principal_stresses

compas_fea2.utilities.principal_stresses(data, ptype, scale, rotate)

Performs principal stress calculations.

Parameters
datadic

Element data from structure.results for the Step.

ptypestr

‘max’ ‘min’ for maximum or minimum principal stresses.

scalefloat

Scale on the length of the vectors.

rotateint

Rotate lines by 90 deg, 0 or 1.

Returns
array

Vectors for section point 1.

array

Vectors for section point 5.

array

Principal stresses for section point 1.

array

Principal stresses for section point 5.

float

Maxium stress magnitude.