查询词典 infinitesimal deformation

Research on improved AR model and its application to simulation and prediction of vertical deformation ;2. The vertical deformation of the Three Gorges area was calculated according to the Farrell s globosity deformation theory.

根据三峡地区的数字高程模型，模拟三峡二期工程蓄水位达到 135m后的水体负载，利用Far rell提出的质量负荷产生的地球形变理论，推算三峡水库水位达到 135m后整个库区的垂直形变，与三峡库区GPS形变监测网获得的蓄水前后的垂直形变图像进行对比分析，结果显示：在三斗坪巴东库段，两者中都出现了 3个相同的、明显的垂直形变集中区。

The results indicate that the flow stress of the alloy increases with increasing strain rate and decreasing deformation temperature. The flow stress increases with increasing strain until the stress reaches the peak value, then the flow stress remains constant, which indicates that dynamic recrystallization happens during deformation. The flow behaviors are described by the hyperbolic sine constitutive equation, and the activation energy calculated is 337.75 kJ/mol. The as-forged microstructure consists of refined α2/γ and γ grains, and the grains are much homogeneous than before. The B2 phase distributes uniformly at the grain boundary of α2/γ and γ grains. The B2 phase decreases with increasing deformation temperature.

结果表明：流变应力随着应变速率提高和变形温度降低而增大；在变形过程中，流变应力随着变形量增大而增大，当流变应力达到峰值后趋于平稳，表明合金在变形过程中发生了动态再结晶；热变形过程的流变应力可采用双曲正弦本构关系来描述，平均激活能为337.75 kJ/mol；从合金的组织演化过程中可以看出，合金中不均匀的原始组织得到明显均匀化，变形后的组织是由α2/γ层片晶团和γ晶粒组成的双态组织，在α2/γ层片晶团和γ晶粒的晶界交界处发现分布均匀的B2相，并且随着变形温度升高B2相数量逐渐减少。

Based on investigating the short and intermittent structural plane, surrounding rockmass of the huge underground powerhouse in Three Gorge has been divided into five statistical similar areas according to its characteristic of rockmass structure by applying structure plane network simulation. Distributed characteristic of structural plane has been studied and based on it mechanics macrocharacteristic has been studied:(1) It is the first time that based on the result of structural plane network simulation rockmass quality of every structure area has been studied with applying blurred information optimum seeking technique and be compared with and RQD method. The result indicated that it has better effect to evaluate rock quality with blurred information optimum seeking technique.(2) It is the first time that the interrelated relationship of the result of in-suit rockmass deformation test and fractal characteristic of structure on test point has been applied to determine rockmass deformation parameter. The question of evaluating deformation parameters of engineering rockmass has been solved.(3) Anisotropy strength parameters have been determined by applying shear zones simulating method. The result indicated that there are different strength parameters in every structural area, after comparing the result of Fast Lagranian Analysis in continua number simulation method with that of method of weighted mean according to continuity. The result indicated that when a suitable reduction coefficient is been considered rockmass strength parameters can be simply and fast determined with method of weighted mean according to continuity where there is not enough test result.(4) Damage characteristic has been studied based on analysis fractal characteristic of structural plane network by applying fractal-damage coupling method. It is the first time that the concept of damage degree has been set up to evaluate rockmass quality according to the biggest principal damage.

通过对短小、断续性结构面统计特征的研究，将地下厂房区划分为五个岩体结构统计均质区，应用结构面网络模拟技术研究了各个岩体结构均质区结构面的发育分布特征，并以此为基础对岩体宏观力学特性进行了深入研究：(1)首次通过在结构面网络模拟计算结果的基础上，应用模糊信息优化技术研究了厂房区各个岩体结构分区的岩体质量并与岩体基本质量指标研究法、岩体质量指标RQD值研究法作了对比，结果表明以结构面网络模拟结果为基础，应用模糊信息优化技术进行岩体质量评价能够取得很好的效果，解决了工程岩体质量的定量评价问题；(2)首次通过对已有的现场大型岩体变形试验结果的分析及相应试验点岩体结构分形特征的研究，建立了结构面分布的分形维数和岩体变形指标间的相关关系，并首次应用这种相关关系根据结构面网络模拟及分形维数计算结果确定了缺少试验结果的地下厂房各工程部位的岩体变形指标而且应用于围岩稳定性计算，解决了工程岩体宏观变形参数的评价问题；(3)应用在结构面模拟网络图上模拟岩体剪切破坏带的方法，得出了岩体在不同方向上的强度参数，结果表明岩体的强度特性与结构面的发育方向和程度有着明显的关系，各个岩体结构均质区具有不同的强度参数；同时还通过应用拉格朗日差分法对岩体强度指标的数值分析并与按连通率加权平均计算法对比表明，按连通率加权平均计算法在考虑合理的折减系数情况下，可以简单快速地对缺少现场大型试验结果的具体工程部位实现岩体强度指标的估计，通过以上研究解决了工程岩体抗剪强度参数的评价问题；(4)通过结构面网络分形维数的研究，应用分形损伤耦合分析方法，研究了厂房区岩体的损伤特征，并首次引入"损伤度"的概念，建立了应用最大主损伤评价岩体质量的指标体系。

A continuum model was established by introducing Newton stress formula into the elastic-plastic model to describe the deformation behavior of material in bonding zone. Based on the model, the mechanism of plastic deformation and the influence of detonation velocity on plastic deformation were analyzed and compared with experiments.

该文引入牛顿应力公式到弹塑性模型，以近似描述结合区材料行为，建立了连续介质模型，对波状结合区的塑性变形及爆轰速度对塑性变形的影响进行计算分析，并与试验结果对比。

Lightweight steel frame structure; structural ultimate bearing capacity; second order nonelastic analysis; shearing deformation; lateral-torsional deformation; warping deformation; joint semi- rigidity connection; neural network BP; Genetic Algorithm arithmetic

轻型钢框架结构；结构极限承载力；二阶非弹性分析；剪切变形；侧扭变形；翘曲变形；节点半刚性；神经网络BP算法；遗传算法

It is believed that wear is causedby protuberant deformation at middle of the segments and that thermal deformation is the main factorto cause deformation of the segments.

推力瓦的热变形主要是由三个分量组成：瓦体与瓦面线胀系数不同引起的热变形，瓦厚度方向温差引起的热变形和瓦面热变形。

On the basis of nonlinear FEA code ANSYS/LS-DYNA, rail rolling process of universal rolling unit were simulated by 3D large deformation thermal-mechanical coupled elastic-plastic FEM. And the deformation shape of the work piece, deformation parameters and cross dimensions for each pass were obtained and stress,stain distribution and metal flow in rolling process of typical passes were analyzed in detail. Analyzed typical pass stress and strain distribute, rolling stress and deforming in universal pass last groove in detail,discussed the effect regularity of residual stress distribution and size to safely using rail, detailed to expound universal pass to railhead tread circular arc process.

本文基于ANSYS/LS-DYNA非线性显式有限元软件，以60kg/m的重轨为研究对象，采用全三维弹塑性热力耦合的有限元方法研究了重轨在万能轧机组中的变形过程，得到了轧件在孔型中的延伸情况、各道次轧件的变形参数，分析了典型道次的应力、应变分布，并详细分析了全万能成品孔型中轧件受力和变形情况，讨论了残余应力的分布及大小对钢轨安全使用的影响规律，详细地阐述了全万能成品孔型对轨头踏面圆弧的加工过程。

The graben geomorphic characteristics of Northern Xiqiangtang and Changjiang Riverhead depressions are obvious, whereas the Huanghe Riverhead and Ruoergai depressions are of relatively low development degree. However, they are products of the east-west geomorphic extensive deformation, and the dynamic background of the deformation is the same as that of the continental tectonic deformation of Qinghai-Tibet plateau.

其中西羌塘北部坳陷和长江源坳陷的地堑式裂陷地貌特徵明显，而黄河源坳陷和若尔盖坳陷发育程度较低，但它们均是在青藏高原大陆构造变形的统一动力学背景下，地貌发生东西向伸展变形的产物。

Supracrustal sequences free of early strong deformation The early deformation of Jingangku formation complex of Hengshan Wutai group complex has formed a bedding parallel S〓 gneissic and schistosity, occasionally bedding parallel recumbent folds in layers. The early deformation of the near-horizontal ductile shearing isn't very strong in Wutai group complex. The orientation of shear movement is NNW—SSE.

经受早期强烈变形的表壳岩系岩系恒山五台岩群金岗库岩组和五台山五台岩群最早期的变形是平行地层层理的S1片麻理和片理，偶见层内的顺层掩卧褶皱，这些早期近水平韧性剪切变形在五台岩群大都不甚强烈，对地层层序的扰动也很弱，剪切运动方向是北西西——南南东向的。

In order to study the stability of stratified rock slope in Zhu-Cheng road and its reinforcement method, the potential deformation and slipping mechanism of slope were analyzed using insitu-investigation and stereographic projection analysis method. The numerical calculation model for stratified rock slope was founded with UDEC software. The deformation of rock mass was analyzed in the excavation procedure, and the long-short compound bolt reinforcement structure was proposed according to the deformation failure mode of stratified rock slope.

摘 要：为了研究竹城公路层状岩质边坡的稳定性及防治措施，通过现场调查和赤平投影分析边坡潜在变形滑动机理；利用UDEC软件建立层状边坡数值计算模型，分析开挖过程中岩土体的变形情况；根据变形破坏模式提出层状岩质边坡的长短锚杆交替复合支护结构。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。