tensor.prin.dir
Syntax
- l := tensor.prin.dir(t)
Get the principal values and directions of a tensor.
- Returns a list that is four entries long.
The first entry (index 1) is a vector containing the principal values (x=minimum, y=intermediate, z=maximum).
The second entry (index 2) is a unit vector indicating the direction of of the minimum principal stress.
The third entry (index 3) is a unit vector indicating the direction of the intermediate principal stress.
The fourth entry (index 4) is a unit vector indicating the direction of the maximum principal stress.
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