Code covered by the BSD License
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fem(varargin)
FEM Application M-file for fem.fig
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BRICK_stress (in_data, resp)
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BRICK_stress_main (in_data, S...
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CST_CSQ_stress (in_data,resp)
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Cantilever_Beam(in_data)
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D2_CSQ (x1, y1, x2, y2, x3, y...
returns a 2D linear constant stress quadrilateral (CSQ) element stiffness
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D2_CST (x1, y1, x2, y2, x3, y...
returns a 2D linear constant strain triangle (CST) element K & M matrix
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D3_BEAM (x1, y1, z1, x2, y2, ...
returns a 3D fixed-fixed beam element stiffness matrix in global coordinates
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D3_LB (x1, y1, z1, x2, y2, z2...
returns a 3D linear constant stress brick (LB) element stiffness matrix
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D3_TETRAH (x1, y1, z1, x2, y2...
returns a 3D tetrahedron (CST) element K & M matrix
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D3_TRUSS (x1, y1, z1, x2, y2,...
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DBC_solve (K,L,force,in_data)
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FFTsig (T,T2,dt,FNO)
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FF_BEAM (x1, y1, x2, y2, E, A...
returns a 2D fixed-fixed beam element stiffness & mass matrix in global coordinates
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FP_BEAM (x1, y1, x2, y2, E, A...
returns a 2D fixed-pinned beam element stiffness & mass matrix in global coordinates
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FT_freq (T,dt)
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KM_info (K, M)
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K_CON (dofN, dof_, obj, in_da...
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K_CST (ND, EL, rhoX, rhoY)
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K_assembly (in_data, type_ana...
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K_pre_allocate (in_data, Nrow...
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L=cholesky(K)
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LOAD_V (dofN, dof_, in_data, ...
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MFC_master_slave (K,L,force,s...
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M_2D_beam_assembly (in_data)
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M_3D_beam_assembly (in_data)
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PF_BEAM (x1, y1, x2, y2, E, A...
returns a 2D pinned-fixed beam element stiffness & mass matrix in global coordinates
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animate_2D_frame (resp,in_dat...
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animate_3D_brick (resp,in_dat...
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animate_3D_frame (resp,in_dat...
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animate_3D_tetrah (resp,in_da...
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animate_3D_truss (resp,in_dat...
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animate_dyn_response (resp,in...
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animate_mode_shape_2( in_data...
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animate_response_tri (resp,in...
animate_response_tri.m
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beam_2d (in_data)
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beam_2d_2 (in_data)
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build_object_KM (in_data,type...
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dxdtU(t,x,u,params)
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dxxdt(t,x)
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dxxdt_p(t,x)
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dyn_FEM ( in_data, obj, L, LK...
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eigFEM (K, M, damp)
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eigFEM_s (K, M, N)
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fea_dynamic_analysis (obj,in_...
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fea_heat_analysis (obj,in_dat...
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fea_modal_analysis (obj,in_da...
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fea_static_analysis (obj,in_d...
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fem3D_brick
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fem3D_inp_frame (in_data)
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fem3D_tetrah
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fem3D_tetrah_cyl (in_data)
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fem_inp_CSQ1
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fem_inp_CSQ2 (in_data)
modal analysis
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fem_inp_CST
modal analysis
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fem_run (in_data,type_analysi...
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frame2d_uniform_loads (in_dat...
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freq_damp_FEM(K,M,a,b)
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in_data_tetr_modal_(in_data)
beam_tetr_3d.m 2-D beams
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main_form_data_plot (handles,...
plot location of DOF for output from dynamic analysis on the main form
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matrx_info (A)
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modal_analysis ( obj , L, in_...
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modal_analysis_large ( obj , ...
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odeRK6( dydt, time, y0, u, ep...
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plot3D_results(in_data,resp)
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plot3D_results_TRUSS(in_data,...
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plot_2dbeam_stat_diagram (in_...
PLOT STATIC DISPLACEMENTS OF 2D BEAMS
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plot_2dbeam_static (in_data,r...
PLOT STATIC DISPLACEMENTS OF 2D BEAMS
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plot_deform_tri ( in_data, D,...
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plot_dyn_2Dbeam (in_data,D,in...
plot 2D-FRAME dynamic displacements
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plot_dyn_3Dframe(in_data,D,in...
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plot_dyn_3Dtruss(in_data,D,in...
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plot_dyn_brick ( in_data, D, ...
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plot_dyn_tetrah ( in_data, D,...
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plot_dyn_tri ( in_data, D, in...
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plot_fem_data(in_data,PND)
plot input object on GUI main form
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plot_fem_static(in_data, obj,...
plot static deflections
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plot_modal_shape ( in_data, D...
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plot_results_brick ( in_data,...
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plot_results_heat ( in_data, ...
PLOT temperatures (2D)
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plot_results_tetrah ( in_data...
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plot_results_tri ( in_data, S...
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rayleigh_coef (K,M,damp,N)
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saveOBJECTeps
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surfbrick(p,t)
SURFbrick: find surface faces from quad 3d mesh
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surftri(p,t)
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truss2d (x1, y1, x2, y2, E, A...
2D truss element stiffness and mass matrix in global coordinates
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truss_3d (in_data)
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type_of_elem (in_data)
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View all files
from
FEM toolbox for solid mechanics
by Anton Zaicenco
The finite element toolbox for solid mechanics with GUI.
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| fem_inp_CSQ2 (in_data)
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function in_data = fem_inp_CSQ2 (in_data)
in_data.ND = [
1 0 0;
2 1 0;
3 2 0;
4 3 0;
5 4 0;
6 5 0;
7 6 0;
8 0 1;
9 1 1;
10 2 1;
11 3 1;
12 4 1;
13 5 1;
14 6 1;
15 0 2;
16 1 2;
17 2 2;
18 3 2;
19 4 2;
20 5 2;
21 6 2;
22 0 3;
23 1 3;
24 2 3;
25 3 3;
26 4 3;
27 5 3;
28 6 3;
29 0 4;
30 1 4;
31 2 4;
32 3 4;
33 4 4;
34 5 4;
35 6 4;
36 0 5;
37 1 5;
38 2 5;
39 3 5;
40 4 5;
41 5 5;
42 6 5;
43 0 6;
44 1 6;
45 2 6;
46 3 6;
47 4 6;
48 5 6;
49 6 6;
50 0 7;
51 1 7;
52 2 7;
53 3 7;
54 4 7;
55 5 7;
56 6 7];
in_data.mater.E = 1e7;
in_data.mater.h = 0.6;
in_data.mater.miu = 0.3;
in_data.mater.rho =0;
E = in_data.mater.E; h = in_data.mater.h; miu = in_data.mater.miu;
rhoX = 5000; rhoY = 5000;
in_data.PML.ex =1; in_data.PML.ey =1+0.1i;
in_data.EL = [
1 5 1 2 9 8 E [1 1 1 1] miu rhoX rhoY;
2 5 2 3 10 9 E [1 1 1 1] miu rhoX rhoY;
3 5 3 4 11 10 E [1 1 1 1] miu rhoX rhoY;
4 5 4 5 12 11 E [1 1 1 1] miu rhoX rhoY;
5 5 5 6 13 12 E [1 1 1 1] miu rhoX rhoY;
6 5 6 7 14 13 E [1 1 1 1] miu rhoX rhoY;
7 5 8 9 16 15 E [1 1 1 1] miu rhoX rhoY;
8 5 9 10 17 16 E [1 1 1 1] miu rhoX rhoY;
9 5 10 11 18 17 E [1 1 1 1] miu rhoX rhoY;
10 5 11 12 19 18 E [1 1 1 1] miu rhoX rhoY;
11 5 12 13 20 19 E [1 1 1 1] miu rhoX rhoY;
12 5 13 14 21 20 E [1 1 1 1] miu rhoX rhoY;
13 5 15 16 23 22 E [1 1 1 1] miu rhoX rhoY;
14 5 16 17 24 23 E [1 1 1 1] miu rhoX rhoY;
15 5 17 18 25 24 E [1 1 1 1] miu rhoX rhoY;
16 5 18 19 26 25 E [1 1 1 1] miu rhoX rhoY;
17 5 19 20 27 26 E [1 1 1 1] miu rhoX rhoY;
18 5 20 21 28 27 E [1 1 1 1] miu rhoX rhoY;
19 5 22 23 30 29 E [1 1 1 1] miu rhoX rhoY;
20 5 23 24 31 30 E [1 1 1 1] miu rhoX rhoY;
21 5 24 25 32 31 E [1 1 1 1] miu rhoX rhoY;
22 5 25 26 33 32 E [1 1 1 1] miu rhoX rhoY;
23 5 26 27 34 33 E [1 1 1 1] miu rhoX rhoY;
24 5 27 28 35 34 E [1 1 1 1] miu rhoX rhoY;
25 5 29 30 37 36 E [1 1 1 1] miu rhoX rhoY;
26 5 30 31 38 37 E [1 1 1 1] miu rhoX rhoY;
27 5 31 32 39 38 E [1 1 1 1] miu rhoX rhoY;
28 5 32 33 40 39 E [1 1 1 1] miu rhoX rhoY;
29 5 33 34 41 40 E [1 1 1 1] miu rhoX rhoY;
30 5 34 35 42 41 E [1 1 1 1] miu rhoX rhoY;
31 5 36 37 44 43 E [1 1 1 1] miu rhoX rhoY;
32 5 37 38 45 44 E [1 1 1 1] miu rhoX rhoY;
33 5 38 39 46 45 E [1 1 1 1] miu rhoX rhoY;
34 5 39 40 47 46 E [1 1 1 1] miu rhoX rhoY;
35 5 40 41 48 47 E [1 1 1 1] miu rhoX rhoY;
36 5 41 42 49 48 E [1 1 1 1] miu rhoX rhoY;
37 5 43 44 51 50 E [1 1 1 1] miu rhoX rhoY;
38 5 44 45 52 51 E [1 1 1 1] miu rhoX rhoY;
39 5 45 46 53 52 E [1 1 1 1] miu rhoX rhoY;
40 5 46 47 54 53 E [1 1 1 1] miu rhoX rhoY;
41 5 47 48 55 54 E [1 1 1 1] miu rhoX rhoY;
42 5 48 49 56 55 E [1 1 1 1] miu rhoX rhoY];
in_data.slaves(1).a = 2.*[37:40]-0; % slaves dof's
in_data.master(1).a = 2.*[41]-0; % master dof
in_data.DBC.dofs = 2.*[3 4 5]-0; % dof's with displ BC's
in_data.DBC.displ= [.0002 .0003 .0002]; % dof's with displ BC's
in_data.CON = [ 1 0 0;
2 0 0;
3 0 0;
4 0 0;
5 0 0;
6 0 0;
7 0 0];
in_data.LOAD_ = [
28 -100e1 00e1;
53 00e1 00e1];
in_data.MASS = [ 4 10e4 30e4 10e6;
5 10e4 30e4 10e6;
6 10e4 30e4 10e6;
7 10e4 30e4 10e6;
8 10e4 30e4 10e6;
9 10e4 30e4 10e6;
10 10e4 30e4 10e6;
11 10e4 30e4 10e6;
12 10e4 30e4 10e6;
13 10e4 30e4 10e6;
14 10e4 30e4 10e6;
15 10e4 30e4 10e6];
in_data.dynam.TIMEH = [ 'bedr.txt' ];
in_data.dynam.delta_tm = [0.0079];
in_data.dynam.TIMEHDIR = [0 1];
in_data.dynam.TIMEHM = [22:56];
in_data.dynam.TIMEHPL = [51*2-1];
in_data.dynam.DAMP_C = [0.04 0.04];
in_data.dynam.DAMP_F = [3];
in_data.dynam.ab = [0.4 0.0001];
% modal analysis
in_data.dynam.MODA = [2];
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