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Update mpl.py #312

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Update mpl.py #312

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Commits on Sep 2, 2024

  1. Update mpl.py 

    I tested a simply supported beam and added a node in the beam. There was only one element before the node was added. I then added a point load at the new node. See my codes below. When a new node is inserted, the original element will be deleted. Two new elements will be defined accordingly. However, the original code still references the original key in the self.system.element_map[1]. But Key 1 has been deleted. A key error will occur. You can test my model here:

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from anastruct import SystemElements
structure = SystemElements(EA=15000, EI=5000, mesh=101)
# define elements
structure.add_element(location=[[0,0],[10,0]])

# define support
structure.add_support_hinged(node_id=1)
structure.add_support_hinged(node_id=2)
structure.insert_node(element_id=1, factor=0.4)

# define loads
structure.q_load(q=-5, element_id=[2,3],direction='element')
structure.point_load(node_id=3, Fx=5, Fy=0)

# structure.validate()
structure.show_structure()

# solve the numerical problem
structure.solve()

structure.show_bending_moment()

structure.show_axial_force()
    @thisisapple
    thisisapple authored Sep 2, 2024
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