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Description: 波动方程交错网格有限差分正演模拟
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Size: 7861837 |
Author: lidianlai |
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Description: 有限差分的一个重要程序-the important program of finited difference
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Size: 960512 |
Author: andiwon |
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Description: 椭圆方程的matlab有限差分计算程序，能够近似求解椭圆形偏微分方程(Elliptic equation matlab finite difference calculation procedures, can be solved approximately elliptic partial differential equations)
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Size: 4096 |
Author: 北方森林
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Description: 一维扩散方程的有限差分法,采用了追逐法求解三对角矩阵，对一维扩散模型进行了分析，使用隐式六点差分格式(Crank-Nicolson)基本思想进行隐式差分。(The finite difference method of one-dimensional diffusion equation is used to solve the three diagonal matrix by chase method. The one-dimensional diffusion model is analyzed, and the implicit six difference scheme (Crank-Nicolson) is used to carry out implicit difference.)
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Size: 2048 |
Author: dylan1228
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Description: 1、对求解区域进行网格剖分，网格越小，精度越高。
2、将边界条件离散到格点上。
3、用五点差分建立求解方程，求出各个各点上的函数值。(1, mesh the mesh of the solution, the smaller the grid, the higher the accuracy. 2, the boundary conditions are discretized to the grid. 3, five point difference is used to establish the equation, and find the function values at each point.)
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Size: 1024 |
Author: 竹林居士
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Description: 有限差分数值模拟地震记录，绘制正演模拟波前快照。(Seismic wave inverse time migration program can realize the inversion of seismic wave)
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Size: 1024 |
Author: ？？。
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Description: 科学工程计算方法中的有限差分法，最简隐式，打靶法，CN格式(Scientific engineering calculation method)
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Size: 3072 |
Author: 君羊木
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Description: 用有限差分法求解方程，里面有两个文件，其中一个是泊松方程，另外一个是求解其他势能的方程(Solving Poisson equation by finite difference method)
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Size: 814080 |
Author: 马太高
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Description: 二维波动方程的有限差分法，与解析解进行了误差比对(Finite difference method for two-dimensional wave equation)
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Size: 1281024 |
Author: 一级咸鱼 |
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Description: 1. 在matlab中分析基于分离变量法的解析解；
2. 利用简单迭代法求解，与解析法结论对比，分析求解结果的精确度。分析过程至少包括：在网格尺寸为0.1 m和1 m两种条件下，两次迭代差值最大为10-10时的分析结论；
3. 利用超松弛迭代法分析，选择松弛因子，分析其对收敛速度（即迭代次数）的影响，并确定最优值。分析过程至少包括：在网格尺寸为0.1和1两种条件下，两次迭代差值最大为10-10时，迭代次数随松弛因子的变化，得到对应的最优松弛因子，与经验值（课本165页式子3.7.15）进行对比。(1. Analyze the analytical solution based on the separation variable method in matlab.
2. Using a simple iterative method to solve, compared with the results of the analytical method to analyze the accuracy of the solution. The analysis process at least includes the following conclusions: when the mesh size is 0.1m and 1m, the maximum difference between two iterations is 10-10.
3. Analyze using the relaxation relaxation iteration method, select the relaxation factor, analyze its influence on the convergence speed (ie the number of iterations), and determine the optimal value. The analysis process at least includes the following: when the mesh size is 0.1 and 1 and the maximum difference between two iterations is 10-10, the number of iterations varies with the relaxation factor, and the corresponding optimal relaxation factor and empirical value are obtained ( Textbook 165 pages (3.7.15) for comparison.)
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Size: 3072 |
Author: 花祭嘉音 |
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Description: 用有限差分法求电场电势分布，金属盒子接地，电位是0，中间三分之一处有电位是1的长方体，求解其电场电势分布(The electric potential distribution of the electric field is calculated by the finite difference method. The metal box is grounded, the potential is 0, and the 1/3 of the rectangular bodies with the potential is 1, and the electric potential distribution of the electric field is solved.)
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Size: 276480 |
Author: 换哪件困难 |
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Description: 使用matlab进行有限差分法的计算，使用迭代法对差分方程进行求解，自适应中值滤波代码(Finite difference method)
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Size: 1024 |
Author: 娜& |
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Description: 地震波场时间域有限差分数值模拟，PML边界条件，三维地质模型模型(Finite Difference Time Domain Numerical Simulation of Seismic Wave Field, PML Boundary Conditions, 3D Geological Model)
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Size: 4096 |
Author: blac-khole |
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Description: 分层的一维热传导方程的有限差分法MATLAB程序，是简单的显式差分格式，尽量使用了矩阵运算，没有符号运算。
文件chafen1.m以路面为例，假设有多层建筑材料，热传导系数已经在代码中给出。用户使用时请按自己需要修改chafen1.m文件，增减层数，修改热传导系数等即可。(One-dimensional heat conduction equation finite difference method MATLAB program, is a simple explicit difference format, as far as possible use of matrix operations, no symbolic operations
The file Chafen 1.m takes the road surface as an example, assuming that there are multiple layers of building materials, the thermal conductivity is given in the code. Users should modify the Chafen 1.m file according to their own needs, increase or decrease the number of layers, modify the thermal conductivity and so on.)
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Size: 3668992 |
Author: 野生的飞飞 |
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Description: matlab编写的三维各向异性有限差分正演程序(3D anisotropic finite difference forward modeling written in MATLAB)
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Size: 17408 |
Author: 万古云霄 |
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Description: MATLAB求解偏微分方程（扩散方程）有限差分法 源程序代码(Differential iterative computation)
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Size: 1024 |
Author: zhuo0626 |
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Description: 二维雷诺方程的matlab有限差分算法。(Matlab finite difference algorithm for two-dimensional Reynolds equation.)
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Size: 6144 |
Author: supermanflysan |
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Description: fortran编写的一维有限差分法代码，只适合均匀步长网格，变步长也是比较好实现仅供参考(MT forward modeling,One dimensional finite difference code written by FORTRAN)
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Size: 197632 |
Author: xiaofeixia1 |
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Description: 有限差分计算三维热传导计算案例，采用Matlab编程实现(Finite difference model, three-dimensional heat conduction, Matlab code)
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Size: 10240 |
Author: zhhpro |
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