Through dynamic force condensing, the dynamic matrix of mega-frame is simplified, and corresponding oscillatory differential equation is obtained.
并对在该模型下建立的动力矩阵用动力凝聚法进行简化，推导了相应的振动微分方程。
By deriving balanced differential equation of buried pipeline, adopt finite difference method to analyze and calculate the effect of axial build-in force on pipeline transversely displacement.
推导出埋地管道的平衡微分方程，采用有限差分法分析并计算了轴向嵌固力对管道横向位移的影响。
The method transfers the structural vibration differential equations into algebraic equations and the empirical formulae about fluid force coefficients is put forward.
该方法把结构振动的微分方程转化为振幅与频率的代数方程，并给出了流体力系数的经验公式。
The characteristics of MR damper have been described by a set of nonlinear differential equations including three physical parameters such as displacement, voltage and force.
这种阻尼器的性能可通过一组非线性微分方程来描述，物理参数包括位移、电压和力。
Wood drying shrinkage element introduced in the model may explain the original force of producing drying stress of shrinkage differential of different layers.
在模型中引入与木材含水率密切相关的干缩元件，解释各层的干缩差异是产生干燥应力的源动力。
Principle of the differential method depressing the drift noise is analyzed, the algorithm in the quartz resonant force sensor is offered.
分析了差分方法抑制漂移噪声的原理，提出了相应的处理算法和在石英谐振力敏传感器中应用。
Theaction of the Closed system, the phenomena of the split flow of power and the force in the closed type of differential gear train have been demonstrated.
对封闭式差动轮系进行了受力分析，揭示了封闭系统所起的作用以及轮系中的功率分流和力分流的现象。
In this paper, the equilibrium differential equation including the effects of constant axial force and shear deformation was established for tapered beams.
本文首先建立楔形梁包含轴力和剪切变形效应的平衡微分方程。
Under the regional south-north stress field and the force of differential compaction, the basement rises and forms buried hill.
在区域南北向应力场及差异压实作用下，基底隆起形成潜山型内核。
The effect of differential sliding and elastic hysteresis on the frictional force in the rolling linear guide (LG) subjected to preloading is analyzed.
主要分析差动滑动和弹性滞后等因素对承受预加载荷下的滚动直线导轨副摩擦力的影响，得出了过盈量与摩擦力的关系。
Dynamic differential equation is established with Kane method. The formulas of input torque at each joint and force acting on the ground and the approach to equivalent spring stiffness were presents.
并用凯恩法建立了系统动力学微分方程，推导了跳跃机构各关节输入扭矩和对地面作用力的计算公式，同时提出了确定等效弹簧参数的方法。
The paper analyzes the exciting force on the fixed tube linear motor drive compressor(TLMDC), and provides the concrete body vibration differential equations on TLMDC and its calculating results.
分析了减振固定式直线电动压缩机机体上的激振力，推导了机体的振动微分方程式，重点讨论了理想情况下机体振动微分方程式的具体表达式并对其进行了数值求解。
It is important to note that the sticking force is a product of the differential pressure between the wellbore and the reservoir and the area that the differential pressure is acting upon.
注意到以下这一点很重要：即卡钻力是井内流体压力与地层压力之差与此压差所作用的面积的乘积。
The pressure differential generates a lift force that supports the wafer below the head portion (54) of the wand in a substantially non-contacting manner, employing the Bernoulli principle.
该压力差生成以基本非接触的方式支撑该棒的头部部分（54）下面的晶片的抬升力，其采用了伯努利定理。
A precise formula for equivalent load of prestressing force in curved girder of arc form is derived from the fundamental formulae of differential geometry.
由微分几何基本公式导得圆弧曲线梁中预应力等代荷载的精确公式，预应力钢索在曲梁中竖弯与平弯均较平缓，此时公式可得以简化。
Based on the differential geometry theory, a mathematical model of milling cutter and a generalized 3-dimension nonlinear model of element cutting force are developed in this paper.
基于微分几何理论建立了任意形状铣刀的数学模型，给出适用于任意形状铣刀的三维单元铣削力模型。
Based on the standard basic solution of ordinary differential equation, formulas for computing stresses and lateral deflections of piles under horizontal loading and vertical axial force are derived.
根据常微分方程的标准基本解，本文导出在侧向荷载与垂直轴力作用下桩的内力与侧移计算公式。
The mathematical models of differential pressure transmitter of force-balanced type are presented. The general method of dynamic analysis of the instrument is discussed.
本文建立了力平衡式差压（压力）变送器的数学模型，论述了此仪表动态特性分析的一般方法。
In rotating machines, the cause of the electromagnetic torque is the electromagnetic force acting on differential volume of the ferromagnetic material in magnetic field.
旋转电机中电磁转矩的产生，可以从作用在磁场内磁性物质单位体积上的电磁力出发加以说明。
In the engineering project, negative skin friction is the drag force that will reduce the vertical bearing capacity and cause differential settlement of the structure.
工程中由于负摩阻力产生的下拉荷载不仅使桩竖向承载力减小，还会导致结构物的不均匀沉降。
In the engineering project, negative skin friction is the drag force that will reduce the vertical bearing capacity and cause differential settlement of the structure.
工程中由于负摩阻力产生的下拉荷载不仅使桩竖向承载力减小，还会导致结构物的不均匀沉降。
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