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介绍了压力容器的压应力与热应力关系,使用优化分析方法确定了耦合应力作用下的压力容器最小壁厚。探讨了阀门热应力载荷的施加方法。
The relationship between compressive stress and thermal stress of pressure vessel is introduced, and the minimum wall thickness of pressure vessel under coupling stress is determined by using optimization analysis method. The method of applying thermal stress on valve is discussed.