The theoretical foundation of the user and the selection of some factors determine the calculation accuracy in the simulation of the architectural numerical wind tunnel.
数值风洞模拟要想获得理想的计算精度,依赖计算人员的理论基础及其在具体操作中对各种重要因素的选择。
Numerical simulation of pollutants' diffusion in air has been adopted widely, but the false diffusion occurring in simulation is always an important factor affecting the accuracy of the results.
用数值模拟的方法预测污染物在大气中的扩散已经被广泛采用,但数值模拟产生的伪扩散一直是影响模拟结果精度的重要因素。
Simulation results indicate that DD1, DD2 filters have stronger tracking performance and larger application scope, and achieve higher numerical stability and accuracy than EKF.
仿真结果表明,DD1和DD 2滤波具有较强的跟踪性和较宽的应用范围,数值稳健性和精度优于EKF算法。
The accuracy of numerical simulation was verified by experimental contrast.
通过试验对比,验证了数值模拟的准确性。
Feasibility and accuracy of 3d method for numerical simulation of the flow in an axial flow pump sector and pumping system has been studied.
本文主要探讨了轴流泵泵段和立式泵装置内部三维湍流流动数值模拟研究方法的可行性和准确性。
Results of numerical simulation and experimentation indicate that this algorithm is of high accuracy of location and it is adapt to complex communication condition under coal mine.
数值仿真与实验结果表明,该算法具有较高定位精度,适合于井下复杂多变的通信环境。
In this paper, the numerical methods for improving the simulation accuracy of very late time response in Long Offset TEM (LOTEM) sounding and its all time apparent resistivity have been introduced.
文中讨论了提高长偏移距瞬变电磁测深甚晚期响应计算精度及相应的全区视电阻率的计算方法。
Based on the experiment, a finite element model was built, and the measures for ensuring the analysis accuracy in the numerical simulation process were introduced.
根据试验提供的条件建立预埋件有限元模型,并介绍了数值模拟过程中为保证分析正确性采取的措施。
In this paper, the geometric nonlinearity problem is analyzed based on the second beam theory, and a theoretical solution is proposed, whose accuracy is verified by FEM numerical simulation.
本文基于二次梁理论给出了该几何非线性问题的理论解,其正确性通过有限元的数值计算结果得到验证。
By the numerical simulation of classical models, the high accuracy of this method is verified, and the efficiency of the method is remarkable compared with other numerical algorithms.
通过对经典孔缝电磁耦合模型的数值仿真,验证了该算法具有较高的准确性和计算效率。
In the process of production simulation of the current production experiment well and numerical simulation, the cost is high and the accuracy of the numerical simulation can not be ensured.
现有生产实验井和数值模拟在生产模拟时,不仅成本高,同时数值模拟准确性无法保证。
In order to gain high efficiency and good accuracy for the numerical simulation of large-scale contact-impact problems under cluster computer environment, the TUL formulation is presented.
为了能在网络机群环境下高效、高精度地进行大规模冲击接触模拟,本文首先针对超参壳元的非线性分析,提出了TUL计算格式。
Numerical simulation shows that the spatial resolution is enhanced by four times using the frequency-domain deconvolution algorithm with high temperature accuracy.
理论仿真结果表明,采用频域反卷积算法可以在不降低光源脉冲宽度的情况下,将空间分辨率提高四倍。
Numerical simulation results show that this active control strategy can effectively attenuate the wind-induced vibration and improve the tracking accuracy of the feed source.
数值结果验证了该主动控制策略能够有效衰减风荷振动,从而提高了馈源轨迹跟踪精度。
Aimed at the numerical control (NC) code generated based on images, process simulation is conducted to verify accuracy of the generated NC code.
针对基于图像生成数控代码的准确性问题,采用了虚拟加工进行验证。
The results of numerical simulation show that the new approach is effective and feasible which has high accuracy and good stability when solving the inverse problems.
并进行了数值模拟,数值结果表明,改进后的微分进化算法是可行的,有效的,具有精度高且稳定性好等优点。
Numerical simulation was done. The results show that it has good validity and accuracy to modal parameter identification of reticulated shell structures.
文中对该方法进行了数值模拟,结果表明,该方法能够 确保网壳结构模态参数识别的有效性和准确性。
How to effectively increase both accuracy and calculation efficiency of 3d seismic-wave forward numerical simulation is an important problem in geophysical prospect.
如何有效提高三维地震波正演数值模拟精度和计算效率一直是勘探地球物理学研究的重要问题。
The simulation and experimental results agree well with each other, so the accuracy of the numerical result is validated.
模拟结果和实验结果基本一致,验证了数值模拟的正确性。
Numerical simulation shows that the method is simple, effective and has high accuracy in practical engineering.
数值算例表明:该识别方法简便有效,精度较高,可运用于实际工程中。
It is concluded that calculation results of longitudinal temperature strain are limited by the accuracy of numerical simulation of longitudinal prestressed reinforcement.
并得到纵向预应力钢筋的准确模拟对结构纵向应变计算精度影响较大的结论。
The results of numerical simulation show that the method has higher accuracy and quicker c…
模拟结果表明,该方法具有精度高, 收敛速度快且易于计算机实现等特点。
The results of numerical simulation show that the method has higher accuracy and quicker c…
模拟结果表明,该方法具有精度高, 收敛速度快且易于计算机实现等特点。
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