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numerical-simulation analysis
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  相似匹配句对
     and numerical radius of T and T, that is, (1) w(T) > w(T);
     之间关于数值域和数值域半径的三个结论:(1) w(T)≥w((?) );
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     (3) numerical analysis;
     (3) 数值仿真研究;
短句来源
     from precision to numerical approximation;
     从精确到数值近似;
     Numerical Analysis of Sensors
     传感器的数值分析
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     Flow Numerical Simulation
     流动数值模拟
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This paper presents the numerical simulation analysis of a two-dimensi onal nonlinear mathematical model for heat and moisture transfer in the saturated porous medium under a canal. By means of coefficient-effection of hysteresis implicit finit-difference scheme, the calculation results of the temperature and moisture of 2400 hour-freezing show that the movement of freezing isothermal ( frost front ) and moisture distribution are nonhomoge-neous in a canal section,and the moisture content is maximum and...

This paper presents the numerical simulation analysis of a two-dimensi onal nonlinear mathematical model for heat and moisture transfer in the saturated porous medium under a canal. By means of coefficient-effection of hysteresis implicit finit-difference scheme, the calculation results of the temperature and moisture of 2400 hour-freezing show that the movement of freezing isothermal ( frost front ) and moisture distribution are nonhomoge-neous in a canal section,and the moisture content is maximum and frost damage is serious.The calculated results are in a perfect agreement with depth minimum near the bottom of the canal slop where frost the data obtained in an observation station. The computational method presented might be introduced to the numerical solution of heat and moisturu transfer of embankments and cuttings in freezing.

本文提出了系数效应滞后的计算方法,数值模拟了饱水渠道冻结时水热迁移的二维非线性模型。冻结过程为2400小时的计算结果表明,渠道下冻结锋面的推进和水分分布是非均匀的,近渠底处的渠坡下冻深最小,含水量最大,冻胀破坏严重。计算结果与实际观测值吻合较好。计算方法可推广于路堤、路堑等冻结时水热迁移的数值模拟。

In this paper, the influence of post-ultimate negative stiffness stage on earthquake collapase response of reinforced concrete frame structures to a severe earthquake is studied. The earthquake collapse mechanism of structure is discussed, and an earthquake damage model is proposed, with the degradation stiffness ratio as a damage parameter. Finally, the influences of the negative stiffness model on the behaviors such as strength, deformation and ductility of reinforced concrete frame structures under a strong...

In this paper, the influence of post-ultimate negative stiffness stage on earthquake collapase response of reinforced concrete frame structures to a severe earthquake is studied. The earthquake collapse mechanism of structure is discussed, and an earthquake damage model is proposed, with the degradation stiffness ratio as a damage parameter. Finally, the influences of the negative stiffness model on the behaviors such as strength, deformation and ductility of reinforced concrete frame structures under a strong earthquake are discussed through numerical simulation analysis of some examples.

本文研究了极限后负刚度段对钢筋混凝土框架结构地震倒塌反应的影响,从理论上探讨了结构地震倒塌模式,提出了以退化刚度比作为破坏参数的地震破坏模型,最后,通过实例数值模拟分析,重点讨论了负刚度模型对强震下钢筋混凝土框架结构的强度、变形和延性等方面特性的影响。

Based on the analysis of the transient characteristics and the dynamic magnetization process of the current transformer, this paper proposes a numerical simulation model for the single and double magnetization transient process of the current transformer, in which the core saturation, partial magnetic domain loop and dynamic remanence are considered. We also present an electromagnetic optimum design method of the P, TPX,TPY and TPZ class for the current transformer in protective relays, and give the calculation...

Based on the analysis of the transient characteristics and the dynamic magnetization process of the current transformer, this paper proposes a numerical simulation model for the single and double magnetization transient process of the current transformer, in which the core saturation, partial magnetic domain loop and dynamic remanence are considered. We also present an electromagnetic optimum design method of the P, TPX,TPY and TPZ class for the current transformer in protective relays, and give the calculation program for the electromagnetic optimum design and numerical simulation analysis of the current transformer.

本文在分析CT的暂态特性及其动态磁化过程的基础上,建立了计及铁芯饱和、局部磁滞回环、动态剩磁影响的CT单、复励磁暂态过程数字仿真模型,提出了继电保护用P、TPX、TPY、TPz级CT的电磁优化设计方法,编制了计算机程序,用于CT的电磁优化设计及数字仿真分析.

 
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