forked from OlivierDAZEL/PLANES
-
Notifications
You must be signed in to change notification settings - Fork 0
/
PLANES_preprocess.m
431 lines (319 loc) · 14.7 KB
/
PLANES_preprocess.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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
% PLANES_preprocess.m
%
% Copyright (C) 2016 < Olivier DAZEL <olivier.dazel@univ-lemans.fr> >
%
% This file is part of PLANES.
%
% PLANES (Porous LAum NumErical Simulator) is a software to compute the
% vibroacoustic response of sound packages containing coupled
% acoustic/elastic/porous substructures. It is mainly based on the
% Finite-Element Method and some numerical methods developped at
% LAUM (http://laum.univ-lemans.fr).
%
% You can download the latest version of PLANES at
% https://github.com/OlivierDAZEL/PLANES
% or find more details on Olivier's webpage
% http://perso.univ-lemans.fr/~odazel/
%
% For any questions or if you want to
% contribute to this project, contact Olivier.
%
% PLANES 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/>.
%%
%% First step: identify boudaries and internal edges
% Creation of 3 segments by element
% segments=[node1 node2 #element1 0 elem.label1]
init_vec_frequencies
project.logger(2, 'preprocess', 'Ordering and cleaning mesh.')
tic
if exist('nodes')
segments=zeros(1,5); % Line 1 to be removed at the end
temp=find(ismember(elem.model,[1 3 4 10]));
temp=reshape(temp,length(temp),1);
if length(temp)>0
segments=[segments;elem.nodes(temp,1) elem.nodes(temp,2) temp 0*temp elem.label(temp)];
segments=[segments;elem.nodes(temp,2) elem.nodes(temp,3) temp 0*temp elem.label(temp)];
segments=[segments;elem.nodes(temp,3) elem.nodes(temp,1) temp 0*temp elem.label(temp)];
end
temp=find(ismember(elem.model,[2 11]));
temp=reshape(temp,length(temp),1);
if length(temp)>0
segments=[segments;elem.nodes(temp,1) elem.nodes(temp,2) temp 0*temp elem.label(temp)];
segments=[segments;elem.nodes(temp,2) elem.nodes(temp,3) temp 0*temp elem.label(temp)];
segments=[segments;elem.nodes(temp,3) elem.nodes(temp,4) temp 0*temp elem.label(temp)];
segments=[segments;elem.nodes(temp,4) elem.nodes(temp,1) temp 0*temp elem.label(temp)];
end
segments(1,:)=[]; % Line 1 is removed at the end
% Ordering of nodes so that node 1 < node 2
segments(:,1:2)=sort(segments(:,1:2),2);
% Research of double segments
[~, ~, temp] = unique(segments(:,1:2),'rows');
segments=[temp segments(:,1:5)];
% segments=[#segment node1 node2 #element1 0 elem.label1]
% Ordering of the vector along the #of segments (first column)
[~,temp]=sort(segments(:,1));
segments=segments(temp,:);
% Find dupplicate values
temp=find(~diff(segments(:,1)));
% Merging of columns
segments(temp,5)=segments(temp+1,4);
segments(temp,7)=segments(temp+1,6);
% segments=[#segment node1 node2 #element1 #element2 elem.label1 elem.label2]
segments(temp+1,:)=[];
% Suppression of the first column with temporary index of edges
segments(:,1)=[];
% segments=[node1 node2 #element1 #element2(if any) elem.label1 elem.label2(if any)]
% Separation between boundary and internal;
edges.internal=[segments(find(segments(:,4)~=0),:)];
% check for internal that #element1<#element2
temp=find(edges.internal(:,3)>edges.internal(:,4));
v_temp=edges.internal(temp,3);
edges.internal(temp,3)=edges.internal(temp,4);
edges.internal(temp,4)=v_temp;
% Check if the elements are both DGM
temp=find(ismember(elem.model(edges.internal(:,3)),[10 11]).*ismember(elem.model(edges.internal(:,4)),[10 11]));
edges.internal_DGM=edges.internal(temp,1:4);
nb.internal_DGM=length(temp);
edges.internal(temp,:)=[];
boundaries= [segments(find(segments(:,4)==0),:)];
clear segments
% internal=[node1 node2 #element1 #element2 elem.label1 elem.label2]
%% Second step: for internal edges : identify for internal edges the boundary with natural coupling
%%% They correspond to internal edges with FEM in both elements on naturally coupling physical medium
temp_FEM=(ismember(elem.model(edges.internal(:,3)),1).*ismember(elem.model(edges.internal(:,4)),1));
temp_FEM=temp_FEM+(ismember(elem.model(edges.internal(:,3)),2).*ismember(elem.model(edges.internal(:,4)),2));
temp_FEM=temp_FEM+(ismember(elem.model(edges.internal(:,3)),3).*ismember(elem.model(edges.internal(:,4)),3));
%The media on both faces of the internal edge are modelled both by FEM
% Check of they are of same physical nature
temp_physical=(ismember(floor(elem.label(edges.internal(:,3))/1000),[0 2 3])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[0 2 3]));
temp_physical=temp_physical+(ismember(floor(elem.label(edges.internal(:,3))/1000),[1])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[1]));
temp_physical=temp_physical+(ismember(floor(elem.label(edges.internal(:,3))/1000),[4])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[4]));
temp_physical=temp_physical+(ismember(floor(elem.label(edges.internal(:,3))/1000),[4])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[0]));
temp_physical=temp_physical+(ismember(floor(elem.label(edges.internal(:,3))/1000),[0])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[4]));
temp_physical=temp_physical+(ismember(floor(elem.label(edges.internal(:,3))/1000),[5])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[5]));
temp_physical=temp_physical+(ismember(floor(elem.label(edges.internal(:,3))/1000),[1])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[5]));
temp_physical=temp_physical+(ismember(floor(elem.label(edges.internal(:,3))/1000),[5])).*(ismember(floor(elem.label(edges.internal(:,4))/1000),[1]));
temp=find(temp_FEM.*temp_physical);
edges.internal(temp,:)=[];
% internal=[node1 node2 #element1 #element2 0]
nb.internal=size(edges.internal,1);
clear temp_physical
% identify FEM/DGM coupling edges
temp = (ismember(elem.model(edges.internal(:,3)),[1 2]).*ismember(elem.model(edges.internal(:,4)), 10));
temp = temp+(ismember(elem.model(edges.internal(:,3)), 10).*ismember(elem.model(edges.internal(:,4)),[1 2]));
temp = find(temp);
edges.FEM_DGM_TR_coupling = edges.internal(temp,1:4);
edges.internal(temp,:) = [];
nb.internal = size(edges.internal,1);
nb.FEM_DGM_TR_coupling = size(edges.FEM_DGM_TR_coupling,1);
% Suppression of temporary values for boundaries
boundaries(:,4:6)=[];
% boundaries=[node1 node2 #element1]
% Ordering of nodes so that column 1 < column 2
edge_msh(:,1:2)=sort(edge_msh(:,1:2),2);
% Merging of boundaries
boundaries=[edge_msh;boundaries];
clear edge_msh
% Research of double segments
[~,~,temp] = unique(boundaries(:,1:2),'rows');
boundaries=[temp boundaries];
% boundaries=[#boundary node1 node2 #element OR # label]
% Ordering of the vector along the number of boundaries
[~,index]=sort(boundaries(:,1));
boundaries=boundaries(index,:);
% Find dupplicate values
temp=find(~diff(boundaries(:,1)));
% Merging of columns
boundaries(temp,5)=boundaries(temp+1,4);
% boundaries=[#boundary node1 node2 #label #element]
boundaries(temp+1,:)=[];
% Suppression of the first column with temporary index of boundaries
boundaries(:,1)=[];
% boundaries=[node1 node2 #label #element]
boundaries(:,[4 3])=boundaries(:,[3 4]);
% boundaries=[node1 node2 #element #label]
temp=find(ismember(abs(boundaries(:,4)),[0]));
boundaries(temp,:)=[];
% Suppression of interfaces with FEM and natural coupling
% Find Dirichlet boundaries : label 1 not FEM or 5 6 9
temp= (ismember(boundaries(:,4),[1]));
temp=temp.*ismember(elem.model(boundaries(:,3)),[1 2 3 4]);
temp=find(temp);
boundaries(temp,:)=[];
temp= (ismember(boundaries(:,4),[1 5 6 9]));
edges.dirichlets=boundaries(temp,:);
boundaries(temp,:)=[];
temp=find(ismember(boundaries(:,4),[25]));
edges.incompatible=boundaries(temp,:);
boundaries(temp,:)=[];
%
identify_incompatible_mesh
edges.flux=[edges.flux;edges.internal_DGM; edges.FEM_DGM_TR_coupling];
nb.flux=size(edges.flux,1);
nb.internal_DGM=0;
nb.FEM_DGM_TR_coupling=0;
edges=rmfield(edges,'internal_DGM');
edges=rmfield(edges,'FEM_DGM_TR_coupling');
temp=find(ismember(boundaries(:,4),[98 99]));
edges.periodicity=boundaries(temp,:);
boundaries(temp,:)=[];
temp=find(ismember(boundaries(:,4),[10 11 12 13 20 21 22 23]));
edges.DtN=boundaries(temp,:);
boundaries(temp,:)=[];
temp=find(ismember(floor(boundaries(:,4)/100),[4]));
edges.ZOD=boundaries(temp,:);
boundaries(temp,:)=[];
temp=find(ismember(boundaries(:,4),[61]));
edges.radiative=boundaries(temp,:);
boundaries(temp,:)=[];
%edges.radiative
temp=find(ismember(boundaries(:,4),[0]));
boundaries(temp,:)=[];
edges.loads=boundaries;
clear boundaries;
nb.dirichlets=size(edges.dirichlets,1);
nb.loads=size(edges.loads,1);
nb.periodicity=size(edges.periodicity,1);
nb.ZOD=size(edges.ZOD,1);
nb.DtN=size(edges.DtN,1);
nb.radiative=size(edges.radiative,1);
if ((sum(elem.model==1)~=0)|(sum(elem.model==4)~=0))
[nb,nodes,elem,edges]=TR32TR6(nb,nodes,elem,edges);
end
if (sum(elem.model==2)~=0)
[elem,H_elem_H12,Q_elem_H12]=create_elementary_H12(nb,nodes,elem);
end
temp=unique(elem.label(find(floor(elem.label/1000)==1)));
nb.media.elas=length(temp);
num_media.elas(1:nb.media.elas)=temp-1000;
temp=unique(elem.label(find(floor(elem.label/1000)==2)));
nb.media.eqf=length(temp);
num_media.eqf(1:nb.media.eqf)=temp-2000;
temp=unique(elem.label(find(floor(elem.label/1000)==3)));
nb.media.limp=length(temp);
num_media.limp(1:nb.media.limp)=temp-3000;
temp=unique(elem.label(find(floor(elem.label/1000)==4)));
nb.media.pem98=length(temp);
num_media.pem98(1:nb.media.pem98)=temp-4000;
temp=unique(elem.label(find(floor(elem.label/1000)==5)));
nb.media.pem01=length(temp);
num_media.pem01(1:nb.media.pem01)=temp-5000;
temp=unique(elem.label(find(floor(elem.label/1000)==0)));
nb.media.acou=length(temp);
temp=unique(elem.label(find(floor(elem.label/1000)==8)));
nb.media.PML=length(temp);
for ie=1:nb.elements
if (floor(elem.label(ie)/1000)==0)
elem.num_mat(ie)=0;
elseif (floor(elem.label(ie)/1000)==1)
elem.num_mat(ie)=find(num_media.elas==(elem.label(ie)-1000));
elseif (floor(elem.label(ie)/1000)==2)
elem.num_mat(ie)=find(num_media.eqf==(elem.label(ie)-2000));
elseif (floor(elem.label(ie)/1000)==3)
elem.num_mat(ie)=find(num_media.limp==(elem.label(ie)-3000));
elseif (floor(elem.label(ie)/1000)==4)
elem.num_mat(ie)=find(num_media.pem98==(elem.label(ie)-4000));
elseif (floor(elem.label(ie)/1000)==5)
elem.num_mat(ie)=find(num_media.pem01==(elem.label(ie)-5000));
end
end
is_pw=(ismember(edges.DtN(:,4),[10 11 12]));
is_pw_R=is_pw;
if sum(is_pw)~=0
plot_abs=1;
nb.R=1;
size_info_vector_R=1;
else
plot_abs=0;
nb.R=0;
size_info_vector_R=1;
end
is_pw=(ismember(edges.DtN(:,4),[13]));
is_pw_R=is_pw;
if sum(is_pw)~=0
plot_abs=1;
nb.R=1;
size_info_vector_R=2;
end
is_pw=(ismember(edges.DtN(:,4),[20 21 22]));
is_pw_T=is_pw;
if sum(is_pw)~=0
is_pw_T=find(is_pw);
plot_TL=1;
nb.T=1;
size_info_vector_T=1;
else
plot_TL=0;
nb.T=0;
size_info_vector_T=1;
end
is_pw=(ismember(edges.DtN(:,4),23));
is_pw_T=is_pw;
if sum(is_pw)~=0
is_pw_T=find(is_pw);
plot_TL=1;
nb.T=1;
size_info_vector_T=2;
end
if nb.ZOD~=0
index_ZOD_moins=find(mod(edges.ZOD(:,4),2)==1);
edges.ZOD_moins=edges.ZOD(index_ZOD_moins,:);
for ii=1:length(index_ZOD_moins);
number_ZOD=1+(edges.ZOD(index_ZOD_moins(ii),4)-401)/2;
% Association of boundaries on plus and on minus by the middle node
node_moins=edges.ZOD(index_ZOD_moins(ii),6);
[~,node_plus]=min(abs((nodes(:,1)-nodes(node_moins,1)-data_model.multilayer_ZOD(number_ZOD).delta_x)+1i*(nodes(:,2)-nodes(node_moins,2)-data_model.multilayer_ZOD(number_ZOD).delta_y)));
index_ZOD_plus(ii)=find(edges.ZOD(:,6)==node_plus)
edges.ZOD_plus(ii,:)=edges.ZOD(index_ZOD_plus(ii),:);
node_moins=edges.ZOD(index_ZOD_moins(ii),1);
[~,node_plus]=min(abs((nodes(:,1)-nodes(node_moins,1)-data_model.multilayer_ZOD(number_ZOD).delta_x)+1i*(nodes(:,2)-nodes(node_moins,2)-data_model.multilayer_ZOD(number_ZOD).delta_y)));
node1_plus=find(edges.ZOD_plus(ii,1:2)==node_plus);
if (~isempty(node1_plus))
if node1_plus==2
edges.ZOD_plus(ii,1:2)=edges.ZOD_plus(ii,[2 1]);
end
else
stop
end
end
end
period=max(nodes(:,1))-min(nodes(:,1));
find_dof_FEM
find_dof_DGM
I_inc=zeros(abs(frequency.nb),1);
W_vis=zeros(abs(frequency.nb),1);
W_struct=zeros(abs(frequency.nb),1);
W_therm=zeros(abs(frequency.nb),1);
W_elas=zeros(abs(frequency.nb),1);
abs_vis=zeros(abs(frequency.nb),1);
abs_struct=zeros(abs(frequency.nb),1);
abs_therm=zeros(abs(frequency.nb),1);
abs_elas=zeros(abs(frequency.nb),1);
abs_dis=zeros(abs(frequency.nb),1);
TL_EF=zeros(abs(frequency.nb),1);
abs_EF=zeros(abs(frequency.nb),1);
if isfield(data_model,'theta_DGM')
vec_theta=data_model.tilt+linspace(0,2*pi,data_model.theta_DGM.nb+1);
vec_theta(end)=[];
vec_theta=vec_theta+pi/2;
end
if data_model.profiles.mesh
display_mesh
end
else
nb.dof_FEM=0;
nb.dof_DGM=0;
end
etime = toc;
project.logger(2, 'profiling', ['PLANES_preprocess ' num2str(etime) 's.'])