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stress-strain relations
相关语句
  应力应变关系
     DYNAMIC STRESS-STRAIN RELATIONS OF AL ALLOY LF6R AND AL L4R UNDER HIGH STRAIN RATES
     铝合金LF6R和纯铝L4R在高应变率下的动态应力应变关系
短句来源
     Since 1978, a series of papers have been published concerning the variational principles and generalized variational principles in elasticity such as[l](1979), [6](1980),[2,3](1983), [4, 5](1984). All these papers deal with the elastic body with linear stress-strain relations.
     作者自1978年以后,曾发表了一系列有关弹性力学的变分原理和广义变分原理的文章如[1](1978),[6](1980),[2]、[3](1983),[4]、[5](1984),都是指线性应力应变关系的线性弹性体的。
短句来源
     The statistics of broken place of 150 scaled tensile specimens made of A3lowcarbon steel is prasented in this paper. In these tensile tests, the changes of strain at any time as well as the stress-strain relations under constant velocity (400mm/min, 0.5mm/min) have been determined.
     本文统计了150根A3低碳钢比例拉伸试件的断口位置,并测定了常速度拉伸(400mm/min,0.5mm/min)时应变随时间和沿杆长的分布以及应力应变关系
短句来源
     Under the condition that any perfectly plastic stress components at a crack tip are nothing but the functions of only, making use of equilibrium equations, Hill anisotropic yield condition and unloading stress-strain relations, in this paper, we derive the general analytical expression of anisotropic plastic stress fields at the slowly steady propagating tips of plane and anti-plane strain cracks.
     在裂纹尖端的理想塑性应力分量都只是θ的函数的条件下,利用平衡方程、Hill各向异性屈服条件及卸载应力应变关系,我们导出了缓慢定常扩展平面应变裂纹和反平面应变裂纹的尖端的各向异性塑性应力场的一般解析表达式.
短句来源
     The Effects of Asphalt Contents on Stress-Strain Relations of Asphalt Concrete
     沥青含量影响沥青混凝土应力应变关系的探讨
短句来源
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  应力-应变关系
     Effects of Mean Strain on the Random Cyclic Stress-Strain Relations of 0Cr18Ni10Ti Pipe Steel
     平均应变对0Cr18Ni10Ti钢随机循环应力-应变关系的影响规律
短句来源
     Experimental study is performed for the effects of the mean strain on the random cyclic stress-strain relations of the new nuclear material, 0Cr18Ni10Ti pipe steel.
     试验研究了平均应变对0Cr18Ni10Ti管道钢随机循环应力-应变关系的影响规律。
短句来源
     In this paper, a method by the use of the stress-strain relations and the iterative calculation based on the finite element analysis was proposed to reconstruct the elastic modulus distribution from the axial strain distribution of tissues.
     本文提出一种利用组织的应力-应变关系和基于有限元分析的迭代计算方法,从组织的纵向应变分布重建出组织的弹性模量分布。
短句来源
     A research was conducted on pull-out method for determining the root stress-strain relationships of Abies fabric,Rhododendron,populus pordomii,Betula utilis,Sorbus folgneri Viburnum cordifolium,Euonymus chloranthoides etc,A conclusion was reached that pull-out method might determine the stress-strain relations of root system.
     采用抗拔法进行了冷杉、杜鹃、冬瓜杨、糙皮桦、花楸、荚迷、卫矛等7种树木根系应力-应变关系的实验研究,得出抗拔法可以用于对根系应力-应变关系进行检测。
短句来源
     For materials with bilinear stress-strain relations (See Fig. 2),plastic strains expressed in terms of the deflection w will be treated as transverse equivalent loads.
     然后对于双线性应力-应变关系的材料,把塑性应变作为等效荷载,进而化成挠度w的表达式。
短句来源
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  应力—应变关系
     Part 2. Stress-strain relations of steel and concrete after high temperature are chosen.
     第2部分.选择了高温作用后钢管和核心混凝土的应力—应变关系
短句来源
     In view of the fact that the SRC structure is widely applied in the structure of complex stress and big supporting capacity, this thesis has analyzed the commonly used SRC beam and column component stress characteristic, the supporting capacity, the stress - strain relations, the beam and column stress distributed rule and the different concrete intensity rank, different percentage of steel and the section steel different arrangement influence the supporting capacity.
     鉴于目前型钢混凝土结构应用在一些受力复杂、承载力要求较大的结构中,本文分析了常用的型钢混凝土梁柱构件的受力特点、承载力、应力—应变关系、梁柱型钢反力分布规律,分析了不同混凝土强度等级、不同的配钢率及型钢的不同布置对承载力的影响。
短句来源
     Based on laboratory creep tests of soils, the method for analyzing the elastic-visco-plastic stress-strain relations are presented in this paper.
     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。
短句来源
     In light of lots of stress-strain relations, statistical laws and relations between failure strain, deformation modulus and confining pressure, compression strength are also discussed.
     根据大量的应力—应变关系曲线,讨论了水泥土的破坏应变、变形模量等指标与围压、抗压强度间的关系和统计规律。
短句来源
     The nonlinear similitudes between small models and prototypes are set up according to the similarities of stress-strain relations.
     从应力—应变关系的相似特性出发,找出了小比尺离心模型与原型的相关关系。
短句来源
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  “stress-strain relations”译为未确定词的双语例句
     The microforming behavior of Zr_(41.2)Ti_(13.8)Cu_(12.5)Ni_(10)Be_(22.5) bulk metallic glass(Vit.1) in the supercooled liquid region was investigated. The stress-strain relations for Vit. 1 were established in uniaxial compression tests(using) the microforming system.
     采用自行研制的微成形系统进行热压缩实验,分别研究成形温度、成形时间和冲头速度等对尺寸为d1 mm×1.5 mm的Zr41.2Ti13.8Cu12.5Ni10Be22.5块体非晶合金(Vit.1)在过冷液相区微塑性成形性能的影响规律。
短句来源
     3.Based on a series of assumption, create the FEM model, and discuss mesh technology, stress-strain relations, interface contact and calculation methods.
     3.在一系列假定基础上建立有限元模型,并对模型建立过程中的网格剖分技术、材料本构模型、界面接触处理方法及求解过程中的计算方法做了详细阐述。
短句来源
     On the Stress-Strain Relations of NiTi Shape Memory Alloys Experiments and Numerical Simulations
     NiTi形状记忆合金拉伸实验及数值模拟
短句来源
     This thesis proposes a new method to find the stress-strain relations of material in the plastic range based on finite element simulation of the nanoindentation process.
     本文提出了一种基于有限元模拟纳米压痕过程的分析材料塑性性能的方法。 有限元方法可以建立结构模型,输入材料性质和边界条件,求解出结构的应力-应变的分布。
短句来源
     An inhomogeneous hyperelastic model for biological soft tissues with vascular inclusions is established in this paper. The macroscopic stress-strain relations are obtained based on the finite deformation theory and hyperelastic finite element calculations.
     本文建立了含夹杂生物软组织的非均匀超弹性模型, 利用大变形和超弹性有限元法计算了材料的宏观应力-应变关系。
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  stress-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, and also to...

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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