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DAMASK_EICMD
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This commit is contained in:
Martin Diehl 2019-12-23 05:51:41 +01:00
parent db14baec41
commit 149e4d6d73
1 changed files with 0 additions and 3 deletions
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processing/post/addStrainTensors.py
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@ -143,9 +143,6 @@ for name in filenames:
for theStretch in stretches: for theStretch in stretches:
stretch[theStretch] = np.where(abs(stretch[theStretch]) < 1e-12, 0, stretch[theStretch]) # kill nasty noisy data stretch[theStretch] = np.where(abs(stretch[theStretch]) < 1e-12, 0, stretch[theStretch]) # kill nasty noisy data
(D,V) = np.linalg.eigh((stretch[theStretch]+stretch[theStretch].T)*0.5) # eigen decomposition (of symmetric(ed) matrix) (D,V) = np.linalg.eigh((stretch[theStretch]+stretch[theStretch].T)*0.5) # eigen decomposition (of symmetric(ed) matrix)
neg = np.where(D < 0.0) # find negative eigenvalues ...
D[neg] *= -1. # ... flip value ...
V[:,neg] *= -1. # ... and vector
for theStrain in strains: for theStrain in strains:
d = operator(theStretch,theStrain,D) # operate on eigenvalues of U or V d = operator(theStretch,theStrain,D) # operate on eigenvalues of U or V
eps = np.dot(V,np.dot(np.diag(d),V.T)).reshape(9) # build tensor back from eigenvalue/vector basis eps = np.dot(V,np.dot(np.diag(d),V.T)).reshape(9) # build tensor back from eigenvalue/vector basis