Research Article
Finite Element Multibody Simulation of a Breathing Crack in a Rotor with a Cohesive Zone Model
Table 1
Curve fitting of the simulation results for
,
in [rad].
| Model | Mathematical model | SSE | R-square |
| Linear function | = 0.039 + 0.001 | 0.000 580 | 0.951 6 | Quadratic polynomial | = −0.012 + 0.076 − 0.020 | 0.000 011 | 0.999 0 | Sinus function | = 0.010sin (0.593 − 0.145) | 0.000 006 | 0.999 5 | Power function | = 0.123 − 0.077 | 0.000 099 | 0.991 7 |
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