有鉴于此,对桥梁结构进行抗震分析时,有必要着重考虑碰撞效应对其地震动响应的影响。
Keep this in mind, it is necessary that consider the effect of the collision on the seismic response of the bridge in the seismic analysis of the Bridges.
本文从离子动力学方程出发,利用LB碰撞模型研究了离子-离子碰撞效应对前鞘等离子体输运的影响。
By using ion kinetic equation, the influence of ion-ion collision effects on the presheath plasma transport is taken into account through the LB collisional model.
在此基础上,应用非线性时程方法研究了纵向地震作用下连续梁桥相邻联的非同向振动和伸缩缝处的碰撞效应。
This model was used to investigate the out-of-phase vibrations and pounding effects of adjacent girders at expansion joints by the nonlinear time-history analysis method.
“我的最佳猜测是,这种现象是二次效应,就是说这些鸟很可能是在被一辆汽车或卡车碰撞后又再次迅速的撞地而亡。”她说。
"My best guess is that this was the secondary effect, that they could have hit the ground very fast after being hit by a car or truck," she said.
你可能可以想象不同的宇宙相互碰撞并留下痕迹和可观察的效应。
It's possible that you could imagine universes bumping into each other and leaving traces, observable effects.
发成碰撞时,通过牵引和张紧安全带圈带,肩带张紧装置补偿安全带松动和胶片卷轴效应。
When a collision occurs, the shoulder belt tightener compensates for "belt slack" and "film-reel effect" by retracting and tightening the belt strap.
彭罗斯认为,这些圆圈是将以前的宇宙窗,留下的碰撞在前面的宇宙黑洞的引力效应背后的球形涟漪。
Penrose believes these circles are windows into the previous universe, spherical ripples left behind by the gravitational effects of colliding black holes in the previous universe.
船舶碰撞过程中,被撞船的刚体运动较之碰撞区的局部损伤变形而言,存在一定程度的滞后效应。
The rigid body motion of a struck ship in collision is delayed to a certain extent, compared with local damage deformation of collision zone.
由试验结果和理论分析得到直接荷电法的机理是尖端效应,电晕荷电法的机理为碰撞荷电。
Experimental results and theoretical work show that the mechanisms of the direct charging and the corona charging are respectively the tip effect and collision effect.
采用粒子网格单元与蒙特卡洛碰撞相结合的方法,建立霍尔效应推力器羽流的二维轴对称模型。
A two-dimensional axisymmetric hybrid particle-in-cell and Monte Carlo Collision model is developed to study the Hall effect thruster plume.
结果表明,等离子体的产生是由于电子束对氦原子的碰撞电离及其雪崩效应引起的。
The generation mechanism of the plasma and its effects on the output microwave are analyzed.
其中采用了电子与离子系统的LS耦合表象,考虑了交换效应,仔细处理了碰撞矩阵元的角部分因子。
The LS coupling representation of electron -ion system is used, the exchange effect is taken into account and the angular factors of collision matrix elements are treated in detail.
在以前文献中,曾从含有经典碰撞项的动力方程出发,研究了波驱动电流的相对论效应。
Relativistic effects of wave - driven current in a plasma have been studied in earlier work employing the kinetic equation with a classical collisional term.
推测形成这种运动方式的原因是造山带闭合时的斜向碰撞和造山带前缘准噶尔地块的透镜体边界效应。
This is attributed to the oblique collision during closing of the belt and the lens-effect of the Junggar massif in front of the belt.
模拟了不同外加电压下几种静电场收集模型的离子引出收集特性、引出时间与屏蔽剥离的关系,以及碰撞和溅射效应。
Ion extraction and collecting character under different voltage, the relation of collecting time with shield stripping, and collision and sputtering effect were simulated.
然而,在核-核碰撞中存在许多不同的核效应。
However, there are many different nuclear effects in nucleus-nucleus collisions.
这种差异性的隆升可能一方面与印度板块和欧亚板块碰撞的远程效应有关,另一方面也是更主要的原因可能受博格达山不同段深部差异性动力学过程所控制。
The difference in the uplifting may be because of collision between the Indian and Eurasian plates and also of being controlled by the processes of dynamics at different depths of Bogeda Mountain.
该效应可用原子簇中原子与靶原子的多次碰撞及运动原子间的碰撞解释。
The effect has been traced to multiple hits by cluster atoms and the collisions between moving atoms.
运用弹性碰撞理论,分析单粒子的冲击效应对飞行器涂层的影响。
The theory on elastic impact was used to analyze the shock effect of single particle, which is the main influencing factor of aircraft coating erosion.
概述了超高速碰撞对空间飞行器的破坏效应,简述了防护超高速碰撞的薄板屏蔽方法。
Both the damage effectives of hypervelocity impact on spacecraft and the thin plate shield method for hypervelocity impact resisting are outlined.
文中根据刚体动力学及动量守恒定理,建立起颗粒–壁面碰撞三维数学模型,并采用此三维数学模型研究了壁面约束效应对细长颗粒流化特性的影响。
The three-dimensional particle-wall collision mathematical models were founded in the light of the kinetic of rigid and the momentum conservation law, and the effects of wall on the f.
基于光电效应原理。我们设计了一个新型脉冲激光光电子枪,它可以作为飞行时间质谱的电子碰撞电离的电离源。
Based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer.
这方程包括改进了的平均场作用,井在二体碰撞中考虑了多粒子的关联效应。
It is an improved BUU equation including the correctional binary collisions with manybody effects.
分析弓形激波后超音速“喷流”的流动结构及其非定常效应的形成机制,提出一种新的激波碰撞干扰流动的非定常形成机理。
The complicated flow structures of an unsteady supersonic jet behind the bow shock are analyzed and a new formation mechanism of the unsteady effect of the shock shock interference flow is proposed.
由此提出滑坡碰撞模式、碰撞构造成分,并对其岸坡环境效应进行了探讨。
In this paper, the collision models and the structural components have been posed out, and its environmental influences on slope are discussed.
针对高速公路广泛使用的波形梁半刚性护栏建立“护栏—汽车”碰撞体系耦合动力学有限元模型,研究护栏立柱对汽车绊阻效应的形成过程,提出解除护栏立柱对汽车绊阻效应的一种有效方法。
A coupling dynamics FEM model of guardrail and vehicle crashing system is built in this paper in accordance with the W-beam semi-rigid guardrail used widely in express way.
然后以应用实体单元焊点模型的算例作为基础模型,研究了材料应变率效应对前纵梁碰撞仿真结果的影响。
The two types of spot weld models using solid element and beam element were applied in the FE modeling of a frontal longitudinal beam in sled crash test.
通过数值模拟研究,指出了静电力作用是低速小粒子被捕集的主要因素,证明了惯性碰撞作用及拦截效应在粉尘粒子被捕集过程中的重要作用。
The simulation study points out that the electrostatic power is considered as the major factor to collect the small particles of low speed and the effect of inertia and the hold up process are impo...
通过数值模拟研究,指出了静电力作用是低速小粒子被捕集的主要因素,证明了惯性碰撞作用及拦截效应在粉尘粒子被捕集过程中的重要作用。
The simulation study points out that the electrostatic power is considered as the major factor to collect the small particles of low speed and the effect of inertia and the hold up process are impo...
应用推荐