def plot_structure(self):
'''
Plot nodes and elements of the model.
'''
fig, ax = plt.subplots(dpi=50)
ax.set_axis_off()
opsv.plot_model('nodes', 'elements')
plt.show()
ops.equalDOF(2, 22, 1, 2)
ops.equalDOF(3, 23, 1, 2)
ops.equalDOF(4, 24, 1, 2)
ops.equalDOF(5, 25, 1, 2)
ops.timeSeries('Linear', 1)
ops.pattern('Plain', 1, 1)
ops.load(15, 0., -1.)
ops.analysis('Static')
ops.analyze(1)
# - plot model
plt.figure()
opsv.plot_model()
plt.axis('equal')
# - plot deformation
plt.figure()
opsv.plot_defo()
# opsv.plot_defo(sfac, unDefoFlag=1, fmt_undefo='g:')
plt.axis('equal')
# get values at OpenSees nodes
sig_out = opsv.sig_out_per_node()
print(f'sig_out:\n{sig_out}')
# - visu stress map
# !!! select from sig_out: e.g. vmises