Brief demo

This brief demo shows how to load an Ansys Mechanical APDL (MAPDL) result file to extract and postprocess results. The code to use depends on which Ansys version you have installed. For comprehensive examples of how to use PyDPF-Post, see Examples.

2023 R1 and later

If Ansys 2023 R1 or later is installed, a DPF server automatically starts once you start using PyDPF-Post. Use this code to load an MAPDL result file to extract and postprocess results:

>>> from ansys.dpf import post
>>> from ansys.dpf.post import examples
>>> simulation = post.load_simulation(examples.download_crankshaft())
>>> displacement = simulation.displacement()
>>> print(displacement)

       results         U
        set_id         3
node      comp
4872         X -3.41e-05
             Y  1.54e-03
             Z -2.64e-06
9005         X -5.56e-05
             Y  1.44e-03
             Z  5.31e-06
 ...

>>> displacement.plot()

>>> stress_eqv = simulation.stress_eqv_von_mises_nodal()
>>> stress_eqv.plot()

2021 R1 through 2022 R2

If an Ansys release of 2021 R1 through 2022 R2 is installed, use this code to start the legacy PyDPF-Post tools and then load an MAPDL result file to extract and postprocess results:

>>> from ansys.dpf import post
>>> from ansys.dpf.post import examples
>>> solution = post.load_solution(examples.download_crankshaft())
>>> stress = solution.stress()
>>> stress.eqv.plot_contour(show_edges=False)