stens3
- class vec.stens3
- assert_close(value: stens3) None.
Assert that this symetric tensor is close to the given tensor.
- determinant() float.
Return the determinant.
- deviatoric() stens3.
Get the deviatoric tensor.
- diagonal() vec3.
Returns the diagonal as a new vec3.
- eigensystem() tuple of (eigenvalues: vec3, eigenvectors: tuple of (vec3, vec3, vec3)).
Get the eigenvalues and eigenvectors of the tensor.
- fill(value: float) None.
Set all elements to value.
- i2() float.
Get the second stress invariant.
- j2() float.
Get the second deviatoric stress invariant.
- measure() float.
Get the tensor measure. This is the distance of the stress/strain tensor point at the principal stress/strain space to the origin of the same space.
- set_from_eigensystem(eigenvalues: vec3, eigenvectors: iterable with dims (3, 3)) None.
Set the tensor from principal axes.
- trace() float.
Returns the trace.
- xx() float.
Return the xx component of the tensor.
- xy() float.
Return the xy component of the tensor.
- xz() float.
Return the xz component of the tensor.
- yy() float.
Return the yy component of the tensor.
- yz() float.
Return the yz component of the tensor.
- zz() float.
Return the zz component of the tensor.
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