Fix closing animation window crash python

[germa89]

As the title.

Close #112

Thank @akaszynski for the guidance.

[germa89]

Code example to check:

import tempfile
import os
import pyvista as pv
from ansys.mapdl.reader import save_as_archive
from ansys.mapdl.core import launch_mapdl

# launch MAPDL as a service
mapdl = launch_mapdl(loglevel="ERROR")

# Create a simple plane mesh centered at (0, 0, 0) on the XY plane
mesh = pv.Plane(i_resolution=100, j_resolution=100)
mesh.plot(color="w", show_edges=True)

###############################################################################
# Write the mesh to a temporary file
archive_filename = os.path.join(tempfile.gettempdir(), "tmp.cdb")
save_as_archive(archive_filename, mesh)

# Read in the archive file
response = mapdl.cdread("db", archive_filename)
mapdl.prep7()
print(mapdl.shpp("SUMM"))

# specify shell thickness
mapdl.sectype(1, "shell")
mapdl.secdata(0.01)
mapdl.emodif("ALL", "SECNUM", 1)

mapdl.units("SI")  # not necessary, but helpful for book keeping
mapdl.mp("EX", 1, 200e9)  # Elastic moduli in Pa (kg/(m*s**2))
mapdl.mp("DENS", 1, 7800)  # Density in kg/m3
mapdl.mp("NUXY", 1, 0.3)  # Poissons Ratio
mapdl.emodif("ALL", "MAT", 1)

# Run an unconstrained modal analysis
# for the first 20 modes above 1 Hz
mapdl.modal_analysis(nmode=20, freqb=1)

###############################################################################
# Load the result file within ``pyansys`` and plot the 8th mode.
result = mapdl.result


result.animate_nodal_displacement(
    18,
    loop=True,
)

[germa89]

@akaszynski this fix is only applicable to Windows (os.name=='nt') because I'm not aware Linux has this issue.

I don't have a Linux GUI so I cannot check it.

[akaszynski]

Will need a follow up on Linux, waiting for upstream fix in pyvista.