介绍了关魏氏组织形成的贝氏体型切变理论、类马氏体相变理论和扩散型台阶长大理论。
The theories about formation of Widmonstatten, Bainite shear and Martensite transformation are introduced, and the theory about growth of diffusion types of ledge is recommended as well.
本文首先从切削剪切变形和刀具离散化理论出发,推导出高速铣削条件下铣削力和切削速度的关系模型。
A relation model between cutting forces and cutting speed is established for high speed milling condition on the basis of research into the theory of shear distortion and the discrete milling cutter.
抗剪强度和剪切变形是砼的基本力学性能,又是强度理论研究和有限元分析的重要数据。
Shear strength and shear strain are the basic properties in mechanics of concrete. They also serve as important data for finite element and failure criterion research on concrete.
基于弹性理论建立了考虑横向剪切变形时复合材料脱层梁的基本方程序。
The basic equations, including the transverse shear, are built on the basis of elastic theory.
基于血流变理论,设计了一套用于测量不同切变率下表观粘度的密闭管道系统。
Based on hemorheology theory, a suit of airtight pipeline system is designed, which is used to measure apparent viscosity with different shear rates.
本文运用湍流快速畸变理论对各向异性条件对无切变边界层及轴对称应变湍流特性的影响进行了探讨。
In this paper rapid distortion theory is used to predict the effect of anisotropy on the structure of shear free boundary layer and axisymmetric straining turbulence.
经典的梁板弯曲理论由于未考虑横向剪切变形的影响而只能适用于细长梁和薄板。
Classical bending theory of beam and plate can only be fit for thin and long beam and thin due to without considering deformed influence of cross shearing.
基于一阶剪切变形理论和哈密顿原理,建立了旋转层合圆板动力学运动方程和相应的边界条件。
Based on the first order shear deformation theory and Hamiltonian principle, the governing equations and boundary conditions of rotating multi-layer annular plate were derived.
采用高斯径向基函数和一阶剪切变形理论对普通复合材料叠合板的固有频率进行了计算。
The Gaussian radial basis functions and first-order shear deformation theory are presented to calculate the natural frequencies of generally laminated composite plates.
将梁的弹性大挠度弯曲理论应用于蜂窝壁板,研究了大变形条件下蜂窝材料的非线性剪切变形行为。
Basing on the elastic bending theory of beams in large deflection, the non-linear shearing behavior of cellular materials under large deformation is studied in the paper.
FRP拉挤型材由于剪切变形较大,强度计算时不能按普通各向同性梁理论进行计算,应考虑剪切变形的影响。
On account of the big shear distortion, the flexural strength of pultruded FRP shapes cannot be calculated by the theory of the ordinary isotropic beams. The effect on shear distortion is considered.
基于一阶剪切变形板理论,推导了功能梯度材料圆形板在边界面内均布压力作用下的轴对称屈曲方程。
Based on the first-order shear deformation plate theory, axisymmetric governing buckling equations are derived for a functionally graded material circular plate subjected to in-plane pressure.
采用复级数方法首次建立了基于一阶剪切变形理论的各向异性矩形板横向弯曲一般解析解。
General analytic solutions for transverse bending of anisotropic rectangular plate using first order shear deformation theory is obtained at the first time by the complex series method (CSM).
由实测和理论分析表明复合土钉墙的变形是由剪切变形、弯曲变形以及墙底基底以下土体变形组成。
The analysis and the spot measure data prove the deformation of composite soil nailed wall include shear deformation, bend deformation and total deformation of soil.
本文首先从高阶剪切变形理论出发,利用样条有限点法,建立了压电智能层合板新的动力模型;
This paper set out from the high order shear deformation theory at first, and utilize the spline finite point method to set up a new dynamic model of piezoelectric intellectual plate.
该方法计入了板的横向剪切变形和挤压变形影响,其基本方程如同经典理论一样简单易解。
In this new method the influence of transverse and squeeze deformation was considered, the basic equations are complacated easily like classical theory.
由于剪力滞效应及剪切变形的存在,箱梁的弯曲振动频率按照初等梁理论计算往往存在较大的误差。
The vibration frequency of box gird is usually calculated by the elementary beam theory, but it will lead to a large error because of the existence of shear lag effect and shear deformation.
本文系统地阐述了异步轧制剪切变形条件下板材冷轧织构的模拟计算理论;
The theory of calculating deformation texture on condition of cross shear rolling was introduced.
最后,对新本构关系与其它理论的本构关系作了比较,计算了简单剪切变形的应力。
Finally, the stresses of simple shear deformation are worked out to examine some constitutive relations.
介绍用于复合材料层合板理论计算的经典层合板理论、一阶剪切变形理论以及高阶剪切变形理论及其各种简化形式,重点介绍了前两者理论。
This chapter shows some laminate theories such as the Classical Plate Theory and the first Order Shear Deformation Theory and the High Order Shear Deformation Theory and it's simple forms firstly.
针对杨木—秸秆层合梁的弯曲问题,利用分层剪切理论对其变形和强度进行了分析。并将分析结果与经典理论、一阶和高阶剪切变形理论的结果进行了比较。
Aimed at the bend of poplar-straw laminated beam, the theory of delamination shearing deformation was used to analyse its bending deflection and strength, and compared the results with other theories.
可借助位错理论的某些方法来阐述湿软土壤的剪切变形机理。
Dislocation theory can be used to describe the shear deformation mechanism of wet and soft soils.
算例表明该模型较之基于经典理论和一阶剪切变形理论的脱层模型精度显著提高。
The numerical examples show that the present delamination model is more accurate than those based on the classical theory and the first order shear deformation theory.
通过对高应变速率一维剪切变形理论模型的分析,提出了绝热剪切带宽度和间距与切削速度的关系式。
Based on the theoretic model of one-dimensional shear deformation under high rate loading, a relation of width and spacing for adiabatic shear band to cutting speed is proposed.
结果表明,高阶剪切变形理论下的计算结果未必优于一阶剪切变形理论和更符合于实际。
The calculation showed that the HSPT has the same results with First-order ones sometime.
由冲裁变形过程的分析可知,决定合理间隙值的理论依据是应保证在塑性剪切变形结束后,由凸模和凹模刃口处所产生的上、下剪切裂纹重合。
According to the blanking distortion procedure, the theory that decide the proper gap is to make sure the edge of the male die and female die's gap can be superposition.
本文提出考虑剪切变形时圆弧形曲杆弯曲的一般理论,可用于求解圆环和圆弧形曲杆的平衡和稳定问题。
The equilibrium of circular are bars and the stability of circular rings have been analyzed as examples.
针对血液流变测试仪转盘读数不准确的关键问题,提出了精度测试的设计理论和方法,提高了切变率的检测精度。
In order ot solve the key problem that the rotate speeds of turntable in the rheogeniometer are error often, a method called Precision Design was bui…
基于平面塑性变形的特点,提出了平面剪切变形线的概念,从而为塑性理论平面问题补充了一个新概念。
In this paper, the concept of a shear deforming line that is based on the properties of 2-dimension plastic deformation is presented.
本文基于高阶剪切变形理论,考虑横向正应变和横向剪切应变的影响,对受热复合材料层合板壳的非线性热动态响应进行分析。
Based on a model of a cantilever beam system with clearance restriction, its nonlinear dynamic response to harmonic excitation are studied qualitatively in experiments.
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