Open Access
表3
不规则管路优化结果
| 参数 | 优化值 | 参数 | 优化值 | ||
| 布局参数 | φ/(°) | 70.142 | 1阶固有频率/Hz | 260.06 | |
| Z11/mm | 161.38 | 2阶固有频率/Hz | 451.48 | ||
| Z22/mm | 0.227 68 | 3阶固有频率/Hz | 642.89 | ||
| Z44/mm | 1.357 60 | 随机振动 应力幅值/MPa |
4.012 8 | ||
| Z55/mm | 16.67 | 随机振动 变形幅值/mm |
7.7×10-3 | ||
| Z66/mm | 184.6 | ||||
| t1 | 0.055 70 | ||||
| t2 | 0.073 60 | ||||
| t3 | 0.012 28 | ||||
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.