Open Access
表2
随机变量
| 参数 | 均值 | 分布类型 | 变异系数 |
|---|---|---|---|
| ρ/(kg·m-3) | 8 240 | 正态分布 | 0.000 63 |
| E/MPa | 205 000(22℃)
175 500(400℃) 168 500(500℃) |
正态分布 | 0.05 |
| σ′f/MPa | 1 224 | 正态分布 | 0.01 |
| ε′f | 0.129 8 | 正态分布 | 0.01 |
| ω1/(rad·s-1) | 1 200 | 正态分布 | 0.01 |
| ω2/(rad·s-1) | 600 | 正态分布 | 0.01 |
| ω3/(rad·s-1) | 1 100 | 正态分布 | 0.01 |
| b | -0.07 | 常量 | |
| c | -0.63 | 常量 |
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