Boundary conditions used in suspension system of Y25 bogie
| Region | Boundary condition | Explanation |
|---|---|---|
| Axle box seat | Frictionless support | Allows vertical support but permits lateral movement |
| Center spring seat | Fixed support | Represents the fixed location of a spring mount |
| Symmetry faces | Symmetry condition | Used if only half or quarter of the model is analysed |
| Load application point | Force/pressure application | Where spring or external loads are applied |
| Region | Boundary condition | Explanation |
|---|---|---|
| Axle box seat | Frictionless support | Allows vertical support but permits lateral movement |
| Center spring seat | Fixed support | Represents the fixed location of a spring mount |
| Symmetry faces | Symmetry condition | Used if only half or quarter of the model is analysed |
| Load application point | Force/pressure application | Where spring or external loads are applied |
Source(s): Author’s own work
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