在有限元方法的数值计算中使用应变空间表述的加-卸载准则和本构方程也是很方便的。
In numerical computation by the finite element method it is also convenient to use the loading-unloading criteria and the constitutive equations formulated in strain space.
建立了燃料液滴在高温高压空气中燃烧过程的计算模型和数值方法。
The droplet combustion model and numerical method have been established and droplet combustion process has been calculated by using it.
数值计算表明，这种方法可以降低方程的迭代次数约40%，并明显减少方程的求解时间。
Numerical results present that this method can decrease the number of iterative by 40% and reduce the computation time greatly.
数值计算表明，这种方法可以降低方程的迭代次数约35%，并明显减少方程的求解时间。
Numerical results present that this method can decrease the iterative number by 35% and reduce the computation time greatly.
偿试利用二元光学的方法选择合适数的相位片对光束进行整形，并就高斯光束均匀化为例进行了数值计算。
In the paper, it is attempted to choose suitable slices of phase for beam shaping by use of binary optics, for example, the uniformization of Gaussian beam is calculated numerically.
这种组合预测方法根据以往的全部历史数据，利用数值计算的手段决定组合系数函数中的参数，于是组合系数随时间的推移而变化。
Using all the historical data, this method can decide the parameters of the combinational coefficient function, so that the combinational coefficient varies as the time goes.
本文研究了光场分布的数值计算与数字重构方法。
Numerical computation and numerical reconstruction of optical fields distribution are investigated in this paper.
蒙特卡罗方法可以有效地解决复杂的工程问题，而MATLAB具有强大的数值计算功能。
Monte Carlo method can be used to effectively solve complex engineering problems, and MATLAB has powerful numerical calculation function.
迭代是数值计算中最基本的方法，迭代的加速一直是人们追求的目标。
Iterative method is a basic method of numerical calculation, acceleration for iterate is a target.
本文采用数值计算的方法对液排渣粉煤旋风燃烧器内的流场进行了模拟。
This paper simulates the flow field of the slag swirl burner by the numerical calculation methods.
本文基于Gear方法对齿轮系统非线性动力学微分方程进行了数值计算分析。
Based on gear method, this paper presents the numerical calculation method for solving dynamics differential equations of gear systems.
通过数值计算的方法分析了城市街道峡谷内机动车排气污染物的扩散特性。
The dispersion characteristics of vehicular pollutant within street canyon were analyzed by using the method of numerical calculation.
本文采用相似材料小比尺模型爆炸试验和相应的动力数值计算分析相结合的方法进行研究。
In this subject, the similar material model in small scale is used for the anti-explosion test, which is combined with the corresponding dynamic value calculation analyses.
给出了递推和采用加权因子两种有效方法，减少了数值计算中的误差。
Two effective methods, recurrence calculation and weighting factor, are given for reducing errors in numerical computations.
边界元方法(BEM)是近代计算力学中的一种高效数值方法。
The Boundary Element method (BEM) is a kind of efficient numerical method in modern computational mechanics.
本文简要介绍了复合材料结构的数值计算模型的建立方法。
This paper presented several methods for establishing the model of composite structure by numerical method.
文中给出该数值方法的细节及计算程序框图。
The details of the method and the flow chart of the computer program are given.
研究表明，利用有限差分数值方法进行复杂地电模型的正演计算，计算速度快，计算结果精度较高。
The study shows that limited difference forward method has higher precision and computing speed in Geo-electrical forward modeling.
此方法是用数值计算求解代数方程的比较有效的方法之一，具有一定的理论价值和应用价值。
This new method is of considerable value in theory and application and also is one of the effective techniques for solving algebraic equation by numerical calculation.
在评定由于各个直接测量参数引入的不确定度时，用数值计算的方法计算灵敏度系数。
Calculate the sensitivity coefficient by numerical calculation during estimating the uncertainty that brought by the uncertainty of the direct measurement parameters.
本文用有限分析方法，对带有倾斜基座的CVD反应器内流场进行了数值计算。
Using finite analytic solution we gave the numerical computation of the flow field in CVD reactor with tilted susceptor.
最后我们运用数值计算的方法研究了此系统的动力学演化。
Finally, we study dynamical evolution of this system using the numerical calculation.
数值计算表明，该方法对两目标的柔性加工排序问题是有效的。
The numerical experiments show the effectiveness of the proposed method in dealing with the flexible process sequencing problem with two objectives.
现场改造结果显示，运用数值计算和模化实验相结合的方法对锅炉进行改造，具有广阔的应用前景。
The field retrofitting results show that the combination of cold tests with numerical calculations has prosperous application in retrofitting or renewing medium and small boilers.
用动力分析和数值计算的方法讨论了大气对海温热力强迫的响应。
Dynamic and numerical methods are used to discuss the atmospheric response imposed by SST thermal forcing.
为了与实验结果比较，只能采用数值计算的方法。
In order to compare with experimental results we must use the numerical calculation.
我们可以按数值方法计算简谐振子的位置。
We can work out positions of a harmonic oscillator by numerical methods .
我们可以按数值方法计算简谐振子的位置。
We can work out positions of a harmonic oscillator by numerical methods .
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