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friction effect     
相关语句
  摩擦效应
     By comprehensive analyzing the inertia effect and friction effect on the experimental results, a new theoretical model is presented to modify Gorham's formula (1989) for analysis of inertia effect.
     通过综合分析在SHPB系统圆柱形试件的惯性效应、试件与波导杆端面摩擦效应对实验结果的影响,给出一个新的理论分析模型,用以修正Gorham(1989)所得的惯性效应分析公式。
短句来源
     Study on interfacial friction effect in the SHPB tests
     SHPB实验中端面摩擦效应研究
短句来源
     ① The comprehensive analysis of inertial effect of cylinder specimen and interfacial friction effect.
     ① 试件惯性效应与界面摩擦效应的综合分析。
短句来源
     The finite element method of elastic subgrade beam with the contact friction effect considered
     考虑接触摩擦效应时的弹性地基杆系有限元法
短句来源
     Surface disposal was posed to the super-fine wool fiber to make its structure changed,reduce the friction effect.
     应用纳米技术对超细羊毛纤维进行表面处理,以使纤维表面结构发生改变,降低摩擦效应,去除了羊毛的刺痒感,减少了毡化收缩,达到机可洗、抗起球标准;
短句来源
更多       
  摩擦影响
     Quantitative Analysis of Friction Effect on Indentation by Flat Punch into Semi-Infinite Medium
     平冲头压入半无限体摩擦影响定量分析
短句来源
     Numerical simulation of the friction effect during equal channel angular pressing
     等通道转角挤压中摩擦影响的数值模拟
  摩擦作用
     In non-modelcompensation methods, friction effect is regarded as bounded disturbance. Theuncertainty upper boundary is acquired through robust adaptive control method and theeffect due to uncertainties is further compensated.
     非模型的补偿方法将摩擦作用视为外界扰动影响,利用鲁棒自适应控制策略将摩擦视为有界扰动,通过自适应律,不断学习不确定性上界,进而削弱摩擦等不确定性因素的影响。
短句来源
     Through the experiments, the following results were obtained:1. Because of the friction effect between the backfill and the wall of counterfort, the measured lateral earth pressure acting on the wall of slab is greatly different from the calculated value by classic theory (Coulomb or Rankine).
     通过试验,得到如下结果:1.由于回填砂和扶壁壁面之间的摩擦作用,作用在板壁的侧向土压力的实测值与按古典理论(库伦和朗金)计算的土压力值有很大的差别。
短句来源
     The Point-Surface Impact Model Considering the Friction Effect In Flexible Multi body System
     考虑摩擦作用的多柔体系统点—面碰撞模型
短句来源
     2. The friction effect of counterfort ribs causes the lateral earth pressure on the vertical wall to reduce greatly, and the vertical earth pressure on the bottom slabs is also more less than the soil weight pressure on it.
     2.扶壁肋的摩擦作用使得作用在立板上的侧向土压力大大降低,同时作用在底板上的垂直土压力也比其上载压力小得多。
短句来源
     The allohypsic wind, inertial advection and friction effect are the main factors whichinfluence on the ageostrophic wind.
     变高、惯性平流和摩擦作用是影响非地转风的主要因子。
短句来源
更多       
  摩擦力影响
     The paper compares properties between conventional proportional-derivative (PD) controller,general PD type fuzzy logic controller and non-linear fuzzy controller in the same position control system with the high non-linear friction effect.
     对常规控制器、一般模糊控制器以及针对具体系统设计的非线性模糊控制器,在同一个具有非线性摩擦力影响的位置跟踪系统中进行了性能对比。
短句来源
     The simulation experiment applied to the velocity tracking system with high non-linear friction effect shows that the controller proposed is entirely equivalent to the fuzzy neural network controller, and at the same time, it has much less calculation and easier realization.
     应用于具有严重非线性摩擦力影响的速度跟踪系统的仿真实验表明,所设计的控制器完全等价于模糊神经网络控制器,同时在计算量和实现上具有明显的优势。
短句来源
     it is proved that friction effect on pipe size reducing can be ignored, but both the size reducing and wall thickness reducing, the sizing area friction effect on tensile force shall be considered.
     证明管材空拉 (减径不减壁 )时摩擦力影响可忽略不计 ,但减径、减壁拉伸同时进行时 ,定径区摩擦力对拉伸力的影响就必须考虑
短句来源

 

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      friction effect
    We propose that this rapid strengthening is due to a dislocation friction effect arising from the formation of a fine dispersion of Ni-Ti atomic co-clusters during this short aging time.
          
    We propose that this rapid strengthening is due to a dislocation friction effect arising from the formation of a fine dispersion of Ni-Ti atomic co-clusters during this short aging time.
          
    It seems that thermal activation of crystallographic slip systems is necessary for V2O5 films to show a low-friction effect.
          
    The presence of a constant and strong magnetic field, the presence of a constant electric field, and the dynamic friction effect are all taken into account.
          
    A friction effect in low-load hardness testing of copper and aluminium
          
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    The process of the low level shear line formation over China during 17 to 19 June 1960 is investigated by calculating and analysing some of its physical factors. Some dynamical influences of the Tibetan plateau are estimated quantitatively. The orographic friction effect seems to be important for the evolution of the local circulation.Tentative numerical experiments for the formation of shear line are made with one-and three-levels quasi-nondivergent models, starting with ideal and actual initial flow...

    The process of the low level shear line formation over China during 17 to 19 June 1960 is investigated by calculating and analysing some of its physical factors. Some dynamical influences of the Tibetan plateau are estimated quantitatively. The orographic friction effect seems to be important for the evolution of the local circulation.Tentative numerical experiments for the formation of shear line are made with one-and three-levels quasi-nondivergent models, starting with ideal and actual initial flow distributions. The processers calculated are similar to that of the actual shear line formation in the main respects.

    本文内容分两部分: 1.对一次江淮切变线形成过程中一些物理量的演变作了计算并分析,讨论了这些量变化的原因,着重讨论了地形某些动力作用的贡献,作者强调地形边界的摩擦效应对局部环流演变的影响。 2.应用一层和三层准无辐散模式进行了理想的和实际的初始流场的数值预报试验,得到能反映出实际切变线形成过程特点的一些结果。

    Based on the balance of forces acting on interior earth fill of a counterfort structure, this paper proposes a theoretical calculation method of earth pressure on each member (including wall slab, counterfort and bottom slab) when the earth fill behind structure is in the condition of active critical equilibrium. Bacausa ths friction effect of counterfort, earth pressure on the wall slab, in fact,is entirely different from classic theory(Cou-lomb or Rankine) which is used for calculating stability of structure....

    Based on the balance of forces acting on interior earth fill of a counterfort structure, this paper proposes a theoretical calculation method of earth pressure on each member (including wall slab, counterfort and bottom slab) when the earth fill behind structure is in the condition of active critical equilibrium. Bacausa ths friction effect of counterfort, earth pressure on the wall slab, in fact,is entirely different from classic theory(Cou-lomb or Rankine) which is used for calculating stability of structure. The friction effect of counterfort results in a remarkable decrease of the horizontal earth pressure on the wall slab. Meanwhile, the vertical earth pressure on the bottom slab is also less than the overburden pressure. The distribution of earth pressure intensity on the wall slab with depth is non-linear. Results of reducing pressure on wall slab and bottom slab depend oa the mobilized friction force of counterfort face and the distance between two counterforts. Calculation for some data of model tests and field observations indicates the theoretical values calculated by the method in this paper are in general agreement with the measured values on models. In the Steel Wharf of Huang-pu New Port, as an example, the horizontal earth pressure on the wall slab is less about 40% than the classic active earth pressure and the vertical one on the bottom slab about 30% than the overburden pressure when friction between embankment fill and concrete wall is considered as δ=φ/3

    本文从扶壁结构填土的力平衡条件出发,提出了当建筑物后背填土处于主动极限平衡状态或弹性静止状态时作用在各构件(包括立板、肋板、底板)上土压力的理论计算方法。由于肋摩擦的影响,作用在扶壁立板上的土压力与古典的库仑或朗金土压力不同。肋摩擦效应使立板上的水平土压力显著减小,同时底板上的垂直土压力也小于上载压力。土压力强度沿深度的分布是非线性的。对立板和底板的减压效果同肋摩擦的发挥效果以及肋间距的大小有关。从一些模型试验和原体观测资料的验算可知理论计算与实测结果基本相符。以广州黄埔新港钢铁码头为例,当考虑墙摩擦角δ=Ф/3时,立板上的水平土压力可比古典主动土压力约小40%,底板上的垂直土压力可比上载压力约小30%。

    The experimental model was the counterfort used for the second stage project in Huang-pu new port as prototype, and in specified proportion with it to be made a model.During experiment, the sand was filled behind the model, at the same time, earth pressure was measured. Through the experiments, the following results were obtained:1. Because of the friction effect between the backfill and the wall of counterfort, the measured lateral earth pressure acting on the wall of slab is greatly different from the...

    The experimental model was the counterfort used for the second stage project in Huang-pu new port as prototype, and in specified proportion with it to be made a model.During experiment, the sand was filled behind the model, at the same time, earth pressure was measured. Through the experiments, the following results were obtained:1. Because of the friction effect between the backfill and the wall of counterfort, the measured lateral earth pressure acting on the wall of slab is greatly different from the calculated value by classic theory (Coulomb or Rankine).2. The friction effect of counterfort ribs causes the lateral earth pressure on the vertical wall to reduce greatly, and the vertical earth pressure on the bottom slabs is also more less than the soil weight pressure on it.3. The measured earth pressure on upper part and middle part of decline plane at rib back is more slightly increased than Rankine's earth pressure.

    试验模型是以黄埔新港二期工程所用的扶壁作为原型,按照一定的比例进行制作,试验时,在模型的后面填砂,同时,进行土压力量测。通过试验,得到如下结果:1.由于回填砂和扶壁壁面之间的摩擦作用,作用在板壁的侧向土压力的实测值与按古典理论(库伦和朗金)计算的土压力值有很大的差别。2.扶壁肋的摩擦作用使得作用在立板上的侧向土压力大大降低,同时作用在底板上的垂直土压力也比其上载压力小得多。3.作用在肋背斜面上部和中部的实测土压力比朗金土压力稍有增加。

     
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