Research Article
A New Method for Reliability-Based Sensitivity Analysis of Dynamic Random Systems
Table 2
Stochastic characteristics of basic parameters.
| | Random parameters | m1 (kg) | k1 (N/m) | c1 (N·s/m) | m2 (kg) | k2 (N/m) | c2 (N·s/m) | ωt (rad/s) | F1 (N) |
| | Average | 500 | 1e6 | 1e5 | 50 | 1e7 | 1e5 | 50 | 8000 | | Variance | 25 | 5e4 | 5e3 | 2.5 | 5e5 | 5e3 | 2.5 | 4e2 | | Third moment | 2.55e3 | 2.10e3 | 2.21e6 | 3.26 | 2.32e6 | 2.21e6 | 1.6387 | 6.67e6 | | Fourth moment | 1.22e6 | 1.96e19 | 1.13e10 | 120.26 | 1.98e23 | 1.13e10 | 121.75 | 7.85 |
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