nodal_principal_stress#

PostProcessing.nodal_principal_stress(component)#

Nodal principal stress.

Equilvanent MAPDL commands: :rtype: ndarray

*VGET, PARM, NODE, , S, 1
PRNSOL, S, PRIN

Parameters:

componentstr, optional: Nodal component stress component to retrieve. Must be '1', '2', or '3'

Returns:

numpy.ndarray: Numpy array containing the nodal principal stress.

Examples

Nodal stress in the S1 direction for the first result.

>>> mapdl.post1()
>>> mapdl.set(1, 1)
>>> mapdl.post_processing.nodal_principal_stress('1')
    array([0.60024621, 0.61625265, 0.65081825, ...,
           0.        , 0.        , 0.        ])

Corresponding nodes.

>>> mapdl.mesh.nnum_all
array([   1,    2,    3, ..., 7215, 7216, 7217], dtype=int32)