如果使用弹性基础,则基础的动力放大系数将减少98%左右,可避免基础与半速汽轮机组产生共振。
If a spring foundation is used, comparison shows that more than 98% of the power amplification factor will be reduced by the spring elements.
用半无限大导热理论对瞬态导热过程进行换热系数求解。
The heat transfer coefficient is obtained by solution of semi-infinity heat conduction theory.
对两种不同控制律下变刚度半主动控制结构的地震影响系数进行了比较和分析。
Seismic influence coefficients of structures with active variable stiffness (AVS) systems, corresponding to two different control laws, are compared and analyzed.
利用六个动力系数来刻划半联轴器的力学行为,建立了轴承—转子—齿轮联轴器系统的弯扭振动力学模型。
The dynamic behavior of a half coupling is described by six coefficients, and the vibration model of bearing rotor system with a gear coupling is developed.
并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
绉效应系数,被定义为表面几何结构参数,即纬线的波高、纬密和纬线单位长度中的半波数的乘积。
Crepe effect coefficient is defined as the product of the surface geometric structural parameters, i. e, amplitude of weft, density of weft, and number of wefts in unit length.
通过对构件转角-位移方程的修正,推导了半刚接梁单元线刚度修正系数。
Through revising the equation of rotation-displacement, the revised factor of the line rigidity of beam with semi-rigid connections is derived.
提出精细积分半解析法求解变系数的以超孔压和孔隙比为控制变量的渗压固结微分方程。
A precise time step integration method was proposed to solve the finite strain osmotic consolidation equation with varied coefficients.
借此制成一种电阻的温度系数为正、工作温度较高的半导电电缆料。
Thereby a semiconductive material has been developed with positive temperature coefficient of resistivity and with higher operating temperature for cables.
应用样条半解析法求解非均质粘弹性地基的动力柔度系数。
A semi analytical procedure for determining the dynamic flexibility coefficient of the three dimensional viscoelastic non homogeneous foundation is developed.
当该矩阵的安全系数在形心处最小时,运用二分法将控制收敛矩阵尺寸减小一半进行计算,直到满足要求为止。
When the safety factor of the centroid is the minimum, the dimensions of the matrix lets up the half by dichotomy to precede the calculation until satisfy the request.
本文首次系统地对多种半线性问题,研究了插值系数有限元的超收敛性,获得了比较完整的结果。
For the first time this paper makes a systematic study about superconvergence of interpolated coefficients finite element method for many semilinear problems and obtains rather integrated results.
在响应变量随机缺失时,研究了半参数变系数模型响应变量均值的借补估计。
We develop imputation estimators of mean of responses for semiparametric varying-coefficient model with response variables missing at random.
说明:半定规划内点法数据整理交直流系统统一无功优化算法,系数矩阵的确定。
Interior point method for semidefinite programming data collation ac and DC systems unified reactive power optimization algorithm to determine the coefficient matrix.
利用系数矩阵和极大项,证明了这类李代数是半单李代数且没有二维交换子代数。
Using the notion of coefficient matrix and maximal element. We prove that the Lie algebra is semi-simple and it has no abelian two dimensional subalgebra.
在总结前人研究成果的基础上,完善了半解析方法的解释理论和机理,建立了示踪剂测试半解析方法体系数学模型。
On the basis of the former study results, the theory and mechanism of semi-analytical interpretation were improved, and a semi-analytical mathematical model for tracer test system was developed.
通过分别移动基底、地表水平面和位于基坑高度一半处的水平面上的三个几何控制点,寻找到边坡最危险滑移面并计算出对应的稳定性安全系数。
The slip surface is searched through moving the three geometric control points on the ground surface, the bottom of excavation and the surface at half of the height of the excavation, respectively.
虽然碳酸盐岩油藏大约占世界油气储量的一半,但是碳酸盐岩油藏比碎屑岩油藏表现出更低的采收率系数,。
While they already contain around half of the world's hydrocarbon reserves, carbonate fields still exhibit lower recovery factors than clastic fields.
通过三维光弹实验测定了轴表面横向半椭圆裂纹的应力强度因子(SIF),并计算了与光弹轴裂纹几何及当地应力相对应的无限大体的SIF,从而求得SIF修正系数。
The SIF and its correction factor of the transverse surface semi-elliptic crack of a photoelastic axle are tested and studied with the method of three dimensional photo-elastics.
提出一种利用关系数据库系统在一般图结构的半结构化数据上进行近似查询的途径。
An approach to approximate querying of general graph structured semistructured data is proposed based on a relational database system.
第二章研究汽车驱动桥半轴疲劳破坏机理,在零件疲劳损伤理论和程序载荷谱处理技术基础之上给出路面强化系数模型。
In chapter 2, the fatigue mechanism of automobile half shaft is studied; and intensified coefficient model based on fatigue failure theory and programmed load spectrum technology is also provided.
根据该方法,相对过阻尼系数能够表示成检波器响应曲线的半峰高宽度和检波器自然频率乘积的线性函数。
According to the method, the relative overdamping can be expressed in a linear function of the product of the width of half peak of the response curve by the nature frequency of the geophone.
结果表明电子的透射系数随外环半长及两个气泡半周长的改变均做周期性振荡。
We found that the transmission of electrons oscillates periodically with the change of ring's half length or two bubbles' half circumferences.
设计一种新型半管均速管,并根据伯努利方程、连续性方程建立均速管仪表系数的数学模型。
A new half-tube averaging pitot tube is designed, and based on the Bernolli equation and continuity equation, a mathematics model is established.
导出了用天线方向图的半功率波束宽度快速计算口径天线方向性系数和增益的简单表达式,分析讨论了这些公式的应用范围。
The simple formulae of fast calculating aperture antenna directivity and gain are derived using antenna beamwidths. Applied range of these formulae are analyzed and discussed.
现今规范中的双向压弯构件的稳定验算公式中的弯矩放大系数都是套用平面内的弯矩放大系数,它是建立在有限的试验基础上的,是一个半经验半理论的设计公式。
The current biaxial bending design formula always use the moment magnifier factor of in plane bending, which based on finite tests data, it's a semi- theoretical -semi-experience formula.
探讨了半刚性连接对框剪结构中剪力墙位移系数、弯矩系数、剪力系数和框架剪力系数等的影响;
The formulas to calculate the mentioned parameter for semi-rigid frame-shear wall structure are deduced by introducing eduivalent area moment of inertia .
本文给出的半正定二次型的若干判别方法及半正定对应系数矩阵的一些相关性质。
The paper gives a number of methods for differentiating half positive definite quadratic form and some relevant properties in respect to half positive definite corresponding coefficient matrix.
本文给出的半正定二次型的若干判别方法及半正定对应系数矩阵的一些相关性质。
The paper gives a number of methods for differentiating half positive definite quadratic form and some relevant properties in respect to half positive definite corresponding coefficient matrix.
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