According to analytical design code of pressure vessels and stress-classification guidelines,combined with the stress distribution features of valve body,the problems of stress classification and strength estimate of valve body are discussed.
根据压力容器分析设计标准和应力分类准则,结合阀体的应力分布特点,对阀体的应力分类和强度评定问题进行讨论。
参考来源 - 阀体应力分类与强度评定的讨论The principle of FEM equivalent stress method, with introducing of the ideas of stress classification and equivalent linearization method in ’design by analysis’ for steel pressure vessel, is further developed.
引入“分析设计法”中关于应力分类和等效线性化的概念,进一步阐述了有限元等效应力法的原理。
参考来源 - 混凝土拱坝的强度计算与极限荷载分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally, the detail procedure of the stress classification reliability design is presented by a instance.
通过设计实例，阐述了应力分类可靠性设计的具体步骤。
By introducing the definitions of stress and stress ecology and stress classification, the significance and principal contents of the stress ecology were expounded.
介绍了胁迫及胁迫生态学的定义，划分了胁迫的种类，阐述了胁迫生态学的研究意义和主要研究内容。
The paper gives the formula of temperature stress by analyzing the cause, classification and control mechanism of the the thermal crack control of concrete.
通过对混凝土温度裂缝分类、成因与控制机理的分析，总结了混凝土温度应力的公式。
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