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Copy pathTRIA_ELEMENT.m
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TRIA_ELEMENT.m
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function [ID,CTRIA3,Grid,Stress,Thickness,Displacement]=TRIA_ELEMENT(file,dx,dy,dz)
%
% clear all
% close all
% clc
% file='uCRM_Ribs.bdf';
fid = fopen(file,'rt') ;
S = textscan(fid,'%s','delimiter','\n') ;
fclose(fid);
S = S{1} ;
idx = ~contains(S,'CTRIA3') ;
S(idx) = [] ;
fid = fopen('Input_Data\Bdf_plot\CTRIA.txt','wt') ;
fprintf(fid,'%s\n',S{:,:});
fclose(fid);
fid = fopen('Input_Data\Bdf_plot\CTRIA.txt','rt+') ;
C = textscan(fid, '%s %f %f %f %f %f');
fclose(fid);
if isempty(C{1,1})==1
ID=[];
CTRIA3=[];
Grid=[];
Stress=[];
Thickness=[];
Displacement=[];
disp(['No TRIA3 Elements in ',file])
return
end
ID=C{1,2};
TRIA(:,1)=C{1,4};
TRIA(:,2)=C{1,5};
TRIA(:,3)=C{1,6};
[~,Grid] = gridpoint_extractor(file);
Grid(:,2)=Grid(:,2)+dx;
Grid(:,3)=Grid(:,3)+dy;
Grid(:,4)=Grid(:,4)+dz;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
h5data=h5extract('ucrm.h5');
[~,gridpoints] = gridpoint_extractor('uCRM.bdf');
Grid_ID=gridpoints(:,1);
Grid_x=gridpoints(:,2);
Grid_y=gridpoints(:,3);
Grid_z=gridpoints(:,4);
Displ_x=h5data.NASTRAN.RESULT.NODAL.DISPLACEMENT.X;
Displ_y=h5data.NASTRAN.RESULT.NODAL.DISPLACEMENT.Y;
Displ_z=h5data.NASTRAN.RESULT.NODAL.DISPLACEMENT.Z;
Displ_Magnitude=sqrt(Displ_x.^2+Displ_y.^2+Displ_z.^2);
Dx=Grid_x+Displ_x;
Dy=Grid_y+Displ_y;
Dz=Grid_z+Displ_z;
h5data.NASTRAN.INPUT.NODE.GRID.X(4,:)=Dx;
h5data.NASTRAN.INPUT.NODE.GRID.X(5,:)=Dy;
h5data.NASTRAN.INPUT.NODE.GRID.X(6,:)=Dz;
for i=1:3
for j = 1:length(h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.EID)
x(i,j)=h5data.NASTRAN.INPUT.NODE.GRID.X(1,h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.G(i,j));
y(i,j)=h5data.NASTRAN.INPUT.NODE.GRID.X(2,h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.G(i,j));
z(i,j)=h5data.NASTRAN.INPUT.NODE.GRID.X(3,h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.G(i,j));
dx(i,j)=h5data.NASTRAN.INPUT.NODE.GRID.X(4,h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.G(i,j));
dy(i,j)=h5data.NASTRAN.INPUT.NODE.GRID.X(5,h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.G(i,j));
dz(i,j)=h5data.NASTRAN.INPUT.NODE.GRID.X(6,h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.G(i,j));
end
end
summ=0;
for i=1:length(h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.EID)
for j=1:3
summ=Displ_Magnitude(h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.G(j,i))+summ;
end
El_Displacement(i,1)=summ/3;
summ=0;
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
k=0;
linearIndices=zeros(max(Grid(:,1)),1);
for i =1:max(Grid(:,1))
k=find(Grid(:,1)==i);
if k~=0
linearIndices(i,1) = find(Grid(:,1)==i);
idx(i,1)=1;
else
linearIndices(i,1) = 0;
idx(i,1)=0;
end
end
for i=1:size(TRIA,1)
for j = 1:3
CTRIA3.X(i,j)=Grid(linearIndices(TRIA(i,j)),2);
CTRIA3.Y(i,j)=Grid(linearIndices(TRIA(i,j)),3);
CTRIA3.Z(i,j)=Grid(linearIndices(TRIA(i,j)),4);
end
end
CTRIA3.X=transpose(CTRIA3.X);
CTRIA3.Y=transpose(CTRIA3.Y);
CTRIA3.Z=transpose(CTRIA3.Z);
h5data=h5extract('ucrm.h5');
Eid=h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.EID ;
VM_1= sqrt(h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.X1.^2+h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.Y1.^2 ...
-h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.X1.*h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.Y1+ ...
3*h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.TXY1.^2);
VM_2= sqrt(h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.X2.^2+h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.Y2.^2 ...
-h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.X2.*h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.Y2+ ...
3*h5data.NASTRAN.RESULT.ELEMENTAL.STRESS.TRIA3.TXY2.^2);
VM=max(VM_1,VM_2);
k=1;
for i=1:length(Eid)
for j = 1: length(ID)
if Eid(i)==ID(j)
Stress(k)=0;
Thickness(k)=h5data.NASTRAN.INPUT.PROPERTY.PSHELL.T(h5data.NASTRAN.INPUT.ELEMENT.CTRIA3.PID(i));
Displacement(k)=El_Displacement(i);
k=k+1;
else
end
end
end
end