Matlab生成解析网格

% To demonstrate the grid generation using analytic coordinate systems %{ Author : Siva Srinivas Kolukula Senior Research Fellow Structural Mechanics Laboratory Indira Gandhi Center for Atomic Research India E-mail : allwayzitzme@gmail.com http://sites.google.com/site/kolukulasivasrinivas/ %} % Reference: Fundametnals of Grid Generation - Knupp, Steinberg clc clear all % number of discretizations along xi and eta axis m = 20 ; n = 20 ; % discretize along xi and eta axis xi = linspace(0.,1,m) ; eta = linspace(0.,1.,n) ; Analytic = [{'PolarCoordinates'} ;{'ParabolicCylinderCoordinates'} ; {'EllipticCylinderCoordinates'}; {'Horseshoe'} ; {'ModifiedHorseshoe'} ;{'BipolarCoordinates'}] ; for grid = 1:length(Analytic) % Initialize matrices in x and y axis X = zeros(m,n) ; Y = zeros(m,n) ; % Run a loop alon xi and eta axis to get x,y for i = 1:m for j = 1:n Xi = xi(i) ; Eta = eta(j) ; [x y] = feval(Analytic{grid},Xi,Eta) ; X(i,j) = x ; Y(i,j) = y ; end end % To plot grid obtained plotgrid(X,Y) title(Analytic{grid},'color','b') disp('press any key to plot next grid') pause end