基本解释：[有限]差分
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Wave equation numerical modeling by finite difference method with varying grid spacing.;波动方程变网格步长有[有限]差分数值模拟
Numerical simulation of elastic wave propagation in azimuthally anisotropic media using multi-level finite difference method;方位各向异性介质的多尺度有[有限]差分法波场模拟
Time-domain 3-D finite difference modeling of the transient electromagnetic field in underground mine.;矿井中瞬变电磁场三维时域有[有限]差分模拟
Globally optimized Fourier finite-difference migration in offset domain.;炮检距域全局优化傅里叶有[有限]差分偏移
A finite-difference time-domain solution for transient electromagnetic fields;时域瞬变场电磁场有[有限]差分法
VTS Finite-difference Solution of A Fick s Sublimation Problem of Liquid Product during Vacuum Freeze-drying;液状制品冻干中升华问题的VTS有[有限]差分解
In this paper, numerical simulation for temperature field of femtosecond-picosecond pulse laser ablation on metal surface is performed by finite-difference method (FDM).用有[有限]差分法对飞秒、皮秒脉冲激光在金属表面烧蚀过程的温度场进行了一维数值模拟。
In the paper,by utilizing the geoelectric field theory of inclined line source and finite-difference method,a 3-D discrete equation has been set up according to anomalous potential satisfied by current exploration,and quickly solved with ICCG method.利用倾斜线状电流源的理论电位式和有[有限]差分法理论,建立三维离散化方程组,并用ICCG法求解该方程组,设计三维电阻率异常体分布模型,经计算得到了地表视电阻率分布在垂直和倾斜线源情况下的变化规律。
We use finite-difference method to calculate the ground accelerations caused by two possible seismogenic faults(NE-trend Qinghe .通过设定一定的标准,对1730年发生在北京西郊61 2级地震的破坏记录进行数字化,得到地震在地表造成的实际破坏的定量分布图像;使用有[有限]差分方法,计算出两条可能的发震断层——NE向的清河隐伏断层和NW向的东北旺—小汤山断裂在滑动角为0°和90°时,在地表产生的加速度的分布。
The application of MATLAB to finite difference method;MATLAB在有[有限]差分法中的应用
The minimal melt temperature and injection pressure can be predicted very quickly by solving the model using finite difference method when injection time, injection temperature, and mold temperature were assigned.从黏性流体力学的基本方程出发,引入相关假设与简化,提出一种简化的注射流动计算模型,并采用有[有限]差分法进行求解。
Through the analysis of heat-transfer process of the slab in reheating furnace, the numerical simulation of the temperature within the slab was carried out with the finite difference method, and an optimized mathematical model for heating-up process curve in a reheating furnace was given by using the flexible tolerance optimization method.通过对钢坯在步进式炉内传热过程的分析,采用有[有限]差分方法对钢坯内温度进行数值模拟,用可变容差优化方法建立了钢坯最优加热数学模型。
Auto-detection of 3D FDM Mesh Connectivity for Casting;铸件三维有[有限]差分网格连通性自动检测
Research and Development of Visual Software System in FDM Calculation for Underground Water;地下水流有[有限]差分计算可视化系统的研究与开发
Sub-module CASTshow for concurrent display of the solidification simulation was developed based on double procedure program structure and the dynamic linkage library technology as well as FDM.提出了凝固模拟并行可视化概念 ,应用双线程结构、动态链接技术以及有[有限]差分法 ,开发了凝固模拟并行显示模块CASTShow。
Three-Dimensional Finite-difference Method Analysis Appliance to The Pipe-shed Entrance of Large Span Tunnel;浅埋大跨度隧道管棚支护进洞三维有[有限]差分法分析
According to the variation process of water quality measured on 2 to 10 June,2007,and primary density of main river and the density of tributary rivers,the density of ammonia and nitrogen for the nodal points of the canal is forecasted by using simplified reservoir model and finite-difference method.选取2007年6月2~10日运河实测水质变化过程,根据干流各节点的初始浓度和各支流的浓度,结合水位流量自动监测数据,分别用简化水库模型和有[有限]差分法预测运河干流各节点的氨氮浓度,并与实测值进行比较分析。
Then computing induction electromotive force in receive loop by finite-difference method and solving apparent conductivity.首先,利用Maxwell方程组和逐次逼近法推导出矢量电位在非正交坐标系下的解析解;然后,通过有[有限]差分法计算接收线圈处的感应电动势,得到视电导率的值;最后,计算了无井无侵地层模型在不同厚度和倾斜角度影响下的响应,计算结果与理论解及前人结果具有很好的一致性。
A method based on finite difference to calculate Winkle beams;用有[有限]差分法计算Winkle梁的一种方法
Basing on the equations of continuity momentum balance,energy balance and engergy balance at the solid-melt interface,the mathematics model of mold filling process with solidi fied layer forming on the inside mold surface was estabilished by finite difference method.采用有[有限]差分法,计算了模腔内壁上喂料凝固层厚度与工艺参数的关系,研究结果表明:模具入口附近凝固层厚度开始急剧增加,然后增加速率逐渐减缓;熔体体积流率越大,凝固层厚度越小;适当提高模具温度,可以减小凝固层厚度,有利于充模过程。
Finally, as using Si as the target, a finite difference method is employed to simulate the space- and time-dependence of temperature in the target.结合适当的边界条件,以Si靶材为例,利用有[有限]差分法得到了靶材在各个阶段温度随时间和烧蚀深度的演化分布规律及表面蒸发速度与烧蚀深度在不同激光辐照强度下随时间的演化规律。
One-dimensional Non-linear Large Deformation Consolidation Analysis of Soft Clay Foundation by FDM;软粘土地基非线性一维大变形固结的有[有限]差分法分析
Application of FDM in Rectangle Wave-guide;有[有限]差分法在时谐场中的应用
Based on the analysis of the heat transfer and boundary conditions during every processing stage of hot continuous rolling, the three dimensional mathematical models have been developed using the finite difference method(FDM).通过对高速线材轧制过程各个环节传热关系及边界条件的分析,采用有[有限]差分法建立了热连轧过程三维温度场计算模型。
Ground penetrating radar data imaging via the 2D finite-diffrence migration method;2D有[有限]差分偏移技术在探地雷达信号成像中的应用
