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(1) 二维椭圆型流动和传热问题通用计算机程序算法方面的特点
1、 采用原始变量法,即以速度U、V及压力P作为直接求解的变量
2、 守恒型的差分格式,离散方程系对守恒型的控制方程通过对控制容积作积分而得出的,无论网格疏密程度如何,均满足在计算区域内守恒的条件;
3、 采用区域离散化方法B,即先定控制体界面、再定节点位置
4、 采用交叉网格,速度U、V与其他变量分别存储于三套网格系统中;
-(1) two-dimensional elliptic flow and heat t
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带有不连续系数的线性输运方程差分格式的收敛性-With a discontinuous coefficient of linear transport equation convergence of difference schemes
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Solve a unidimensional het equation using finite difference and Runge-Kutta methods.
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Solves the poluent transport equation with variable boundary condition. Uses Finite difference and Runge-Kutta methods.
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弹性波动方程的有限差分 采用的是标准网格-Elastic wave equation finite-difference grid using a standard
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有限插分法求取泊松方程,非常经典啊,欢迎下载-Finite Difference Method to strike a Poisson equation, very classic ah, welcome to download
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可以实现水准测量中通过间接平差的方法计算平差值。只需输入误差方程中的系数矩阵,自由项及权矩阵即可求出平差值并进行精度评定-Leveling can be achieved through the indirect adjustment method to calculate the adjusted value. Just enter the error equation of the coefficient matrix, and the right of free entry level d
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关于二维水质计算的有限差分方法的一个fortran程序,开边界处水流来就处的浓度为0,而水流流出边界采用纯对流公式计算。-Two-dimensional finite difference calculation method of water quality, a fortran program to open the border on the water at concentrations of 0, while the water outflow boundary pure convec
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关于一维热传导方程的差分解法,包含了前差,后差,显示和隐式-About one-dimensional heat conduction differential equation solution, containing the first difference, after the poor display and implicit
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五点差分方法数值计算Poisson方程,简单易懂-Five-point difference methods of numerical Poisson equation, easy to understand
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抛物型方程基于POD方法的时间二阶中心差的时间二阶精度简化有限元格式Parabolic equation based on POD method of time two order central difference time two order precision simplified finite element scheme-Parabolic equation based on POD method of time two order central difference time t
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GprMax的理论基础是时域有限差分(FDTD)方法。时域有限差分方法直接将Maxwell方程作差分离散,利用二阶精度的中心差分近似把Maxwell方程中的微分算符直接转换为差分形式,在空间和时间上对电场和磁场交替间隔取样,使计算过程完全模拟电磁波逐步传播以及与目标物体相互作用的过程。-GprMax is based on the theory of the finite difference time domain (FDTD) method. The finite difference ti
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介绍了三点垂直线阵被动定位的原理. 结合矢量水听器测得的方位角和高低角及到达
阵元间的时延差, 建立了三维坐标下的状态方程和观测方程.运用扩展卡尔曼滤波算法, 研究了该系统的目标运动分析问题. 通过蒙特卡洛模拟仿真试验, 结果表明上述方法具有较高的定位性能,有较强的使用价值.
-Introduced three vertical linear array passive location principle of vector hydrophone. Combining the meas
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利用有限差分法求解椭圆形方程的matlab程序。-finite difference method to solve elliptical equation with matlab
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二维均匀各向同性介质弹性波动方程有限差分波场模拟-Two dimensional homogeneous isotropic medium elastic wave equation finite difference wave field simulation
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一个地震波正演的程序,还在进一步测试中。欢迎大家讨论-Calculates 3d, 2d and 1d finite difference solution to wave equation
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用向前差分格式求解抛物型微分方程,在程序中更改待求方程即可- Solving parabolic differential equation with forward difference scheme
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Finite-Difference method to approximate the solution to the elliptic partial differential equation
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用matlab实现中心差分求解两点边值问题的微分方程求解-Central difference scheme for solving two point boundary value differential equation solver with matlab
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利用有限差分和MATLAB矩阵运算直接求解二维泊松方程-Directly solving the 2D Poisson equation using finite difference and MATLAB matrix operations
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