The yield criterion for powder metallurgical materials was a key basis of generalized plasticity theory.
粉末冶金材料屈服条件是广义塑性理论的重要基础。
Research show that the method of extrapolating failure load and net section yield criterion are available.
研究表明，推算破坏载荷和净截面屈服判据是合理的，可用的。
According to the relation between macroscopic and microscopic scales, the macroscopic yield criterion of composites isd...
通过宏细观尺度对应关系，得到了复合材料的宏观屈服准则。
The plastic theory of composite material include three criterions: the yield criterion, the flow rule and the hardening rule.
复合材料的塑性理论通常包括三方面准则：屈服准则、流动准则和强化准则。
Two aspects of the yield limits and the slip directions for materials in the twin-shear unified yield criterion are analyzed in this paper.
对双剪统一屈服准则所表征的材料屈服极限和滑移面方向特性作了分析。
In 3-d stress space, simplified form of Mohr-Coulomb equivalent area circle yield criterion is derived by adopting analytic geometry method.
在三维应力空间，采用解析几何的方法，导出了莫尔-库仑等面积圆屈服准则的简化形式。
Then the yield conditions of the reinforced concrete plates with bilateral layout are derived employing the twin shear stress yield criterion.
本文采用双剪统一屈服准则首次对受环形均布荷载作用下的简支圆板进行了塑性极限分析，得出了相应的统一解形式。
The yield locus which liner dimensionless yield criterion can express the yield character of orthotropic materials better in the sense of physical.
文章给出了正交异性材料线性无量纲屈服准则的一般形式和平面应力状态下的特殊形式。
The yield criterion of composite materials is simulated by using the homogenization method of micromechanics and the plastic limit analysis theory.
运用细观力学中的均匀化方法和塑性力学中的极限分析理论，分析了复合材料的屈服准则。
The strain yield locus of the stress yield criterion was advanced and the strain ellipse method for calculating the limit bulging coefficient was given.
提出应力屈服条件的应变屈服轨迹，给出了复合胀形极限成形系数的解法；
It is concluded that the explicit anisotropic yield criterion for jointed rock masses which is obtained by approximate analytical method has high precision.
研究表明，提出的节理岩体各向异性显式屈服准则具有很高的精度。
So it is summarized that the twin-shear unified yield criterion could not give a proper descriptions to the slip characteristics for the materials when yielding.
由此可见，双剪统一屈服准则尚不能很好地描述材料屈服时的滑移特性。
In this paper the formula of work of plastic deformation and the 3-dimensions figure of Twin shear stress yield criterion in the plane stress condition are derived.
文章导出了双剪应力屈服准则的塑性功串表达式及在平面应力条件下的三维图形；
In this paper, the deformation of the axisymmetrical tunnel in soft rocks is studied by using the Mohr-Coulomb yield criterion and non-associative plastic flow rule.
本文采用莫尔-库仑屈服准则和非关联塑性流动法则分析了轴对称软岩巷道的变形规律。
In computing safety degree of the soil slope stability by nonlinear FEM strength reduction method, the influence of yield criterion on the calculation results is analyzed.
分析了在应用有限元强度折减法计算土质边坡稳定安全度时，屈服准则对计算结果的影响。
The yield conditions of axisymmetric circular plate and shallow spherical shell of reinforced concrete based on Twin shear stress yield criterion are presented in the paper.
导出了基于双剪屈服准则的钢筋混凝土球扁壳的屈服条件，并利用此屈服条件求解出其极限荷载。
In this paper, a compressing twisting-forging-method, based on the yield criterion, is given. It can be used for forging cylinders. The experiments are made with plasticine.
本文以金属塑性成形的屈服准则为依据，提出了一种圆柱体压缩-扭转复合变形工艺，并且用塑性泥做了模拟实验。
In this paper, the mechanical model of positive-negative formation for revolving shell is analyzed, the classification method is given according to the stress yield criterion.
本文分析了回转壳体正负成形的力学模型，基于应力屈服条件对回转壳体的变形进行了分类；
A unified solution of plastic limit of simply supported circular plates subjected to border uniform distributed loading is presented based on the Twin Shear unified Yield Criterion.
运用双剪统一屈服准则，对线性荷载的两种不同分布形式作用下的固支圆板进行了弹塑性分析，分别得出了相应的统一解形式。
This paper makes the optimum autofrettage analysis of thick-walled cylinder of the material with different yield strength in tension and compression base on the Mohr's yield criterion.
本文运用莫尔屈服准则对承受内压的拉压屈服强度不同材料的厚壁圆筒进行了自增强分析，得到了依赖于材料拉压比的厚壁圆筒的最佳弹塑性界面半径、最佳自增强内压。
The analyzing method in this paper is based on the classical theory of plates and shells and the two-moment limited-interaction yield condition was used as the yield criterion for materials.
本文的分析建立在经典薄壳理论以及双矩弱作用屈服条件的基础上。
Based on the single axial compression of sintered iron cylinder specimens, the rationality and applicability of generalized yield criterion are validated for sintered powder metallurgy materials.
通过烧结铁圆柱试样单向压缩试验，验证了粉末冶金烧结材料广义塑性屈服条件的合理性和适用性。
Based on the yield criterion and plastic potential theories, a plastic constitutional relation, yield condition and yield curve equation in plane strain for powder metallurgical material were derived.
粉末冶金材料屈服条件是粉末冶金材料广义塑性理论的基础，其数学表达式对粉末冶金材料广义塑性理论方法的建立有重要影响。
The loci and the effective curves of the criterion are of nonlinear types that could give a better description to the yield characteristics of materials.
但与双剪统一屈服准则不同，新屈服准则的极限线和中间主应力效应曲线是非线性的，能够描述材料的非线性屈服特性。
According to the industrial division criterion of the oil shale, the oil shales of the Dalianhe Formation belonged to the middle oil yield with low-ash.
根据油页岩工业划分标准，达连河油页岩属于中灰分、低含油率的油页岩。
The strength reduction FEM is applied to the stability analysis of slope. The basic principle of this method and the definition of safety factor, yield rule and instability criterion are discussed.
将有限元强度折减法应用于边坡稳定分析中，探讨了该方法的基本原理、安全系数的定义、屈服准则和失稳判据等。
This paper, adopting the Concept of divitional yield of plastic strain components, proposes a loading criterion of divitional yield, which is suitable for incremental numerical method.
本文采用塑性应变分量的分部屈服概念，提出了适用于增量法计算的分部屈服加载准则；
This paper, adopting the Concept of divitional yield of plastic strain components, proposes a loading criterion of divitional yield, which is suitable for incremental numerical method.
本文采用塑性应变分量的分部屈服概念，提出了适用于增量法计算的分部屈服加载准则；
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