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多层圆管结构在不稳定导热过程中的温度场及其热应力状态,关系到结构的安全可靠性. 本文采用有限元数值分析方法计算多层圆管的温度场,并把解析解与有限元相结合,提出一种求解其热应力的计算方法.
The temperature field and the thermal stress state of the multi-layered circular tube structure in the process of unstable heat conduction are related to the structural safety and reliability.In this paper, the temperature field of the multi-layer circular tube is calculated by finite element method and the analytical solution is limited In this paper, a method to calculate the thermal stress is proposed.