-
Notifications
You must be signed in to change notification settings - Fork 11
/
defineBsplinePlateHole.m
49 lines (43 loc) · 1.39 KB
/
defineBsplinePlateHole.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
%
% Project: Approximation and Finite Elements in Isogeometric Problems
% Author: Luca Carlon
% Date: 2009.11.06
%
% Copyright (c) 2009-2021 Luca Carlon. All rights reserved.
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
%
function [n, p, Xi, m, q, Eta, P] = defineBsplinePlateHole()
% Definition of the physical domain (plate with hole).
P(1, 1, :) = [-1, 0, 0];
P(2, 1, :) = [-1, sqrt(2)-1, 0];
P(3, 1, :) = [1-sqrt(2), 1, 0];
P(4, 1, :) = [0, 1, 0];
P(1, 2, :) = [-2.5, 0, 0];
P(2, 2, :) = [-2.5, 0.75, 0];
P(3, 2, :) = [-0.75, 2.5, 0];
P(4, 2, :) = [0, 2.5, 0];
P(1, 3, :) = [-4, 0, 0];
P(2, 3, :) = [-4, 4, 0];
P(3, 3, :) = [-4, 4, 0];
P(4, 3, :) = [0, 4, 0];
d = length(P(1, 1, :));
% Define the knot vectors.
Xi = [0, 0, 0, 0.5, 1, 1, 1];
Eta = [0, 0, 0, 1, 1, 1];
% Define the scalars.
n = 3;
p = 2;
m = 2;
q = 2;