查询词典 displacements
- 与 displacements 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The dynamic and static analysis of the tall building with the S-shape shear wall are performed by the general modular technique[1.2] in which the multi-level substructural modular, multi-level maste-slave relationship of the node displacements, and idealization of the structures by means of the equivalence membrane are used.
S形剪力墙结构高层建筑平面形状复杂,特别是长与高相当,不能采用刚性楼板的假定时,其动力与静力分析都是十分困难的。
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Based on the characteristics of the chip we designed to control the hydraulic servo system for the core of this system, control circuit valve using digital potentiometer, through programming, automatic regulation resistance, high AD698 and accurately by an LVDT valve mechanical displacements converted single polarity dc voltage, through the simulation, the design of PID algorithm of closing valves, the degree of control system and superordination machine, realize the valve control circuit of adjustment and control.
基于上述特点我们设计了以单片机为控制核心的液压伺服阀控制电路,本系统采用数字电位器,通过编程自动调节电阻值,采用AD698 与LVDT 配合,高精确地将阀门的机械位移转换成单极性直流电压,通过模拟PID调节算法,设计实现了对阀门开合程度的控制,该系统与上位机进行通信,实现对阀门控制电路的调试及监控。
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Methods: Three out of eight pelvic specimens of cadavers were measured as normal group. then vertically unstable pelvic fractures were produced, and the biomechanical stiffness of internal fixation by sacroiliac screws with four hole LCDC symphyseal plates was tested and compared in the different reductions placement (low displace group and high displace group), the vertical and horizontal displacements of the sacroiliac joint and pubic symphysis were measured.
将8具尸体骨盆随机取3具做压力测试设为正常组,然后制成垂直不稳定骨盆骨折模型,骶髂关节和耻骨联合在移位0~4mm及移位8~12mm行后环骶髂关节螺钉和前环钢板螺钉固定,测量骶髂关节和耻骨联合的垂直和水平移位。
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In this method residual stresses were evaluated using a fracture mechanics approach,that is,the crack opening displacements measured by digital speckle correlation method at a point on the edge of a plate as a rack was introduced and extend from the edge were used to deduce the state of stresses that existed in uncracked plate.
提出一种简便的残余应力检测方法,利用数字相关技术检测裂纹扩展过程中试样表面的变形,应用断裂力学理论计算出残余应力分布。通过梁弯曲对试验结果作了验证并与应变测量结果进行了对比,残余应力的检测结果与理论值标准差为1.28MPa。对淬火和焊接残余应力分别作了检测。实际应用表明所提出检测方法具有准确、高效和使用简便的特点
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Analysis result shows that the dynamic interaction between wheel and rail and the rail-pad force of the strengthened track are little bigger than those of the unstrengthened track,the safety grades of the tracks are same,the strengthened track can benefit to decrease the displacements of all components of track structure obviously,to restrain the deformation of track effectively,and to reinforce the stability of railway,especially the lateral displacement and the gauge enlargement of the strengthened rail are about 33% of original rail.
分析结果表明:强化后轨道结构的轮轨动态相互作用力及轨枕支点压力均较强化前的相应值略大,但皆属相同安全合格等级;强化轨道结构位移大幅度降低,有效抑制轨道结构变形,增强线路稳定性,尤其是钢轨横向位移和轨距动态扩大量较强化前下降十分显著,前者仅约为后者的1/3左右;强化轨道也有利于降低轨下结构振动和减轻列车提速后对轨下基础的破坏。
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Methods:One hundred and six disarticulated human verebrae(C3~C7)were evaluated with computed tomography to determine vertebral bone mineral density.Pedicle screws and lateral mass screws were inserted to the left and right at random.Screws were loaded either axially strictly longitudinal to failure or in a coronal plane strictly perpendicular to the logitudinal axis,the strengths and displacements were recorded.
方法解离C3~C7骨块120个随机分为两组,测量每个椎体骨的松质骨密度,同一节段椎体随机配对置入椎弓根和侧块螺钉,在位移控制下分别测量位移控制下的平均最大拔出阻力和压力控制下的切向弹性与永久位移。
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The main characteristic contents are as follows:(1) Strains, displacements, reaction of soil, natural frequencies and main mode shapes et al are examined in the static and dynamic experiments of slabs on foundation and doweled slabs of concrete pavement.
1进行了混凝土地基板、接缝板的静、动力试验,主要测试内容包括应变、挠度、土基反力、频率、主振型等,从中得出了一些有意义的结论。
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Based on theoretical analysis, a three dimensional non-linear finite element program is developed to examine the effects of alleviating bridge approach differential settlement by emplacing geogrids in the backfill behind bridge abutment. After analyzing the character of stresses and displacements within backfill behind bridge abutments and the interfacial friction action between geogrids and fillings, mechanism of using geogrids to reduce differential settlement is obtained.
在理论分析的基础上,利用有限单元法编制了土工格栅处理路桥过渡段差异沉降的三维非线性有限元程序,并结合工程实例对台背回填的三维性状进行系统分析,研究了铺设土工格栅对台背填土位移场和应力场的影响,分析了土与格栅界面剪应力的大小和分布,从土与格栅的界面作用阐述了减小沉降差的机理。
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Mathematical model of nonlinear vortex-induced vibration was presented for predicting the nonlinear dynamic responses of submerged floating tunnel tethers which were subjected to wave, current and oscillatory displacements at their upper end in horizontal and vertical directions.
建立了水中悬浮隧道锚索在波流场中涡激振动的非线性数学模型,考虑了锚索的几何非线性对其涡激振动的影响,并应用有限差分法求解了锚索的运动控制方程。
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Displacements, strains, the net stresses for the solid phase; pressures, pressure gradients, Darcy velocities for pore water and pore air phases; temperature, temperature gradients, the heat flux of the three phase mixture are interpolated as independent variables.
固相位移、应变和净应力;孔隙水和气的压力、压力空间梯度和Darcy速度;多相混合介质的温度、温度空间梯度和热流量在单元内均为独立变量分别插值。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。