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。
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.
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 yield criterion of composite materials is simulated by using the homogenization method of micromechanics and the plastic limit analysis theory.
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。
The plastic theory of composite material include three criterions: the yield criterion, the flow rule and the hardening rule.
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。
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.
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 locus which liner dimensionless yield criterion can express the yield character of orthotropic materials better in the sense of physical.
材料性质采用理想的刚塑性模型，混凝土屈服准则采用不考虑混凝土拉应力的修正的库伦屈服准则。
The materials are assumed to be rigid-perfectly plastic. Modified Coulomb failure criteria with tension cut-off are adopted to predict yielding of concrete.
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。
Two aspects of the yield limits and the slip directions for materials in the twin-shear unified yield criterion are analyzed in this paper.
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。
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.
本文利用库仑屈服准则，研究了拉压异性材料厚壁圆筒和厚壁球壳的弹性极限载荷和塑性极限载荷，得出了新的结果和结论。
This paper performs the limit analysis of a thick wall cylinder of linear strengthened material based on the unified strength theory.
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。
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。
According to the relation between macroscopic and microscopic scales, the macroscopic yield criterion of composites isd...
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