根据金属塑性流动理论和设计方法，提出新的热挤压工艺。
According to metal plasticity flow theory and design methods, a new hot extrusion process was proposed.
本文讨论了塑性流动理论中的理想刚塑性材料的动力学问题。
We discuss the dynamics problems of ideal rigid-plastic material in the flow theory of plasticity in this paper.
利用土体的塑性流动理论，提出了用于描述饱和砂土动力反应性质的弹塑性本构模型。
Based on the plastic flow theory of soils, an elastoplastic constitutive model for describing the dynamic behavior of the saturated sands is developed.
改进的反向模拟法采用了一种基于塑性流动理论的本构方程，可以充分考虑应变历史对塑性变形的影响。
The constitutive equation in the present method is based on flow theory of plasticity to consider the loading history, while deformation theory of plasticity in the classical inverse analysis method.
利用土体的塑性流动理论，提出了用于描述饱和砂土在单调荷载作用下的应力—应变反应性质的弹塑性本构模型。
Based on the plastic flow theory of soils, an elastoplastic constitutive model for describing the stress-strain behavior of the saturated sands under the action of monotonic loading is developed.
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.
根据塑性力学流动理论，分析推导了变形区三维变形和应力的数学模型。
From the plastic flow theory, the three-dimensional deformations and stresses of the deformation zone are formulated.
针对盒形件拉深成形时法兰变形区的变形进行了材料塑性流动的理论分析，提出了位移速度差诱发剪应力的观点。
In of displacement induces shear stress. Shear deformation this paper, flow law of material is theoretically analysed based on deformation of the flange deformed area in box drawing.
应用塑性位势理论，导出了关联的流动法则。
Through the plastic potential theory, the associated rules of now are derived.
结合以塑性功为硬化参数的椭圆形屈服面，根据相关联流动法则及损伤理论推导出了黄土弹塑性损伤本构模型。
To join ellipse yield function, hardening parameter with plastic work, associated flow law and damage theory, the elastoplastic damage constitutive model of loess were derived.
基于晶体塑性理论及数理统计理论，建立了流动应力波动幅度与晶粒尺寸和坯料几何尺寸间的关系。
Based on the crystal plasticity theory and mathematical theory of statistics, the relation of flow stress fluctuation quantity to grain dimension as well as billet dimensions was built.
广义塑性理论表明，关联流动法则是非关联流动法则中的一种特殊情况。
As shown in the theory of generalized plastic mechanics, the associated flow rule is just a particular case of non-associated flow rule.
广义塑性理论表明，关联流动法则是非关联流动法则中的一种特殊情况。
As shown in the theory of generalized plastic mechanics, the associated flow rule is just a particular case of non-associated flow rule.
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