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Offline JJJC  
#1 Posted : 07 April 2024 09:56:12(UTC)
JJJC


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Hello,

I think it could be a good idea to implement the analysis of eigenvectors and eigenvalues. I have seen some solutions in various posts, but in Mathcad it is implemented and is very easy to do.

BR,
JJ

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Offline oscampo  
#2 Posted : 07 April 2024 16:39:57(UTC)
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Hi
Please take a look to functions dn_LinAlgEigenvalues() and dn_LinAlgEigenvectors(), included on DotNumerics plugin

Best,
Oscar
thanks 1 user thanked oscampo for this useful post.
on 08/04/2024(UTC)
Offline JJJC  
#3 Posted : 12 April 2024 10:47:41(UTC)
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Hello,
I have check the functions you recomended. I don't know if the eigenvalues analysis is well done, considering units. I attach the file.

Thanks,
JJJ test_stress-tensor.sm (5kb) downloaded 10 time(s).
Offline oscampo  
#4 Posted : 12 April 2024 11:36:51(UTC)
oscampo


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Values in eigenvalues vector must be in default units (N/m^2), so [5.2*10^8, 2.0*10^8, -1.7*10^8] represent [520, 200, -170]MPa

Best,
Oscar
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