def example_3():
"""Run example 3"""
beam = Beam(9)
beam.pinned_support = 2 # x-coordinate of the pinned support
beam.rolling_support = 7 # x-coordinate of the rolling support
beam.add_loads((
PointLoadV(3, 6),
PointTorque(30, 4),
))
fig = plt.figure(figsize=(6, 7.5))
fig.subplots_adjust(hspace=0.4)
ax1 = fig.add_subplot(3, 1, 1)
beam.plot_beam_diagram(ax1)
ax2 = fig.add_subplot(3, 1, 2)
beam.plot_shear_force(ax2)
ax3 = fig.add_subplot(3, 1, 3)
beam.plot_bending_moment(ax3)
# save the png and add it to the documentation
mod_path = os.path.dirname(os.path.abspath(__file__)) # current module
save_name = os.path.basename(__file__).replace('.py', '.png') # file name
save_path = os.path.join(mod_path, save_name)
fig.savefig(save_path, transparent=True)
def example_2():
"""Run example 2"""
beam = Beam(9)
beam.pinned_support = 2 # x-coordinate of the pinned support
beam.rolling_support = 7 # x-coordinate of the rolling support
eps = 1e-5
beam.add_loads((
DistributedLoadV(-5+x - (x-2)**2 + (x-4)**3, (2+eps, 6.5)),
DistributedLoadV(-x**2*11/4, (0.0, 2)),
DistributedLoadV(-3+(x-6.5)**2*3/(2.5**2), (6.5+eps, 9)),
))
fig = plt.figure(figsize=(6, 7.5))
fig.subplots_adjust(hspace=0.4)
ax1 = fig.add_subplot(3, 1, 1)
beam.plot_beam_diagram(ax1)
ax2 = fig.add_subplot(3, 1, 2)
beam.plot_shear_force(ax2)
ax3 = fig.add_subplot(3, 1, 3)
beam.plot_bending_moment(ax3)
# save the png and add it to the documentation
mod_path = os.path.dirname(os.path.abspath(__file__)) # current module
save_name = os.path.basename(__file__).replace('.py', '.png') # file name
save_path = os.path.join(mod_path, save_name)
fig.savefig(save_path, transparent=True)
def example_shear1():
"""Generate shear force introductory problem schematic"""
my_beam = Beam(6)
my_beam.rolling_support = 0 # x-coordinate of the rolling support
my_beam.pinned_support = 3 # x-coordinate of the pinned support
my_beam.add_loads([PointLoadV(10, 6)]) # 10kN pointing upwards, at x=6m
fig = plt.figure()
my_beam.plot_shear_force(fig.add_subplot(2, 1, 1))
my_beam.plot_bending_moment(fig.add_subplot(2, 1, 2))
# save the png and add it to the documentation
mod_path = os.path.dirname(os.path.abspath(__file__)) # current module
save_name = os.path.basename(__file__).replace('.py', '.png') # file name
save_path = os.path.join(mod_path, save_name)
fig.savefig(save_path, transparent=True)