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建立了U形无加强波纹管结构分析的有限元分析模型，采用ANSYS有限元软件对其在不同平面失稳工况下的应力响应进行了计算。
The finite element analysis model to the U shape bellows is presented and calculated by the ANSYS program under diverse loads for in plane instability.
本文对V型波纹管的冷凝传热提供了一个新的物理模型和数学模型。
A new physical model of condensation heat transfer on V type corrugated surfaces is presented.
本文首次验证了纵流壳程换热器选用波纹管作为换热元件采用单元流道模型对壳程进行数值模拟的正确性，同时验证了数值模拟结果的正确性。
The correctness of using periodic unit duct model to simulate the shell-side flow and heat transfer is confirmed for the first time, when using the corrugated tube.
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