stress limit

Confirmation of rotor's dynamic thermal stress limit value during unit's auto-start-up

机组自启动过程中转子动态热应力限定值的确定

As for the calculation, the old allowable stress design method and the more simple formula are adopted, not the present limit condition calculation method and its complicated formula stated in the 《 Steel Structure Design Code 》.

在计算方法上不是采用现行《钢结构设计规范》中的极限状态设计法及其较繁的计算公式，而是采用锅炉行业过去习惯采用的许用应力设计法及其较简单的计算公式。

Experimental Limit Load Research and Stress Analysis to the Specimen with Part-through Slot under Biaxial Load

带凹坑双向试板的实验应力分析及实验极限载荷研究

Test results show that two discontinuity points could be found in tensile stress-amplitude attenuation curve, they correspond to long time strength and creep failure limit respectively.

结果表明，拉伸过程中混凝土内部结构存在2个不连续点，它们分别与持续高技应力下的持久强度和徐变破坏极限较好地吻合。

Thee elastic limit is the maximum stress for which the material acts elastically.

弹性极限是材料表现弹性时的最大应力.

The grouping test is conducted in higher stress region in order to gain the fatigue life, S-N curve and the inferior limit of fatigue life. The confidence level of grouping test is90%.

进行成组法试验获得较高应力下的疲劳寿命、S-N曲线及疲劳寿命下极限，试验置信度为90%。

The three sets of equations deduced on the assumption that the principal axis of stress coincides with the axis of anisotropy for calculating limit strains in anisotropic, aeolotropic and isotropic sheet metal stretching are special solutions of the general equations.

假定应力主轴与各向异性轴重合的各向异性、厚向异性和各向同性等三组计算金属板材成形极限应变的方程均为普遍方程的一些特例。

ANSYS FEM used in the stress calculations of blower hub, which overcomes the limit of the classical method on the stress calculation of complicated surface, is an ideal, accurate calculation method for the simulation on the actual operation of rotor blower hub.

采用ANSYS计算汽轮发电机转子风扇座的应力，克服了经典计算方法对复杂变化曲面应力计算的局限性，是较理想地模拟转子风扇座实际运行工况的计算方法。

In order to avoid such a failure, an empirical model in terms of four process parameters, namely sheet thickness, step size, wall angle and yield stress, was developed to compute the minimum safe limit of tool radius.

为了避免这种失效，本论文中提出了一个以板厚、加工步长、成形角和屈服应力为变量的经验公式，以计算工具头半径的最小值。

Cap plate reinforcement method can limit deformation of shore structure and soil, but due to the slant pile cap connection on the consolidation of the steel sheet pile, the position will add greater stress solid.

斜顶桩桩顶钢筋混凝土顶板法能够限制接岸结构及土体的变形，但是由于将斜顶桩桩帽于钢板桩固结连接，该位置加固体的应力将较大。