scf_celebic/ex3/seq/generate_mesh/L_shape.m
dino.celebic 3882aee07a task8
2025-11-11 15:50:51 +01:00

26 lines
810 B
Matlab

% Copyright: Reza Mokhtari
clear all
clc
%% plot L-shape
g=[2 0 2 0 0 1 0;
2 2 2 0 1 1 0;
2 2 1 1 1 1 0;
2 1 1 1 2 1 0;
2 1 0 2 2 1 0;
2 0 0 2 0 1 0]';
[p,e,t] = initmesh(g,'hmax',0.5);
pdemesh(p,e,t)
%% GH
% output from <https://de.mathworks.com/help/pde/ug/initmesh.html initmesh>
%
% coordinates p: [2][nnode]
% connectivity t: [4][nelem] with t(4,:) are the subdomain numbers
% edges e: [7][nedges] boundary edges
% e([1,2],:) - start/end vertex of edge
% e([3,4],:) - start/end values
% e(5,:) - segment number
% e([6,7],:) - left/right subdomain
% flatpak run org.octave.Octave <filename>
ascii_write_mesh( p, t, e, mfilename);