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弹性球
相关语句
  elastic sphere
     Based on the equivalent elastic sphere model, the source parameters (seismie moments, stress drops and source dimensions) for small earthquakes, which occurred in and near the source region, as well as the Q values of corresponding paths are determined in terms of analyses of the slopes and the low-frequency components of the spectra of seismic P waves, before and after the Haicheng (海城) earthquake (M= 7.3).
     基于等效弹性球模型,由分析P波波谱的斜率和低频成分,测定了海城地震(M=7.3)前后,震源及其邻近地区内微震震源参数(地震矩、应力降和震源尺度),以及相应路径上的介质品质因子—Q值。
短句来源
     Computation of Transient Acoustic Scattering from Submerged Elastic Sphere in Time Domain
     水中弹性球瞬态声散射的时域数值解
短句来源
     Sound scattering from partially fluid-filled elastic sphere shell at low frequency
     部分充水结构弹性球壳的低频声散射特性
     Method Elastic sphere model embracing incompresive liquid was adopted to study in vitro mechanical properties of zona pellucida of baffalo oocytes by using micropipette aspiration technique.
     方法 根据水牛卵细胞在微管吸吮下的行为 ,作者合理地采用内含无压缩流体固体弹性球壳模型 ,研究水牛卵细胞透明带的力学性质。
短句来源
  “弹性球”译为未确定词的双语例句
     Free Vibrations of Elastic Spherical Shells
     弹性球壳的自由振动
短句来源
     Influences of sound diffraction by elastic spherical shell on acoustic vector sensor measurement
     弹性球壳声衍射对矢量传感器测量影响
短句来源
     Resonance radiation theory of a submerged elastic spherical shell
     水中弹性球壳的共振声辐射理论
短句来源
     Echoes from double elastic spherical shell in water
     水中双层弹性球壳的回声特性
短句来源
     LARGE-SCALE NONLINEAR PROBLEM OF ELASTIC SPHERICAL SHELLS SUBJECTED TO CONCENTRATED LOAD
     集中载荷作用下弹性球壳大范围非线性问题
短句来源
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  相似匹配句对
     THE STRANGE PHENOMENA IN THE COLLISION
     超(弹性)的碰撞
短句来源
     THE CONTACT PROBLEMS OF PLATE PRESSED BY SPHERE
     弹性板的接触
短句来源
     Hard Alloy Sphere
     硬质合金
短句来源
     Sphere of inertia
     惯量
短句来源
     Development of Elastic Impedance
     浅析弹性阻抗
短句来源
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  elastic sphere
On the Role of Surface Forces in Contact Interaction between Elastic Sphere and Hard Surface
      
The works preformed earlier were reviewed briefly, and the new problem of the contact interaction between the elastic sphere and hard surface was formulated.
      
Radial oscillations of an elastic sphere in a compressible fluid
      
Dynamical formation of cavity in a composed hyper-elastic sphere
      
Void formation and growth for a class of compressible hyper-elastic sphere
      
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Based on the equivalent elastic sphere model, the source parameters (seismie moments, stress drops and source dimensions) for small earthquakes, which occurred in and near the source region, as well as the Q values of corresponding paths are determined in terms of analyses of the slopes and the low-frequency components of the spectra of seismic P waves, before and after the Haicheng (海城) earthquake (M= 7.3).The results are that (1) the stress drops for small earthquakes of nearly the same magnitudes, which occurred...

Based on the equivalent elastic sphere model, the source parameters (seismie moments, stress drops and source dimensions) for small earthquakes, which occurred in and near the source region, as well as the Q values of corresponding paths are determined in terms of analyses of the slopes and the low-frequency components of the spectra of seismic P waves, before and after the Haicheng (海城) earthquake (M= 7.3).The results are that (1) the stress drops for small earthquakes of nearly the same magnitudes, which occurred in the source region and along the NE trending fault zone before the Haichang earthquake are higher than those after. On the contrary, their source dimensions before the Haieheng earthquake are smaller than those after. (2) The region of accumulation of strain energy for Haicheng earthquake is larger than the aftershock area. It appears that the movement of NE faulting probably plays an important role in the process of preparation of the Haicheng earthquake. (3) The Q-value around the source region is about 500-600 and very uniform before the Haicheng earthquake; but after the earthquake, there is marked decrease of the Q value in the south-west direction of the epicenter, amounting to about 180.In this paper, we also make a preliminary analysis of the possibility of predicting earthquakes with the use of the source parameters of earthquake swarm, in combination with informations obtained from the characteristic features of the regional geological structure and other precursory phenomena.

基于等效弹性球模型,由分析P波波谱的斜率和低频成分,测定了海城地震(M=7.3)前后,震源及其邻近地区内微震震源参数(地震矩、应力降和震源尺度),以及相应路径上的介质品质因子—Q值。 结果表明:(1)海城地震前,发生在震源区内及沿北东向断裂带上的震级相近的小地震,其应力降高于震后相应地区小震的应力降,与此相应,震源尺度则震前比震后要小。(2)震前沿北东向断裂带应变能积累的范围大于余震分布区域,显示出北东向的构造运动在海城地震孕育过程中起了重要作用。(3)震前,海城地震震源区周围介质强度较高,Q值分布比较均匀,约为500—600;震后,在震中西南方向上Q值明显减小,约为180。 文中还初步提出了分析小震群震源参数,结合区域地质构造的特征,以及其他前兆现象预报未来大地震的可能性。

Based on the method of approximate aualysis suggested in an earlier paper[8], axisymmetrie and nonsymmetric vibrations of spherical shells are studied in this paper. The half subtended angle β of the shell maybe equal to any given value from o to π. Some numerical results are calculated and compared with those given in the current literatures, Simplified formulas for determinning frequencies of vibrations in spherical shells, which are sufficiently accurate for the purpose of engineering design, are also proposed....

Based on the method of approximate aualysis suggested in an earlier paper[8], axisymmetrie and nonsymmetric vibrations of spherical shells are studied in this paper. The half subtended angle β of the shell maybe equal to any given value from o to π. Some numerical results are calculated and compared with those given in the current literatures, Simplified formulas for determinning frequencies of vibrations in spherical shells, which are sufficiently accurate for the purpose of engineering design, are also proposed.

本文借助于用柱面函数近似表示球函数,用近似解析法研究了弹性球壳的自由振动,按准确理论,扁壳理论和薄膜理论计算了轴对称和非轴对称自振频率。所研究球壳的开角可为直至180°的任何值。文内作了数字计算,并和已有计算结果作了比较。在此基础上分析了球壳的自振特性,提出较便于工程实用的频率近似计算公式。

The impact of elastic systems is a complicated nonlinear phenomenon.By an analysisof the fundamental central impact of two elastic solids,we have demonstrated that thisnonlinear impact phenomenon may be linearized,qualitatively and quantitatively with anequivalent spring and an equivalent initial velocity.Thus,the impact problem of elasticsystems may be reduced to an appropriate free vibration initial value problem for a line-arized system for which the general solutions are deduced in this paper.Numerical ex-amples...

The impact of elastic systems is a complicated nonlinear phenomenon.By an analysisof the fundamental central impact of two elastic solids,we have demonstrated that thisnonlinear impact phenomenon may be linearized,qualitatively and quantitatively with anequivalent spring and an equivalent initial velocity.Thus,the impact problem of elasticsystems may be reduced to an appropriate free vibration initial value problem for a line-arized system for which the general solutions are deduced in this paper.Numerical ex-amples show that the method proposed is both simple and efficient.

撞击,若视撞击物为弹性体,属复杂的非线性力学现象.本文从分析最基本的弹性球中心碰撞证实,这一非线性现象在定性和定量上均可用当量初速和当量弹簧加以线性化而把问题化为某线弹性系统的自由振动初值问题.本文导出了后者的通解.实例表明,本法计算简单且有较好精度,为分析弹性系统的撞击响应提供了一个实用方法.

 
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