Open Access
表1
一阶与二阶时变可靠性分析方法的对比
| 对比项 | AMPPT | 本文SOTRM |
| 瞬时响应 | 正态变量 | 正态变量+χ2分布随机变量 |
| 时变响应 | 高斯过程 | 非高斯非平稳随机过程 |
| MPP搜索 | 无需Hessian矩阵 | 需逼近Hessian矩阵 |
| Kriging模型 | 最大可能轨迹 | 最大可能轨迹+ 平均曲率半径函数 |
| MCS采样方式 | 响应空间采样 | 原始随机空间采样 |
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