Research Article
Numerical Simulation of Flow-Induced Vibration of Three-Dimensional Elastic Heat Exchanger Tube Bundle Based on Fluid-Structure Coupling
Table 4
Calculation results of natural frequencies different failure modes.
| | “011” type | “101” type | “100” type | | Frequency (hz) | Mode characteristic | Frequency (Hz) | Mode characteristic | Frequency (Hz) | Mode characteristic |
| | 169.86 | First order | 148.58 | First order | 79.960 | First order | | 422.48 | Second order | 412.90 | Second order | 223.04 | Second order | | 550.78 | Third order | 628.41 | Third order | 434.06 | Third order | | 739.61 | Fourth order | 708.20 | Fourth order | 638.94 | Fourth order |
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