... 等级区分 grade separation 等级应力；应力分类；应力分等 grade stress 地表直径 ground line diameter(GLD) ...
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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
论述了管道应力分类、产生的因素以及应力消除方法。
The classification of piping stress, stress development factors and stress release method are introduced.
通过设计实例，阐述了应力分类可靠性设计的具体步骤。
Finally, the detail procedure of the stress classification reliability design is presented by a instance.
本文还讨论了有限元网格密度和结构几何模型对计算结果及应力分类的影响。
This article also has discussed the effects of different finite element grid densities and structural geometry models on calculation results and stress classifications.
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