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静力
相关语句
  static
    Study on Static Contact Behaviors and Dynamical Characteristics of Wedge-Ring Connection Structure
    楔环连接结构静力接触行为与动力学特性研究
短句来源
    FINITE-POINT METHOD OF STATIC ANALYSIS OF PLATES AND SHELLS
    板壳静力分析的有限点法
短句来源
    On the Static Stability and the Free Vibration of a Simply Supported Cylindrical Shell Patrtially Filled with Liquid under an Axial Static Pressure
    部分充液简支圆柱壳体轴向静压下的静力稳定性和自由振动
短句来源
    Correspondence Principle Relating Nonlinear Viscoelastic Quasistatic Problem and Nonlinear Elastic Static Problem
    非线性粘弹性拟静态问题与非线性弹性静力问题对应原理
短句来源
    On Dynamic Relaxation and Its Application to Static Analysis of Tension Structures
    动力松弛法在张拉结构静力分析中的应用
短句来源
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  static force
    A method for static force analysis of light gauge sheet with variable thickness
    变厚度薄板静力分析的一种方法
短句来源
    Spline Subdomain Method of Static Force Analysis of Reticulated Shells
    网壳结构静力分析的样条子域法
短句来源
    Comparing the static force analysis results of a missile wing with the experimental results show that the proposed model can meets the requirement for the structural design accuracy.
    通过对某型反坦克导弹弹翼进行静力分析和实验比较 ,表明采用这种模型进行分析合乎结构设计精度要求
短句来源
    Frequencies of the simple propping square plate in vibration by using defletion of the static force were determined,and the frequencies formula for the simple propping square plate in vibration for dispersed and consecutive system were obtained.
    利用静力挠度很方便地确定了简支方板作自由振动时的频率。
短句来源
    Many methods, e.g. static force method, moment method, sub-region method and least square method, have been us ed to g et the critical load.
    求压杆临界载荷的方法很多 :有静力法、矩量法、子域法、最小二乘法 .
短句来源
  the static force
    Comparing the static force analysis results of a missile wing with the experimental results show that the proposed model can meets the requirement for the structural design accuracy.
    通过对某型反坦克导弹弹翼进行静力分析和实验比较 ,表明采用这种模型进行分析合乎结构设计精度要求
短句来源
    Frequencies of the simple propping square plate in vibration by using defletion of the static force were determined,and the frequencies formula for the simple propping square plate in vibration for dispersed and consecutive system were obtained.
    利用静力挠度很方便地确定了简支方板作自由振动时的频率。
短句来源
  “静力”译为未确定词的双语例句
    New Plate and Shell Finite Elements Based on the Static-Geometric Analogy
    基于静力—几何比拟理论的新型板壳有限元
短句来源
    APPLICATION OF CUBIC SPLINE FUNCTION IN STATICS CALCULATION OF BEAM
    三次样条梁函数在梁的静力计算中的应用
短句来源
    The Method of Transfer Matrix on Statics and Free Vibration Analyses of Plane Frame with the Branch Structure
    具有分支结构的平面刚架静力及自由振动分析的传递矩阵法
短句来源
    The Transfer Matrix Method of Analysis on Statics to Rigid-Framed Structure
    刚架结构静力分析的传递矩阵法
短句来源
    Stability Analysis on the Lee Slope of Dune
    沙丘背风坡的静力稳定性分析
短句来源
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  static
Finally, the comparative static analysis and the model's simple application are given.
      
X-5 resin, with higher adsorption and easier desorption of naringin, was selected from five kinds of macroporous resins through static adsorption and desorption experiments.
      
The static maximum adsorption capacity of naringin is 32.6 mg/g with naringin concentration at 2.7 g/L, while the dynamic adsorption capacity of naringin is 23.8 mg/g with naringin extract flow rate at two times that of resin volume per hour.
      
According to Swapping technique, we develop two filters and convert dynamic parametric models into static ones to which the gradient update law is designed.
      
Nonlinear optimal predictive controller for static var compensator to improve power system damping and to maintain voltage
      
更多          
  static force
The translational velocity of small droplets is studied as a function of the level and frequency of vibration acting together with a static force on the droplet-capillary system.
      
The experimental data are analyzed based on the concept of changes in the state of impurities present in silicon and in the corresponding dynamic and static force fields.
      
The static force in background perturbation theory
      
The static force FB(r) and the strong coupling αF(r), which defines the gluon-exchange part of FB(r), are studied in QCD background perturbation theory (BPT).
      
The static force of friction between two bodies moving in a random potential and coupled by a randomly oscillating bond is studied as a function of the oscillation amplitude.
      
更多          
  the static force
The static force in background perturbation theory
      
The static force FB(r) and the strong coupling αF(r), which defines the gluon-exchange part of FB(r), are studied in QCD background perturbation theory (BPT).
      
The static force of friction between two bodies moving in a random potential and coupled by a randomly oscillating bond is studied as a function of the oscillation amplitude.
      
The resiliency of the carpets piles after eliminating the static force, were measured and plotted against time, in logarithm scale, too.
      
The static force sensitivity of soleus tendon organ (Ib) afferents has been studied by noting their responses to graded force development produced by isometric contractions of either the whole muscle or single motor units.
      
更多          


In previous investigations exact yield conditions for axisymmetric shells are given in terms of four generalized stresses, n1, n2, m1, m2, In the present paper, the intensity of membrane stress, n, and the intensity of bending moment, m, are used to give the statical and kinematical yield surfaces for materials that obey the maximum shear stress criterion.The statical yield surface isThe kinematical yield surface isWhen the statical yield surface is multiplied by a factor 1.31, it becomes another kinematical...

In previous investigations exact yield conditions for axisymmetric shells are given in terms of four generalized stresses, n1, n2, m1, m2, In the present paper, the intensity of membrane stress, n, and the intensity of bending moment, m, are used to give the statical and kinematical yield surfaces for materials that obey the maximum shear stress criterion.The statical yield surface isThe kinematical yield surface isWhen the statical yield surface is multiplied by a factor 1.31, it becomes another kinematical yield surface.Applying these surfaces to the cases of the hinge-supported and the built-in spherical caps under uniform radial pressure, we obtain better upper and lower bounds for the collapse load than those given in [4]. It is interesting to note that the collapse load for the spherical cap depends essentially only upon one shell parameter. Upper and lower bounds for the case of movable hinge-supported shallow spherical shell are also given.

文献[1—3]已给出了轴对称旋转壳以四个广义内力n_1,n_2,m_1,m_2表达的精确屈服条件.本文对服从最大切应力准则的壳,给出了以膜力强度和力矩强度表达的静力屈服面n~2+m=1和机动屈服面2(n-1/2)~2十m=1,机动屈服面不超过静力屈服面的1.31倍.本文还应用这两个屈服面计算了受均布法向载荷作用下的简支和固定边球壳的极限载荷,改进了文献[4]给出的上下界.从给果中发现了球壳的极限载荷基本上只与一个壳体参数有关.最后还给出了周边简支可移的扁球壳极限载荷的上下界.

For the first time the exact solution for the dynamic vertical surface displacement of the homogeneous, isotropic, elastic half-space under a vertical harmonic point load is presented in stead of the solution of H. Lamb, published in 1904. In contrast to Lamb's solution of integral representation, this paper made use of Heaviside step-har-manic function H(t)eiωt and obtained the exact solution.This solution corresponds to the well-known Boussinesq's solution in statics. Ee-sults obtained by this exact solution...

For the first time the exact solution for the dynamic vertical surface displacement of the homogeneous, isotropic, elastic half-space under a vertical harmonic point load is presented in stead of the solution of H. Lamb, published in 1904. In contrast to Lamb's solution of integral representation, this paper made use of Heaviside step-har-manic function H(t)eiωt and obtained the exact solution.This solution corresponds to the well-known Boussinesq's solution in statics. Ee-sults obtained by this exact solution are compared with that of the approximate solution. This exact solution might serve as a criterion for the range of validity of the existing approximate solution. In addition, the rationality of one of the conclusions on this topic drawn by D.D. Barkan is discussed.

Lamb在1904年得到了半无限体表面在竖向集中谐和力作用下位移的积分形式解。本文不利用Lamb解,而利用突加谐和力作用下的解,首次找到了Lamb问题的精确解,此解与静力弹性理论中著名的Boussinesq解相对应。与已有的近似解进行了对比,还指出了近似解可用范围以及Barkan结论中的不合理性。

A stiffness matrix of rectangular element with 12 parameters for orthotropic plateunder bending and shear effects is derived from the concept of partial strain energy appro-ximation.To calculate the approximate value of strain energy of the element,differentshape functions are used for different terms.The basic shape functions,in which the ratioof bending stiffness to shear stiffness D/C is included,are obtained from a consideration ofdisplacements of a beam,in which the shear strain effects are considered.Therefore,thestiffness...

A stiffness matrix of rectangular element with 12 parameters for orthotropic plateunder bending and shear effects is derived from the concept of partial strain energy appro-ximation.To calculate the approximate value of strain energy of the element,differentshape functions are used for different terms.The basic shape functions,in which the ratioof bending stiffness to shear stiffness D/C is included,are obtained from a consideration ofdisplacements of a beam,in which the shear strain effects are considered.Therefore,thestiffness matrix so obtained is applicable to plates with various values of shear stiffnessincluding thin plates as a limiting case of C→∞.The stiffness matrix is expressed inexplicit form so it is easy to use.The calculations of typical static and dynamic problemshowy that it behaves quite well.

本文应用应变能分项插值的概念推导了一种具有12个参数的考虑剪切变形的正交各向异性矩形平板元素的刚度矩阵,在计算应变能的近似值时,对不同的项采取了不同的位移函数.基本的位移函数是根据考虑剪切变形的直梁的位移得到的,其中包含了弯曲刚度与剪切刚度的比值D/C,因此得到的刚度矩阵对各种剪切刚度值直至薄板(C→∞)都能应用.刚度矩阵以显式表示,使用方便.对典型问题的静力、动力计算表明结果是良好的.

 
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