mechanical calculations. It can currently only be calculated for single-core cables.

Symbol
$J_{tot}$
Unit
mm$^4$
Formulas
$J_{c}+J_{sc}+J_{sh}+J_{ar}+J_{i}+J_{ab}+J_{j}$
Related
$J_{ab}$
Moment of inertia (bending) armour bedding [mm$^4$]
$J_{ar}$
Moment of inertia (bending) armour [mm$^4$]
$J_{c}$
Moment of inertia (bending) conductor [mm$^4$]
$J_{i}$
Moment of inertia (bending) insulation [mm$^4$]
$J_{j}$
Moment of inertia (bending) jacket [mm$^4$]
$J_{sc}$
Moment of inertia (bending) metallic screen [mm$^4$]
$J_{sh}$
Moment of inertia (bending) metallic sheath [mm$^4$]
Used in
$k_{\theta,tot}$
Torsional spring constant cable [N.mm/rad]