Second, the result of temperature field analysis indicates that temperature distribution on the annular tubesheet is similar to that of convention tubesheet.

• 本文得到如下结论：（1）对兼法兰形式的管板做三维有限元应力分析时，在忽略接触等问题的局部影响下，非线性模型和简化模型的应力计算结果相近。