隐式差分法 meaning in English
implicit difference method
implicit difference scheme
Examples
- Abstract : this paper discusses the different differential methods of alternating direction implicit method with initial condition and boundary conditions in detail
文摘:详细地研究了各种情形的求解二维抛物型方程初边值问题的交替方向隐式差分法。 - In this paper , a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method . based on the practical project xiluodu arch dam , the dam ' s construction process was simulated by a small time step size , 0 . 5 or 1 days . the environmental temperature change , hydration heat rise , artificial cooling , creep , volume deformatio
运用laplace变换方法将温度的求解表示为只与空间坐标及浇筑时间有关的函数，从而避免了用隐式差分法、有限元法求解时需求解联立方程的因而对测点选择的依赖，也避免了显式差分法求解稳定性受时间步长，测点间距大小限制的缺点，因而具有测点布置灵活的特点。 - Three finite - difference methods , i . e . , stagger grid , implicit and explicit algorithms , are analyzed in detail . multi - grid algorithm is firstly introduced in elastic wave simulation , to solve for the stability problem inherent in stagger grid and implicit algorithm , also for the efficiency problem inherent in explicit algorithm , and the precision , stability and efficiency for simulation of elastic wave arc increased by multi - grid method . phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation , based on phase delay and amplitude decaying features along wave propagation
在水平分层介质接收函数的波形反演研究的基础上，本文系统阐述了非均匀介质中弹性波传播数值模拟常用的三种有限差分方法：显式差分、隐式差分和交错网格法，首次将多重网格算法应用于弹性波方程的数值模拟问题，克服了交错网格法和显式差分法稳定性差，以及隐式差分法计算效率低的缺点，大大提高了弹性波数值模拟的精度、稳定性和计算效率。 - Based on the fundamental theory of dynamics of soil moisture and the condition of water storage pit irrigation , numerical modeling of soil moisture movement of single water storage pit in heterogeneous soil is established . adi ( alternating direction implicit method ) and gauess - seidel iterative method are used to solve it . by using the simulated value of modeling , the relation of water injection volume and maximum horizental distance of moisture frontal are concluded . according to the relation , interval of pits are derived . then , after analyzing the infiltration characteristic of soil moisture under the condition of interference infiltration in multi storage pit , numerical modeling of soil moisture movement of multi water storage pit in heterogeneous soil is established , and its numerical solution is also acquired
利用adi (交替方向隐式差分法)结合gauess ? seidel迭代法对模型进行数值求解。利用模型的计算结果得出了单坑注水量与湿润锋最大水平推进距离之间的关系，并据此确定了坑距。在此基础上，通过对多坑干扰入渗条件下土壤水分入渗特性进行分析，太原理工大学硕士研究生学位论文建立了蓄水多坑非均质土壤水分运动数学模型，并对其进行数值求解。