Open Access
Table 5
Parameters of tube-die surface contact.
| Contact surface | Contact function | Sliding mode | Friction coefficient | Interstitial heat conduction coefficient (kW/(m2·°C)) |
|---|---|---|---|---|
| Tube-flexible ball | Penalty | Finite | 0.1 | 2.1 |
| Tube-insert die | Kinematic | Small | Rough | |
| Tube-bend die | Kinematic | Finite | 0.4 | |
| Tube-clamp die | Kinematic | Small | Rough | |
| Tube-mandrel shank | Penalty | Finite | 0.1 | |
| Tube-pressure die | Kinematic | Finite | 0.4 | |
| Tube-wiper die | Kinematic | Finite | 0.1 |
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