How to do you use a loop in a sub-function to extract values obtained in your main code?
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I am trying to extract the values from the displacement matrix that correspond to the x and y values that were imported from a text file. Extraction of X and Y work, but the ux and uy matrices remain empty. Can someone help me please?
Thanks in advance.
%
displacement=stiffness\force
%
%plots undeformed and deformed structure
function PlotMeshonMesh(coordinates,nodes,displacement)
nel=length(nodes); %number of elements
nnel=size(nodes,2); %number of nodes per element
nnode=length(coordinates); %number of nodes
%
% empty required matrices
X=zeros(nnel,nel);
Y=zeros(nnel,nel);
ux=zeros(nnel,nel);
uy=zeros(nnel,nel);
scalefactor=10^6;
%
for iel=1:nel
for i=1:nnel
nd(i)=nodes(iel,i); %extract connected node for (iel)-th element
X(i,iel)=coordinates(nd(i),1); %extract x value of the node
Y(i,iel)=coordinates(nd(i),2); %extract y value of the node
for p=1:nnode
ux(i,iel)=displacement(2*p-1,1)*scalefactor %extract x value of the node with displacement
uy(i,iel)=displacement(2*p,1)*scalefactor %extract y value of the node with displacement
end
end
end
hold on;
%Plotting the FEM mesh and profile of the given component
f4 = figure ;
plot(ux,uy,'r')
hold on
plot(X,Y,'k')
hold off
end
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