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strain relations
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  应变关系
     Based on analyzing the influence of stress strain relations and J integral conservation under biaxial stresses,it could be concluded that the stress strain relation curve in using increment theory elastic plastic finite element method was the important reason influencing on J integral conservation.
     分析了双向应力下应力应变关系对J积分守恒性的影响 ,结果表明 :增量理论弹塑性有限元的应力应变关系曲线是影响J积分守恒性的重要原因 .
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     The stress versus strain relations and the Poisson's ratios under tension of 4 double-walled carbon nanotubes (DWCNTs) with diameters greater than 1 nm were numerically studied with the molecular dynamics method.
     利用分子动力学方法,对双壁碳纳米管在拉伸条件下的弹性性能进行模拟,研究了直径在1nm以上的4根双壁碳纳米管,模拟了它们的应力-应变关系以及泊松比.
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     The present paper dealt with pressure-volume strain relations of SFRC(steel fiber reinforce concrete) materials under compaction. Fractal interpolation functions were used to calculate the data and then the iterated function system(IFS) of SFRC materials were presented.
     为研究钢纤维混凝土在压力作用下与体积应变之间的关系,采用分形理论中的分形插值方法,对压力—应变关系进行了计算,导出了压力与体积应变关系曲线的迭代函数系统IFS(iterated function system)。
短句来源
     Based on digital speckle correlation method(DSCM),a novel video control experimental technique was developed for assessing tensile experiments. A series of tensile experiments on SnAgCu solder alloy was conducted under various constant true strain rates ranging from 10~(-5) to 10~(-3) s~(-1) and at 25℃ to 150℃. And the true stress-true strain relations and void damage evaluation law were achieved.
     开发新的基于数字散斑相关方法(DSCM)的摄像机控制拉伸实验方法,在温度25-150°C和应变率10-5-10-3s-1范围内进行一系列的恒应变率拉伸实验,得到真应力-真应变关系和空洞演化规律.
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     STRESS STRAIN RELATIONS FOR CONCRETE UNDER CYCLIC LOADING AFTER HIGH TEMPERATURE UP TO 800℃
     高温后混凝土在重复荷载作用下的应力-应变关系
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  “strain relations”译为未确定词的双语例句
     Three dimensional stress strain relations of concrete in concrete filled steel tubes
     钢管混凝土中混凝土的三向本构关系
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     The researching and applying actuality about concrete strength theory and stress strain relations are stated simply and the application method of multi parameter strength criterion and nonlinear finite element stress analysis of concrete dams has been bring forward in this paper.
     简述砼强度理论和本构关系的研究和应用现状 ,提出了多参数强度准则和增量型非线性本构关系在砼坝有限元应力分析中的应用方法
短句来源
     Thermophysical Foundations of the Linear Stress—strain Relations of Materials
     材料线性物理方程的热学基础
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     Tensile impact test of a unidirectional Kevlar 49/phenolic composite(KFRP)were carried out in a Bar Bar Tensile Impact Apparatus. Three high strain rates 150s 1 ,400s -1 and 1500s -1 were used in the experiments; complete stress strain relations have been obtained respectively.
     在旋转盘式杆杆型冲击拉伸试验装置上 ,对单向Kevlar 49纤维增强酚醛树脂复合材料(KFRP)进行了冲击拉伸试验 ,得到了应变率为 15 0 ,40 0和 15 0 0s-1下的单向KFRP的完整拉伸应力应变曲线 ;
短句来源
     Kotsovos and J. B.Newman and one way stress strain relations of concrete in concrete filled steel tubes. Three dimensional stress strain relations of concrete in concrete filled steel tubes is proved by an example analyzed by finite element program, and it can be used for three dimentional dual non linear analysis.
     B.Newman提出的混凝土三向本构关系和钢管混凝土中混凝土的单向本构关系模型,推导出一种适合于钢管混凝土三维双重非线性分析的混凝土三向本构关系,并通过编制的有限元程序计算算例,验证了所推导的钢管混凝土中混凝土的三向本构关系的正确性。
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  相似匹配句对
     The relations of E.
     而E.
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     The strain of B.N.
     N .
短句来源
     On Relations
     论关系
短句来源
     Normalization Character of Stress-Strain Relations for Clays
     黏性土的应力-应变关系归一化性状探讨
短句来源
     Geotechnical Yield Criteria and Constitutive Relations in Strain Space
     应变空间中的岩土屈服准则与本构关系
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  strain relations
The experimental results indicate that the patterns of stress-strain relations are distinctly influenced by the initial shear stress in the cyclic single-direction shear tests.
      
In order to obtain the tensile stress-strain relations, a special fixture was used for the impact tensile specimen.
      
Furthermore, the axial stress-axial strain relations between laterally confined concrete under axial compression and multiaxial stress-strain relations for steel at constant high temperatures were studied.
      
This paper gives the stress-strain relations of the variational types on the basis of an assumption concerning the small deformation in the theory of elasto-plasticity.
      
According to the theory of proportional loading in elastoplasticity, we simplify the complete stress-strain relations, which are given by the increment theory of elastoplasticity.
      
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Experimental results on thin tubes made of a 70/30 a-brass subject to the combined action of torsion and internal pressure have been presented. The loading paths include those of simple loadings, of complex loadings in which no stress component decreases, and of "neutral loadings". The stress-strain relationship has been investigated with reference to the relative orientations of the principal axes of stress and strain, to the connection between the Lode's parameters of stress- and strain-ratios,...

Experimental results on thin tubes made of a 70/30 a-brass subject to the combined action of torsion and internal pressure have been presented. The loading paths include those of simple loadings, of complex loadings in which no stress component decreases, and of "neutral loadings". The stress-strain relationship has been investigated with reference to the relative orientations of the principal axes of stress and strain, to the connection between the Lode's parameters of stress- and strain-ratios, and also to the establishment of strain-hardening characteristics. The analysis of experimental results show that under all manners of loading, the stress-strain relations appear to agree approximately with the theory of flow. For the complex loadings in which no stress component decreases, the theory of deformation can be considered as also applicable. But under the so-called "neutral loadings", in which some stress components decrease while the yield criterion is to be maintained at constant values, the experimental results seem to deviate perceptibly with all the fundamental assumptions involved in the theory of deformation. For this type of loading, strain predictions according to the slip theory also appear to differ remarkably from experimental observations.Test results also show with fair evidence that the sensitivity to the complexity of loading path of the stress-strain relations in the plastically deformed material seem to be affected by the intensity of plastic deformation attained, i.e., for a given type of complex loading, the further the deformation is brought into the plastic range, the more will the actual stress-strain relations deviate from the fundamental assumptions in the theory of deformation.

本文分析了扭矩和內压复合加載下的黄铜薄管試驗結果。試驗变形范圍屬小彈塑性。加載方式包括簡單加載,应力分量无一减少的复杂加載,以及“中性变載”。分析对象包括应力与应变主軸方向間的关系,应力与应变Lode参数间的关系以及硬化特性曲綫的建立。試驗結果示出:在各种加載方式中,应力应变关系都大致符合流动理論。而在应力分量无一减少的复杂加載中,形变理論也能大約适用。但在“中性变載”中,形变理論的各項基本假定与实验数据有显著差异,因而不能适用。对于“中性变載”,滑移理論所預測的应变数值也与实驗数据有較显著的不符。試驗結果并示出:应力应变关系对复杂加載的敏感性似与变形的塑性程度有关:塑性程度愈大时,复杂加載下的实际应力应变关系对形变理論中各項基本假定的偏差似也愈大。

The paper gives a general review on the present status of stress-strain relations in the theory of plasticity. They are roughly grouped under four headings, viz. incremental type stress-strain relations for perfectly plastic solids; deformation type relations; linear incremental type relations for work hardening plastic solids; slip theory and non-linear type relations. Important experiments related to these theories are also mentioned. The connections between these theories are...

The paper gives a general review on the present status of stress-strain relations in the theory of plasticity. They are roughly grouped under four headings, viz. incremental type stress-strain relations for perfectly plastic solids; deformation type relations; linear incremental type relations for work hardening plastic solids; slip theory and non-linear type relations. Important experiments related to these theories are also mentioned. The connections between these theories are discussed.

為了要展開塑性力學各方面的研究工作,對於塑性應力應變理論的深入了解是有必要的。這樣可以使應用理論時易於選擇簡單而適當的理論,並且有助於進一步進行关於塑性應力應變关系理論的研究工作。 本文對於室溫下主要的塑性應力應變關係的理論方面和實驗方面作了一個簡單的介紹。包括屈瑞斯加(Tresca)的屈伏條件,生文南(Saint-Venant)、勒維(Lévy)、米塞司(von Mises)、普朗脱爾-勞埃斯(Prandtl-Reuss)、汉基(Hencky)、納達依(Nadai)、依留辛(形變)、普拉格(Prager)、漠得門-林-普拉格(Handelman-Lin-Prager)、普拉格-杜勒格(Prager-Drucker)、巴道爾夫(Batdorf)和布第揚斯基(Budiansky)、考依脱(Koiter)、珊特司(Sanders)、依留辛(增量)等理論。此外還對有關理論的各種主要实驗結果作了簡單的報導。最後並討論了各種類型理論的相互间之關係。

In this paper, the problem of snapping of a infinitely long curved sandwich panel under external uniform pressure, induced by creep, is discussed. We suppose that the deformation of panel before buckling is symmetrical. The determination of the critical condition of snapping is reduced to an eigenvalue problem. The critical condition isfor the case of ζ2 > 3n (antisymmetrical snapping), and the critical condition isfor the case of ζ2 < 3n (symmetrical snapping).The critical lifetime of panel snapping is calculated...

In this paper, the problem of snapping of a infinitely long curved sandwich panel under external uniform pressure, induced by creep, is discussed. We suppose that the deformation of panel before buckling is symmetrical. The determination of the critical condition of snapping is reduced to an eigenvalue problem. The critical condition isfor the case of ζ2 > 3n (antisymmetrical snapping), and the critical condition isfor the case of ζ2 < 3n (symmetrical snapping).The critical lifetime of panel snapping is calculated approximately. The general stress-strain relation assumes the formIt is shown that, in the most practical condition, a satisfactory approximation of lifetime can be obtained by neglecting the elastic part of deformation and the higher power of the nondimcnsional moment. Thus we obtain a very simple formula as following:

本文討論了长圓柱形夹层扁壳在法向恒定均布压力作用下由于蠕变引起的跳跃問題。认为扁壳形状完全規則,在跳跃发生前的变形是对称的,并設壳体各部分处在同一溫度状况下。本文将确定跳跃临界状态的問題和計算到达此状态的临界时間的問題分别考虑。将前一問題归結成为寻求一个最小的本征值,因而在一些情况能精确地确定发生跳跃的临界状态。計算第二問題时,我們采用了蠕变的流动理論,同时略去了弯矩的高次項及弹性变形。文內对这种近似步骤还作了簡略的分析。

 
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