contour plots on a given geometry - finite element

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Federica
Federica 2024-6-7
评论： Mathieu NOE 2024-6-10
I have some values of stretch that I need to assign to a given set of elements and then I want to show a contour plot of those values on the geometry that I get by plotting the elements through the nodes. How can I do?
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Federica
Federica 2024-6-8
I have n-values for stretch and n corresponding centroids to assign that value. how can I create a contour plot?

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Arun
Arun 2024-6-10
编辑：Arun 2024-6-10
Ran in:
Hi Federica,
I understand that you have n-values for both stretch and corresponding centroids and wish to create a contour plot for the available data.
Following steps might be useful to achieve the required plot:
  1. Create a grid that covers the range of the centroid coordinates:
[X, Y] = meshgrid(centroid(x),centroid(y));
2. Create the Contour Plot using “contour” function:
contour(X, Y, corresponding values);
Here is an example code for plotting contour plot:
centroid = [linspace(-2*pi,2*pi); linspace(0,4*pi)]';
[X1,Y1] = meshgrid(centroid(:,1),centroid(:,2));
stretch = sin(X1)+ cos(Y1);
contour(X1,Y1,stretch)
For more information related to contour plot please refer the shared MATLAB documentation link: https://www.mathworks.com/help/matlab/ref/contour.html
Hope this helps.

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