研究了V型切口尖端的弹塑性应力奇异性问题。
The problem of elastoplastic stress singularity near the tip of V notch is studied.
建立了结晶器内连铸坯热弹塑性应力有限元数学模型。
A finite element mathematical model was developed to calculate the thermal elastoplastic stress of continuous casting billet in mold.
研究的主要目的是把这种材料应用于光弹塑性应力分析。
The main purpose of our study is to use such material in photoelastic-plastic stress analysis.
蔡开科考虑铸坯温度回升，建立了铸坯热-弹-塑性应力模型。
Cai Kaike takes the billet surface reheating into account, and establishes a heat transfer and elastic-plastic stress model.
本文对局部经受高温热循环构件的热弹塑性应力进行了有限元分析。
In this paper, the thermal elastic-plastic stresses of the components which underwent local high temperature cycle were analyzed by FEM.
考虑了弹塑性应力波传播对屈曲的影响，建立了该问题横向扰动方程。
The equation of lateral disturbance used to analyize the problem is developed by taking into account the effect of elastic-plastic stress wave.
按规则设计，按分析设计，弹性应力分析，极限载荷分析，弹-塑性应力分析。
Design by Rule, Design by Analysis, Elastic Stress Analysis, Limit Load Analysis, Elastic-Plastic Stress Analysis.
本文根据热弹塑性应力理论，用有限元法分析了厚板焊接工形截面柱的残余应力。
Using the theory of thermal elastic-plastic stress, this paper calculates the residual stress distribution in the heavy welded I-section by finite element method.
本文根据土的室内蠕变试验提出了一项分析土的弹粘塑性应力—应变关系的方法。
Based on laboratory creep tests of soils, the method for analyzing the elastic-viscoplastic stress-strain relations are presented in this paper.
在对裂尖弹塑性应力应变分析的基础上，作者建立了疲劳裂纹扩展的应变累积模型。
Then, the strain accumulation model of EPFC growth is presented based on an analysis of elastic-plastic stress and strain at the crack-tip.
提出了一种迭代方法来计算刚体与幂次硬化材料结合的界面端的弹塑性应力奇异次数。
An iterative method was proposed to determine the elastic-plastic singularity at the interface edge of a power-law hardening material bonded to a rigid substrate.
研究了在均匀径向压力作用下圆柱正交异性复合厚壁圆筒的弹-塑性应力场和位移场。
The elastic-plastic stress and displacement fields of cylindrically orthotropic composite thick-walled tube under uniform radial pressure are studied.
对于各向同性塑性材料，缓慢扩展裂纹尖端的各向异性塑性应力场就变成理想塑性应力场。
For the isotropic plastic material, the anisotropic plastic stress fields at a slowly propagating crack tip become the perfectly plastic stress fields.
利用该模型分析了复合材料宏观弹塑性应力-应变响应以及细观几何结构特征对宏观弹塑性性能的影响。
With the model, macroscopic stress-strain responses are studied and micro-structural geometry effects on macroscopic elastoplastic properties are analyzed.
在此基础上，建立了能反映整个激光加工过程的主要物理特征的热弹性应力、热弹塑性应力以及残余应力的简化模型。
All these lead to the model of the thermal elastic stress, thermal elastoplastic stress and residual stress based on some simplications.
累积塑性应变能随着加载频率及应力水平的增加而增加，与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
采用塑性增量理论，建立了波纹管液压胀形的应力、应变数值计算方法，解决了波纹管液压胀形工艺的理论计算问题。
By plasticity increment theory, the stress strain numerical calculate methods of bellows bulge forming, solvers theory calculating problems of bellows bulge forming technology are put forward.
同时给出了塑性激波后方弹性卸载区内的应力和质点速度分布规律。
Distributions of stress and particle velocity in the elastic unloading region behind the plastic shock wave are given as well.
采用数值分析方法对冲击压痕法测量残余应力的弹塑性变形过程进行了理论分析。
The indentation method of residue stress measurement depends on strain measurement around an indention caused by an impacting sphere.
如果在撤去应力后变形仍保留，则称此材料呈现塑性流动。
If, when the stress is removed, the deformation remains, the material is said to exhibit plastic flow.
并在求解温度场的基础上按热弹塑性理论计算了应力场及最终的残余应力。
Both thermal stresses and residual stresses are calculated according to thermal elastoplastic theory based on the calculation of temperatures.
如果预应力筋达到EN 10138中的最大荷载下的延伸率规定值，则可以假定其在延伸时有足够的塑性。
Adequate ductility in elongation may be assumed if the prestressing tendons obtain the specified value of the elongation at maximum load given in en 10138.
预应力混凝土结构塑性计算理论与设计方法是理论界和工程界十分关注且较为棘手的问题之一。
The calculating theory and designing method of pre-stress reinforcement concrete structure plasticity is one of thorny problem that the theory circle and project circle pays close attention to.
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.
在拉应力作用下，塑性变形集中在铁素体区。
Plastic deformation concentrates at the ferrite area under the tensile stress es.
利用弹塑性理论建立了孔冷挤压的载荷、位移、应力以及残余应力分布表达式；
The expressions of load, displacement, stress and residual stress distribution for hole cold_extrusion process are established by using elastic_plastic theory.
模拟了某拟建中水下公路隧道，在不同隧道顶板厚度时的围岩应力、位移、塑性区的分布及大小。
Dispersion ranges of stress, displacement and plastic region of different coping thickness of wall rock of an underwater highway tunnel are simulated.
研究了塑性变形对残余热应力的影响；
The effect of plasticity deformation on residual thermal stress was investigated.
如果预应力筋满足enISO 15630中对弯曲性的要求，则可以假设其有足够的弯曲塑性。
Adequate ductility in bending may be assumed if the prestressing tendons satisfy the requirements for bendability of en ISO 15630.
如果预应力筋满足enISO 15630中对弯曲性的要求，则可以假设其有足够的弯曲塑性。
Adequate ductility in bending may be assumed if the prestressing tendons satisfy the requirements for bendability of en ISO 15630.
应用推荐