Research Article
Damage Degree Detection of Cracks in a Locomotive Gear Transmission System
Table 2
Notation used in the track subsystem.
| Notation | Physical meaning |
| | Rail quality of unit length | | Mass moment of inertia of car body | | Quality of discrete ballast | | Resistance to bending stiffness of rail | | Linear displacement of rail/sleeper/ballast in vertical | | Stiffness/damping of rail pad | | Stiffness/damping of discrete ballast | | Share stiffness/damping of discrete ballast | | Stiffness/damping of subgrade |
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