Ejemplo n.º 1
0
    def setUpClass(cls):

        _nodes = {1: Node.Node(ID=1, coords=(0, 0)),
                  2: Node.Node(ID=2, coords=(0, 2000)),
                  3: Node.Node(ID=3, coords=(2000, 4000)),
                  4: Node.Node(ID=4, coords=(5000, 4000)),
                  5: Node.Node(ID=5, coords=(5000, 3000)),
                  6: Node.Node(ID=6, coords=(5000, 2000)),
                  7: Node.Node(ID=7, coords=(5000, 1000)),
                  8: Node.Node(ID=8, coords=(5000, 0)),
                  9: Node.Node(ID=9, coords=(5000, -1000)),
                  }

        mat = Material.Steel()
        s1 = sections.Rectangle(height=100, width=100)  # section
        s2 = sections.Rectangle(height=200, width=200)  # section
        _sections = [s1, s1, s2, s1, s1, s1, s1, s1]
        _beams = [HB.HermitianBeam2D(ID=x+1, E=mat.E, rho=mat.rho, I=_sections[x].I.x, A=_sections[x].A, i=_nodes[y], j=_nodes[y+1]) for x, y in zip(range(8), range(1, len(_nodes.keys())))]
        _supports = {1: ['ux', 'uy'],
                     9: ['ux', 'uy'],
                     }
        cls.structure = Structure.Structure(beams=_beams, supports=_supports)

        # adding nodal loads
        cls.structure.clear_loads()
        cls.structure.add_nodal_load(nodeID=3, dynam={'FX': 1000, 'FY': 500}, clear=True)
        cls.structure.add_nodal_load(nodeID=5, dynam={'FX': -1500})

        # internal loads
        b = cls.structure.beams[1]
        cls.structure.add_internal_loads(beam=b, loadtype='uniform perpendicular force', value=2.0)
Ejemplo n.º 2
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    def setUpClass(cls):

        _nodes = [Node.Node(ID=x+1, coords=(500 * x, 0)) for x in range(7)]
        mat = Material.Steel()
        sect = sections.Rectangle(height=3, width=10)  # section
        _beams = [HB.HermitianBeam2D(ID=x+1, E=mat.E, rho=mat.rho, I=sect.I.x, A=sect.A, i=_nodes[x], j=_nodes[x+1]) for x in range(6)]
        _supports = {7: ['ux', 'uy', 'rotz']}
        cls.structure = Structure.Structure(beams=_beams, supports=_supports)

        # adding nodal loads
        cls.structure.clear_loads()
        cls.structure.add_nodal_load(nodeID=1, dynam={'FY': -1000}, clear=True)
Ejemplo n.º 3
0
    def setUpClass(cls):

        _nodes = [Node.Node(ID=x+1, coords=(500 * x, 0)) for x in range(7)]
        mat = Material.Steel()
        sect = sections.Rectangle(height=3, width=10)  # section
        _beams = [HB.HermitianBeam2D(ID=x+1, E=mat.E, rho=mat.rho, I=sect.I.x, A=sect.A, i=_nodes[x], j=_nodes[x+1]) for x in range(6)]
        _supports = {7: ['ux', 'uy', 'rotz']}
        cls.structure = Structure.Structure(beams=_beams, supports=_supports)

        # adding nodal loads
        cls.structure.clear_loads()
        cls.structure.add_nodal_load(nodeID=1, dynam={'FY': -1000, 'FX': -1000}, clear=True)
        cls.structure.add_internal_loads(beam=cls.structure.beams[0], loadtype='uniform axial force', value=1)
        cls.structure.add_internal_loads(beam=cls.structure.beams[2], loadtype='concentrated axial force', value=-1000, position=0.4)
        cls.structure.add_internal_loads(beam=cls.structure.beams[4], loadtype='concentrated axial force', value=1000, position=0.99)
Ejemplo n.º 4
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    def setUpClass(cls):

        # nodes
        _n1 = Node.Node(ID=1, coords=(0, 0))
        _n2 = Node.Node(ID=2, coords=(100, 0))

        # beams
        section_column = sections.Rectangle(height=3, width=10)  # section
        mat = Material.Steel()
        _b1 = HB.HermitianBeam2D.from_dict(adict={'ID': 1, 'E': mat.E, 'I': section_column.I.x, 'A': section_column.A, 'rho': mat.rho, 'i': _n1, 'j': _n2})
        _b1.number_internal_points = 4  # setting this to have much less values for comparison

        # supports
        BCs = {1: ['ux', 'uy', 'rotz'], NR_BEAMS+1: ['ux', 'uy', 'rotz']}  # supports as dict

        # this is the cantilever itself, composed of the beams, complete with supports
        cls.structure = Structure.Structure(beams=[_b1], supports=BCs)
Ejemplo n.º 5
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    def setUpClass(cls):

        _nodes = [Node.Node(ID=x+1, coords=(500 * x, 0)) for x in range(7)]
        mat = Material.Steel()
        sect = sections.Rectangle(height=3, width=10)  # section
        _beams = [HB.HermitianBeam2D(ID=x+1, E=mat.E, rho=mat.rho, I=sect.I.x, A=sect.A, i=_nodes[x], j=_nodes[x+1]) for x in range(6)]
        _supports = {1: ['uy'],
                     3: ['uy'],
                     5: ['uy'],
                     7: ['ux', 'uy', 'rotz'],
                     }
        cls.structure = Structure.Structure(beams=_beams, supports=_supports)

        # adding nodal loads
        cls.structure.clear_loads()
        cls.structure.add_nodal_load(nodeID=1, dynam={'FX': -1000}, clear=True)
        cls.structure.add_nodal_load(nodeID=2, dynam={'FY': -1000})
        cls.structure.add_nodal_load(nodeID=4, dynam={'MZ': 500000})

        # internal loads
        b = cls.structure.beams[4]
        cls.structure.add_internal_loads(beam=b, loadtype='uniform perpendicular force', value=-10.0)
        b = cls.structure.beams[5]
        cls.structure.add_internal_loads(beam=b, loadtype='uniform perpendicular force', value=-20.0)
Ejemplo n.º 6
0
NR_BEAMS = 1  # number of finite elements
LENGTH = 200  # length of cantilever
F_HORIZONTAL = 0
F_VERTICAL = 0


# nodes
if VERTICAL:  # vertical beam
    _nodes = [Node.Node.from_dict(adict={'ID': i+1, 'coords': (0, i*LENGTH/NR_BEAMS)}) for i in range(NR_BEAMS+1)]
else:  # horizontal beam
    _nodes = [Node.Node.from_dict(adict={'ID': i+1, 'coords': (i*LENGTH/NR_BEAMS, 0)}) for i in range(NR_BEAMS+1)]

# beams
section_column = sections.Rectangle(height=3, width=10)  # section
print(section_column)
mat = Material.Steel()
rho = mat.rho
EE = mat.E
_beams = [HB.HermitianBeam2D.from_dict(adict=
                                       {'ID': i, 'E': EE, 'I': section_column.I['x'], 'A': section_column.A,
                                        'rho': rho, 'i': _nodes[i], 'j': _nodes[i+1]})
          for i in range(NR_BEAMS)]

# supports
BCs = {1: ['ux', 'uy', 'rotz']}  # supports as dict

# this is the cantilever itself, composed of the beams, complete with supports
structure = Structure.Structure(beams=_beams, supports=BCs)

# adding loads
# directly defined nodal loads