In numerical computation by the finite element method it is also convenient to use the loading-unloading criteria and the constitutive equations formulated in strain space.
在有限元方法的数值计算中使用应变空间表述的加-卸载准则和本构方程也是很方便的。
In this master thesis, the stress-strain relationships of thin films were measured by nanoindentation combined with dimensional analysis and finite element method.
本文以纳米压痕法结合量纲分析及有限元方法来测量薄膜材料的应力-应变关系。
Under the condition of three kinds of nonlinearity the stress and strain distribution of the road wheel is calculated with finite element analysis software ANSYS.
建立了负重轮的三种三维有限元力学模型,在考虑三重非线性的情况下,用ANSYS有限元分析软件计算了负重轮的应力应变分布。
The calculation of the initial stress (or initial strain) singular integrals in elastoplastic boundary element method is a difficult, but an important problem.
弹塑性边界元法中初应力(或初应变)奇异体积分的计算一直是一个较为困难、但又是非常重要的问题。
The element coupling shape function meatrices are derived by means of geometrically nonlinear strain displacement relation un-der small deformation assumption.
利用几何非线性的应变-位移关系式,在小变形假设条件下确定单元耦合形函数。
The element coupling shape function matrices are derived by means of geometrically nonlinear strain displacement relation under small deformation assumption.
利用几何非线性的应变-位移关系式,在小变形假设条件下确定了单元耦合形函数。
This paper presents a finite element model of local damage in creep and provides the threshold strain for damage elements.
建立了蠕变局部损伤法模型,并给出单元进入损伤态的判据和失效的临界拉伸应变条件。
This paper describes a method based on the generalized principle of virtual work to derive the hybrid model of finite element. An assumed-strain hybrid model was obtained.
本文提出用广义虚功原理的方法建立有限元的杂交模型,并具体导出了一种杂交应变模型。
A strain gauge is a force-sensing element whose resistance changes in proportion to the amount of force applied to the element.
这种张力传感器元件是检测力的元件,其电阻值与作用于其上的力成比例。
The strain mode is sensitive to structural damage, and joint damages of framed structures can be diagnosed successfully using Element End strain mode shift.
应变模态具有对结构损伤敏感的特点,应用结构杆端应变模态,完全可以实现框架结构节点的损伤诊断。
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.
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。
This paper gives a brief introduction of how TCA solves creep problems by using finite element method and initial-strain method, TCA's features and structure, and some application examples.
本文简要地介绍了TCA软件应用有限单元法解决弹性徐变体计算的初应变法和软件的基本特点与结构,并给出了应用实例。
The pile-soil interaction behavior of passive pile under soft soil movement action was analyzed using plain strain finite element analysis including the plasticity and large strain of soil.
采用平面应变有限元方法,对土体运动作用下的被动桩桩土相互作用进行分析。
To alleviate the membrane and shear locking phenomena, the membrane strains and the out-of-plane shear strains are replaced with assumed strains in calculating the element strain energy.
为了避免膜闭锁和剪切闭锁,在计算单元应变能时,用假定应变代替膜应变和平面外的剪切应变。
In the method the modal strain energy of an element is divided into tension modal strain energy, torsion modal strain energy and bending modal strain energy.
该方法将单元模态应变能分解为拉压、扭转和弯曲模态应变能,利用单元的主要模态应变能分量与结构固有频率的改变量对结构裂纹位置进行识别。
The strain mode is acquired by analysing the finite element model of the intact and damaged structure.
通过完好结构和有损伤结构的有限元分析。
The temperature coefficient of modulus of elasticity of sensing element material result in temperature effect on rated output of strain gauge load cell.
应变式负荷传感器额定输出温度影响是由于弹性体弹性模量的温度系数引起的。
Five of these anchor slab structures were analyzed by finite element method in plane strain case, and the results of analysis are fairly close to the data obtained from field observations.
本文用有限单元法按平面形变情况分析了五座锚定板挡土结构,发现分析结果与现场实测数据相当接近。
While deriving the finite element equation, get the cable's strain formula considering the big distortion, get its geometry rigidity matrix and elastic rigidity matrix.
在有限元法推导方程的过程中,考虑到拉索大变形的应变表达式,求得它的几何刚度矩阵和弹性刚度矩阵。
In the paper, the elastoplastic boundary element method (BEM) of the initial strain is worked at calculating parameters of flat rolling of plate and strip.
本文在计算板带轧制中的参数时应用了初始应力的弹塑性边界单元方法。
Because the finite element method consider the relation of stress-strain of rock soil, so, it is more accurate and rational than other methods that it calculates side slope stability coefficient.
由于有限元计算方法考虑了岩土的应力——应变关系,因此,其求解的边坡稳定系数比其它方法更为精确合理。
In this thesis, the stress intensity factors of top-down cracks caused by loading are calculated using three dimensional finite element model and compared to the results of plane strain model.
本文采用三维有限元模型分析了荷载作用下自上而下裂缝尖端的应力强度因子,并与二维平面应变模型分析的结果进行比较。
In theoretical investigations, elastic strain energy method, fiber inclination model, three cells model and finite element model etc. are introduced.
在理论研究方面,介绍了弹性应变能法、纤维倾斜模型、三细胞模型和有限元模型等工作。
The relations between temperature, stress, strain and displacement on ductile shear zone are established by using theory of rheology and finite element method.
本文应用流变学有限元法,建立了韧性剪切带内的温度、应力、应变和位移之间的关系。
The crack tip stress-strain field of elastic-plastic materials are analysed by finite element method in the plane stress condition.
用有限元方法对平面应力条件下弹塑性材料的裂纹尖端应力应变场进行了计算。
On the basis of the assumption of plane-strain and the constant-strain condition in triangular element, the deformations from the objective part to the initial blank were analyzed.
根据平面应变假定及三角形单元常应变条件,进行了由目标零件到坯料的变形逆分析。
The effect of the whisker rotation on the hot compressive deformation behavior of the whisker reinforced aluminum matrix composite is investigated by the plane strain finite element method.
采用平面应变有限元方法研究了晶须转动对晶须增强铝基复合材料热压缩变形行为的影响。
An isoparametric finite element program of large elastic-plastic strain (LEPS) is used to analyse the necking of a cylindrical bar and a plate specimen under uniaxial tension.
本文用弹塑性大应变问题的等参数有限元分析程序(LEPS程序),对平板和圆棒试件的颈缩作了较全面的分析。
The billet deformation behavior, the magnitude and distribution of effective strain and damage value were investigated by rigid-plastic finite element method during multi-axial compressions.
采用刚塑性有限元法研究了多轴压缩过程中的坯料变形行为、等效应变大小、分布以及损伤值。
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
利用单元局部频率变化率法和单元模态应变能比法,对连续梁桥进行了损伤诊断的数值模拟研究。
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