算子分裂,operator splitting
1)operator splitting算子分裂
1.An operator splitting method was employed to split the co.利用算子分裂技术将组份浓度方程分裂为扩散方程和对流方程 ,隐式交替求解对流方程和扩散方程得到组份浓度方程的隐式解。
2.An operator splitting method was developed to solve the incompressible Navier-Stokes equations defined in a rotating frame of reference.提出了求解旋转坐标系下的不可压黏性流动问题的θ格式算子分裂算法。
3.A new type of 9-points finite volume scheme and related operator splitting scheme are proposed.针对描述美式期权定价的二维问题提出了一类新的有限体积九点格式和相应的算子分裂格式,该格式对对流项占优问题,用迎风技术近似对流项;同时,结合对流的方向近似二阶混合导数。
英文短句/例句

1.Overview for the Characteristic Based Split Algorithm基于特征线理论的算子分裂算法综述
2.Image Segmentation Method Based on Operator Splitting and Graph Cut Idea基于算子分裂及图割思想的图像分割方法
3.Operator-splitting Method and Its Application for Soluting Parabolic Equations算子分裂法及其在解抛物型方程中的应用
4.An Efficient Primal-Dual Technique Applied in the Operator-Splitting Method for Noise Removal in Images应用原对偶方法光滑向量的四阶算子分裂方法
5.Numerical Simulation of Two-dimensional Dam Break--The Method of Characteristics Based on Operator Splitting;溃坝二维问题的数值模拟——利用算子分裂的特征线法
6.Operator Splitting Discontinuous Galerkin Method of Miscible Displacement in Porous Media多孔介质中混溶驱动问题的算子分裂间断有限元方法
7.Particle swarm optimization based on immunity spallation operator基于免疫分裂算子的粒子群优化算法
8.The Spectrum Analysis of the Transport Operator with Unsymmetric Scattering Kernel;一类具非对称散射裂变核的迁移算子的谱分析
9.Research on Left-handed Material by Using Shift Operator Method in Unsplit FDTD基于移位算子与无分裂FDTD法左手材料研究
10.Adsorption and Hydrothermal Stability of C_4 Hydrocarbon Catalytic Cracking Zeolite: Experiment, Simulation and Quantum Chemical Calcultion;碳四烃催化裂解分子筛的吸附及水热稳定性:实验、模拟与量化计算
11.Computing the Stress Intensity Factors of Cracks Using the Multi-regional Boundary Element Method Double-mapping Singular Elements;用分域边界单元法双映射奇异元计算裂纹的应力强度因子
12.On the Eigenvalue Distribution of the transport Operator for Anisotropic Scattering and Fission;具各向异性散射和裂变的迁移算子本征值的分布
13.Ⅰ-Ⅱ Mixed-mode crack stress intensity factor of the finite element calculation and analysisⅠ-Ⅱ复合型裂纹的应力强度因子有限元计算分析
14.Calculation of Stress Intensity Factor for Crack Under Chemical Corrosive of Water-Rock Interaction水-岩化学作用下岩体裂纹应力强度因子的计算及分析
15.Stress Intensity Factor of Semi-elliptical Surface Cracks By Finite Element Analysis半椭圆表面裂纹应力强度因子的有限元计算分析
16.The fission barrier parameters for actinide nuclei were obtained by analysis and calculations of fission cross-sections and complete neutron reaction cross sections.通过分析和计算锕系核裂变截面和全套中子反应截面获取了一组锕系核的裂变位垒参数.
17.Cleft or cloven, as a hoof.裂开的,分趾的如蹄子裂开的或分趾的
18.When atoms split, the process is called "fission".原子分裂时,其过程被称为“裂变”。
相关短句/例句

operator-splitting算子分裂
1.Operator-splitting algorithm is proposed to solve the pricing model of double-factor convertible bond, and it resolves the problem of calcul.本文提出了利用算子分裂技术求解双因素可转换债券定价模型的数值方法,有效地解决了因模型固有的复杂性而带来的计算上的困难。
3)arithmetic operator splitting算子分裂
1.The control equations are solved with arithmetic operator splitting technique according to the characteristics of each physical process.该模型根据控制方程中各物理过程的变化特点采用算子分裂法,对时间步长要求苛刻的快过程采用隐式求解,对时间步长要求宽松的慢过程采用显式求解,协调了不同物理过程模拟的时间步长;提出单侧边界坐标拟合法解决了河道计算区域平面尺度差别大的问题,增加了计算稳定性;对斜压梯度力在σ坐标系下的计算方法作了处理,提高了计算精度。
2.The control equations are solved with the arithmetic operator splitting technique according to the characteristic of each physical process.该模型根据控制方程中各物理过程的变化特点采用算子分裂法求解,快过程采用隐式求解,慢过程采用显式求解,协调了不同物理过程模拟的时间步长;文中对σ坐标系下的斜压梯度力和水平扩散项的表达式采用z平面均值扣除法进行处理,提高了二者的计算精度,更加适合于湖泊水库的应用。
4)space operator splitting算子分裂
1.Based on it, a twodimensional numerical scheme of dam break with space operator splitting is built.根据特征线法的基本原理,推导了一维浅水运动的特征线方程和相容性方程,构造了用于溃坝计算的显格式,模拟了一维矩形断面低坝全溃的洪水波演进过程,并基于算子分裂建立了相应的二维问题特征线数值格式,对瞬间部分溃坝时二维洪水波的演进过程进行了数值模拟。
5)spallation operator分裂算子
1.Particle swarm optimization based on immunity spallation operator基于免疫分裂算子的粒子群优化算法
6)operator splitting method算子分裂法
1.In order to avoid the difficulties in computation,the operator splitting method is used to deal with the equation,in which the physical process described by N-S equation is decomposed into 2 processes: a diffusion process and a convection process.为了克服计算上的困难,利用算子分裂法将N-S方程表述的物理过程分解为扩散和对流两个过程。
延伸阅读

凹算子与凸算子凹算子与凸算子concave and convex operators 凹算子与凸算子「阴~皿d阴vex.耳阳.勿韶;.留叮.肠疽“‘.小啊j阅雌口叹甲司 半序空间中的非线性算子,类似于一个实变量的凹函数与凸函数. 一个Banach空间中的在某个锥K上是正的非线性算子A,称为凹的(concave)(更确切地,在K上u。凹的),如果 l)对任何的非零元x任K,下面的不等式成立: a(x)u。(Ax续斑x)u。,这里u。是K的某个固定的非零元,以x)与口(x)是正的纯量函数; 2)对每个使得 at(x)u。续x《月1(x)u。,al,月l>0,成立的x‘K,下面的关系成立二 A(tx))(l+,(x,t))tA(x),00. 类似地,一个算子A称为今单(~ex)(更确切地,在K上“。凸的),如果条件l)与2)满足,但不等式(*)用反向不等号代替,并且函数粉(x,t)<0. 一个典型的例子是yP‘KOH积分算子 通rx‘t、1二f天(t.:,x(s))山, G它的凹性与凸性分别由纯量函数介(t,s,。)关于变量u的凹性与凸性所确定.一个算子的凹性意味着它仅仅包含“弱”的非线性—随着锥中的元素的范数增加,算子的值“慢慢地”增加.一般说来,一个算子的凸性意味着,它包含“强”的非线性.由于这个理由,包含凹算子的方程在许多方面不同于包含凸算子的方程;前者的性质类似于相应的纯量方程,而不同于后者,后者关于正解的唯一性定理是不成立的.