The attenuated law of flow field inside the nozzle block of the air jet vortex spinning is investigated by the method of numerical computation.
通过数值计算对喷气涡流纺喷嘴内部流场衰减规律进行探讨。
The parallel computation method was used for numerical simulation of flow field with moving boundary, and unstructured moving grids were generated by spring analogy method.
将并行计算方法应用于含运动边界流场的数值模拟,采用弹簧方法生成非结构运动网格。
The numerical computations have been made using difference method for difference characteristics and boundary conditions. The computation results show the state features of radon field in space.
针对模型的特点及其边界条件用差分法分别进行了数值计算,结果表明陷落柱氡气场的空间形态分布特征。
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40%,并明显减少方程的求解时间。
The theoretical analysis and numerical results of two typical examples show that this method can decrease the numbers of iterative by30%and reduce the computation time greatly.
两个典型算例的理论分析和实际计算表明,这种预条件方法可以降低方程的迭代次数约30%,明显减少方程求解时间。
Numerical computation indicates that the method has high precision of identification and reliable inversion result, and can be applied to the practical engineering.
数值计算结果表明,这种方法对大坝渗透系数反演问题具有较高的识别精度,反演结果可靠,可以用于实际工程。
The results of numerical experiments, the statistics of speedup ratio and parallel efficiency all show the success of parallel unstructured grid generation method and parallel computation algorithm.
数值试验的结果以及并行计算的加速比、效率的统计,进一步验证了网格并行生成方法以及并行计算算法的有效性。
Because of good applicability and high precision the finite element analysis method has become the preferred method for numerical magnetic field computation of machines.
由于电磁场有限元分析方法具有通用性好、计算精度高的特点,因此成为目前首选的电机磁场数值计算方法。
The numerical simulations of rectangular microstrip antenna show that the computation precision of this method is the same as that of traditional methods.
矩形微带天线的数值模拟表明,这种方法的计算精度与传统方法完全一致。
The numerical computation of the result of vertical - horizontal combined seepage draining system of tailings dam built by up - stream method was studied.
对上游法尾矿坝垂直水平联合排渗系统,排渗效果的数值计算进行了研究。
Some kinds of numerical computation methods are recommended systematically including finite volume method, finite analysis method, finite element method and self-fit mesh method.
本文系统地介绍了数值计算中的各种方法,主要有有限体积法、自适应网格、有限分析法、有限元法等。
The calculating method using relative electrical parameters for the numerical computation of the fourth kind of boundary value problem of potential field is proposed.
本文提出了在位场第四类边值问题的数值计算中应用相对电参量的计算方法。
Numerical results suggest that the method presented can improve the accuracy of computation for scatterers with edges.
数值结果表明:与传统方法相比,该方法可以提高棱边散射体的计算精度。
A numerical computation method of the natural frequency and the loss factor of the sandwich plate with constrained damping layer is given in this paper.
给出了约束阻尼夹层板固有频率和损耗因子的一种有限元计算方法。
The method of asymptotic waveform evaluation (AWE) is a very efficient extrapolation method in numerical computation.
渐近波形估计(AWE)方法是数值计算中一种非常有效的外推方法。
The numerical computation shows that the proposed method is able to identify efficiently the concrete thermal parameters while the measurement errors of temperatures are considered.
数值计算结果表明,在考虑到温度观测误差的条件下,所建立的参数反演方法能够有效地识别出混凝土的热力学参数。
Numerical examples demonstrate that the proposed method can obviously increase computation efficiency and has higher accuracy in both kinds of integration regions.
数值算例结果表明该法能够明显提高计算效率,在显式积分区域和精细积分区域都有很高的精度。
Several method are brought forward in order to improve the computation efficiency of the FEA of sheet forming. The Influence of virtue speed on the numerical simulation is also investigated.
主要介绍了提高板料成形有限元分析计算效率的几种方法,并通过实验研究了虚拟速度对有限元分析结果的影响。
Then the application of finite element method has been carried on effective numerical value analog computation and the design analysing to the gas membrane flow field has been optimized.
然后应用有限元法对气膜流场进行了有效的数值模拟计算及优化设计分析。
Abstract: Several method are brought forward in order to improve the computation efficiency of the FEA of sheet forming. The Influence of virtue speed on the numerical simulation is also investigated.
文摘:主要介绍了提高板料成形有限元分析计算效率的几种方法,并通过实验研究了虚拟速度对有限元分析结果的影响。
A meshless method using the moving least squares approximation is improved and applied to the numerical computation of electromagnetic fields.
本文将无网格算法推广应用于电磁场的数值计算。
The results of numerical computation of finite element method and analogy model test of electric resistance network also indicate the serious effect of anisotropy on the position of saturation line.
有限元计算和电阻网模型试验的结果也表明,坝的各向异性对浸润线的位置有较大的影响。
Monte Carlo Method is a good approach for three-dimensional numerical computation of the sediments in pumping station forebay.
为获得较好的流态,泵站前池中常设有整流底坎、导流墩、隔墩,泵站前池内的水流泥沙运动是一种复杂的三维运动。
Symbolic-numerical computation is a novel method of solving large scale problems, which applies both numerical and symbolic methods in its algorithms and provides a new perspective of them.
符号与数值混合计算是一种利用数值计算和符号计算方法解决大规模问题的计算方法,它为符号计算与数值计算提供一种新的思维模式和方法。
This method conquer the difficulty of the huge numerical computation of the traditional finite element method and an analytical analysis method of stochastic structure analysis is formed.
这样一来克服了传统的有限元数值方法计算量大的困难,确立了随机梁结构分析的一种解析方法。
Based on the analysis and comparison of regular wave transformation between numerical calculation and experiment results, the reliability of the computation method is approved.
通过理论计算与实验资料的对比,验证了数模的可靠性。
Based on the analysis and comparison of regular wave transformation between numerical calculation and experiment results, the reliability of the computation method is approved.
通过理论计算与实验资料的对比,验证了数模的可靠性。
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