A model based on inherent strain theory has been proposed to explain the mechanism at different stage of local PWHT.
提出了基于固有应变理论的模型,对焊后局部热处理各个阶段的特征进行了阐述。
Then an analytical model for axisymmetric case is developed based on the total strain theory and membrane assumption.
基于全量塑性理论及膜应变假定,推导了轴对称情况的解析计算模型;
Limit strain is able to be calculated by the combination of the fractionized displacement transfer (FDT) algorithm and the finite strain theory.
将分段位移传递法和有限应变理论相结合,可计算大变形下的极限应变。
Based on the stress - strain curve uith Power series, the asymptotic nalytical solution of rotating disks uith strain-hardening is obtained from the total strain theory.
采用全量理论和幂级数形式的应力一应变曲线,导出了弹塑性强化材料旋转园盘的渐近解。
It is concluded that the total strain theory can be used as a substitute for the incremental strain theory to analyse the force and deformation in sheet metal deep-drawing process.
结果表明,全量理论可代替增量理论分析、计算拉延成形过程的力和变形等。
Elastic wedge model is used for analysis of excavation of homogeneous slope. On the basis of elastic plane-strain theory and the line folds to add theory, stress field of the excavation is got.
本文采用了弹性理论中的楔形体理论,对均质边坡开挖过程进行了分析,在平面应变问题的基础上结合线性叠加原理得到开挖坡体的应力场。
With the total strain theory and membrane assumption and taking the normal anisotropy of sheet metal into consideration, initial blank size can be directly calculated from desired flanging height.
在该算法中,采用了全量塑性理论及膜应变假定,并考虑了板材的厚向各向异性,可以直接从所需的翻边高度计算出初始坯料的尺寸。
Control Theory, General Strain Theory and Social Learning Theory, this quantitative study explored the effects of family, school, and peers on the deviant behavior of deaf junior high school students.
本研究主要依据社会控制理论、般化紧张理论以及社会学习理论之观点为基础,探讨家庭、校及同侪因素与国中听觉障碍学生偏差行为之关联性。
This is based on the theory that close-range, nonbonded interactions are repulsive, i.e. Steric strain.
这基于这样的理论,即近距离,非键相互作用是排斥的,即立体应变。
Strain mode parameter and mode identification theory originate from mechanical engineering territory. They are used to structure engineering lately.
应变模态参数和模式识别理论来源于机械工程领域,是在最近十来年才引入建筑结构中来的。
Plaster the electron strain gauge on PCB stress boundary to measure the strain cost with both strain electrical logging technology and theory.
在印刷电路板受力边界粘贴电子应变片以应变电测技术和原理测定各测点的应变值。
Then, we introduce a strain gradient theory and its main applications, in which no high-order stresses are included.
其次主要介绍了不含高阶应力的一类应变梯度理论及其应用;
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.
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。
The second shear strain gradient and the function reflecting the effect of strain rate are introduced into the yield function of classical elastoplastic theory.
在经典弹-塑性理论的屈服函数中引入应变梯度及考虑应变率效应的函数。
The result shows that FLSD is independent of strain path, and that the FLSD under different strain paths are almost the same curve according to the same instability theory.
结果表明,成形极限应力图不受应变路径影响,对于同一失稳准则,在不同加载应变路径下几乎为同一条曲线。
By incorporating the theory of finite strain, the model is capable of evaluating the mean volumetric strain analytically, thus facilitating the procedure of numerical calculation.
运用有限应变理论,可以将球孔扩张塑性区内的平均体积应变以解析方法导出,方便了数值化计算。
Introduced in this paper are two fracture critical surfaces of three dimensional mixed mode obtained from the theory of strain energy density factor and the theory of maximum tensile strain.
本文对按应变能密度理论和最大拉应变理论所推导出的两个三维复合型断裂临界曲面作了简要介绍。
The deformation and stress condition of the micro-composite are studied according to the shear-lag theory and strain-hardening law.
按照剪切滞后理论和应变硬化规律,研究微复合材料的变形和应力状态。
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.
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。
The multi potential surface model in strain space based on multi potential surface theory is described and verified in the paper.
文中介绍了基于多重势面理论所建立的应变空间的多重势面模型,并对其适用性进行验证。
The thesis recommended the theory of minimum strain energy, which says the total structural strain energy can be changed by the increase and decrease of constraint number.
本文介绍了通过在结构单元上增加或者减少不作功的不同约束点,可以改变结构单元应变能的大小的应变能极小原理。
First, the basic principle of the strain measurement with bonding resistance, theory of strain measurement, method and the relative signal disposition are introduced in the dissertation.
首先,介绍了电阻应变测量法的基本原理,应变测量的理论、方法以及相关的信号处理知识。
The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
对长周期光纤光栅传输谱谐振波长的应变特性用耦合模理论进行研究,推导出谐振波长应变灵敏度的解析表达式。
Plastic limit load of viscoplastic thick-walled cylinder and spherical shell subjected to internal pressure is investigated analytically using a strain gradient plasticity theory.
基于应变梯度塑性理论,分析了内压作用下厚壁圆筒和球壳的塑性极限荷载。
The strain path theory is different from the plastic flow theory since it gives a nonlinear relation between stress deviation increment and strain deviation increment.
应变路径理论与传统的增量理论不同之处在于其偏应力增量和偏应变增量之间为一非线性关系。
This paper introduces the method for a strain analysis of the fabric (foliation and lineation) of granite by using the theory of the strain ellipsoid.
本文介绍了利用变形椭球体理论,对花岗岩组构(叶理、线理)进行应变分析的方法。
An assumed strain finite element method based on the theory of strain gradient was proposed to explore the size effect that frequently exhibited in micro-beam bending.
采用基于应变梯度理论的假设应变有限元方法研究了微尺度梁弯曲的尺寸效应。
Therefore, it is necessary to establish a micron level continuum theory (strain gradient plasticity theory) considering the intrinsic material length.
因此非常有必要建立一个包含内禀材料长度的微米尺度连续统理论(应变梯度塑性理论)。
This paper systematically introduces some methods of micro-forming and a universal theory about strain gradient plasticity at present.
本文系统地介绍了微细塑性成形方法以及目前较常用的应变梯度塑性理论。
This paper systematically introduces some methods of micro-forming and a universal theory about strain gradient plasticity at present.
本文系统地介绍了微细塑性成形方法以及目前较常用的应变梯度塑性理论。
应用推荐