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分析数值
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  numberical analysis
     Based on the eaergy equivalent principle, with the stochastic numberical analysis method which was combined with the finite element method and the randotn simulating method, the theoretic prediction method for the ela-stic constants -were provided, the stiffness properties of the boron/epoxy and the graphite/epoxy composites were predicted;
     本文基于能量等效原理,以石墨/环氧树脂、硼纤维/环氧树脂复合材料为例,采用有限元法和随机统计试验方法相结合的随机分析数值方法,进行刚度特性的理论预报。
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  “分析数值”译为未确定词的双语例句
     Jugular venous and radial artery blood was synchronously obtained, blood gases was analyzed,and CEO_2 and Da-jvO_2 were calculated before AHH(T_0), 10min(T_1), 30min(T_2)and 60min(T_3)after AHH was performed.
     在进行高容量血液稀释前(T_0)、稀释10min(T_1)、30min(T_2)、60min(T_3)后四个时点同步抽取颈静脉球部和桡动脉血,测定血气分析数值,计算脑氧摄取率(CEO_2)以及桡动脉—颈内静脉血氧含量差(Da-jvO_2)。
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     Numerical Simulation for Performance Analysis of Complicated Fault block Reservoirs in Block M19,Zhongyuan Oilfield
     复杂断块油藏M19块动态分析数值模拟研究
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     It is found that the material mismatch has a remarkable influence on the cracks interaction and the model I stress intensity factor plays a dominant role in the energy release rate.
     分析数值结果发现 ,材料失配对裂纹间的干涉有很大的影响 ,并且发现在纯I型荷载作用下 ,模型I的应力强度因子在能量释放率中起主导作用 .
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     the values of index of likelihood ratios were between 0.1-10;
     似然比分析数值均介于0.1~10之间;
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     Good agreement between the numerical results of theoretical calculation and experimental measurements is obtained in frequency ranges of 92.6-96.5 GHz (i. e. 3 mm band).
     3毫米频段上92.6—96.5GHz的实验结果,与理论分析数值计算值吻合良好。
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     Numerical calculations are performed and the results are analyzed.
     进行了数值计算及分析
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     Theoretical Analysis of Numerical Filters
     数值滤波的理论分析
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     This paper analyses the development background of g.
     分析了g.
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     H.
     分析了H .
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  numberical analysis
Unsteady-state processes of biological heat transfer are simulated and their numberical analysis is made to find out whether it is possible to determine thermal properties of the kidney by methods of active dynamic IR thermography.
      


Finite Element Technique based on Rayleigh-Ritz idea is used to solve wave propagation in non-homogeneous medium with variable velocities. The ground surface displacement is assumed to have a prescribed value, while those on other boundaries satisfy Dirichlet boundary condition. Variational principle for solving wave propagation is derived under such conditions. The mathematical formulation for numerical solution of one and two-dimensional wave equations by finite element method is studied. Expressions of mass...

Finite Element Technique based on Rayleigh-Ritz idea is used to solve wave propagation in non-homogeneous medium with variable velocities. The ground surface displacement is assumed to have a prescribed value, while those on other boundaries satisfy Dirichlet boundary condition. Variational principle for solving wave propagation is derived under such conditions. The mathematical formulation for numerical solution of one and two-dimensional wave equations by finite element method is studied. Expressions of mass matrices and stiffness matrices for medium with variable velocities are presented. Analysis of calculation results is given. Dynamic characteristics of seismic wave in medium with variable velocities and reflected wave from transition layer are discussed; amplitude attenuation of seismic wave can be ascribed to the vertical velocity gradient in the medium.Numerical solution for two-dimensional model is presented. The proposed technique of numerical solution is supported by calculation results.

为求解变速不均匀介质中波的传播问题,使用了利用瑞雷-里兹法的有限元技术。假定在地面上位移具有给定值,而在其它边界上亦满足狄里赫利边界条件。在这样条件下导出了求解波动方程的变分原理。讨论了一维和二维波动方程有限元数值解法数学原理。对变速介质模型得到了单元质量矩阵和刚度矩阵表达式。分析了数值计算结果,讨论了在变速介质中传播的地震波和过渡层反射波的动力学特征。认为介质中垂直速度梯度的存在是地震波振幅衰减的原因之一。介绍了二维介质模型数值解。计算结果支持所提出的方法。

In this paper, some proposals are suggested for the non-linear analysis of stability in it's own plane of arch bridges by numerical calculation. The results of model tests are also given, some emperical curves and a computer program flow chart are provided for reference.

本文根据对拱桥进行几何非线性与材料非线性分析的数值计算及模型试验的成果,对拱桥面内稳定性计算提出了初步建议;提供了一些可供设计时参考的曲线及确定面内承载力的经验公式;还给出了编制几何与材料非线性分析程序的流程图。

Having analyzed the vacuum tank test results, this paper regards that:For similar obstacles, it is more convenient to use (σ'- σ'_d) as a criterion for each obstacle and it conforms better to the cavitation condition. In calculating cavitation numbers of obstacles, local velocities and pressures are used. On this basis the writer analyzed the experiment results of triangular obstacle and circular arc obstacle obtained by J.W. Holl, and two tentative conclusions are drawn; (1) The principal parameter that affects...

Having analyzed the vacuum tank test results, this paper regards that:For similar obstacles, it is more convenient to use (σ'- σ'_d) as a criterion for each obstacle and it conforms better to the cavitation condition. In calculating cavitation numbers of obstacles, local velocities and pressures are used. On this basis the writer analyzed the experiment results of triangular obstacle and circular arc obstacle obtained by J.W. Holl, and two tentative conclusions are drawn; (1) The principal parameter that affects the incipient cavitation number of triangular obstacle is the relative height △/k. The relation is:σ'_1+C_p=1.13 (△/k)~(0.13) (2) The incipient cavitation number of circular arc obstacles is approximately constant, namely σ'_i+ C_p=0. 75. These are similar to the values given by N. L. Rozanov.

本文通过减压试验认为:对于同类突体,按不同部位突体的σ'-σ'_d(或σ-σ_d)进行空穴发生情况的分析,较符合试验中空穴发生的现象。且以考察点处的流速和压力来估算突体的初生空穴数,用σ'-σ'_i来分析J.W.霍耳两种突体的试验资料,初步得到二点结论:(1)影响他试验中采用的三角形突体初生空穴数的主要参数是相对突起高度△/K,其关系为:(2)他所用的弓形突体的初生空穴数有近似于常数的特σ'_i+C_P=0.75。这与H.Л.罗扎诺夫试验及保角变换的理论分析数值相近。

 
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