def test_multiple_elements_spacing(self):
ss = se.SystemElements(EI=5e3, EA=1e5)
ss.add_multiple_elements([[0, 0], [10, 0]], 100)
ss.add_support_fixed(1)
ss.point_load(ss.id_last_node, Fy=-10)
ss.solve()
self.assertAlmostEqual(2 / 3, ss.get_node_results_system(-1)["uy"])
def test_circle_section_deflection(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [2, 0]], n=2, d=0.07, E=210e9, sw=False)
ss.add_support_hinged(1)
ss.add_support_hinged(3)
ss.point_load(2, Fy=-1000)
ss.solve()
self.assertAlmostEqual(-0.00067339, ss.get_node_displacements(2)['uy'])
def test_rectangle_section_deflection(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [2, 0]], n=2, h=0.05, b=0.16, E=210e9, sw=False, orient='y')
ss.add_support_hinged(1)
ss.add_support_hinged(3)
ss.point_load(2, Fy=-1000)
ss.solve()
self.assertAlmostEqual(-0.00047619, ss.get_node_displacements(2)['uy'])
def test_sectionbase_steel_section_deflection(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [6, 0]], n=2, steelsection='IPE 300', E=210e9, sw=False, orient='y')
ss.add_support_hinged(1)
ss.add_support_hinged(3)
ss.point_load(2, Fy=-10000)
ss.solve()
self.assertAlmostEqual(-0.00256442, ss.get_node_displacements(2)['uy'])
def test_add_multiple_elements(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [10, 10]], n=5)
sol = [0, 2.0, 4.0, 6.0, 8.0, 10]
self.assertTrue(
all([
np.isclose(a, b) for a, b in zip(
sol, [x.vertex.x for x in ss.node_map.values()])
]))
def test_circle_section_deflection(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [2, 0]],
n=2,
d=0.07,
E=210e9,
sw=False)
ss.add_support_hinged(1)
ss.add_support_hinged(3)
ss.point_load(2, Fy=-1000)
ss.solve()
self.assertAlmostEqual(-0.00067339, ss.get_node_displacements(2)['uy'])
def test_sectionbase_steel_section_deflection(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [6, 0]],
n=2,
steelsection='IPE 300',
E=210e9,
sw=False,
orient='y')
ss.add_support_hinged(1)
ss.add_support_hinged(3)
ss.point_load(2, Fy=-10000)
ss.solve()
self.assertAlmostEqual(-0.00256442, ss.get_node_displacements(2)['uy'])
def test_rectangle_section_deflection(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [2, 0]],
n=2,
h=0.05,
b=0.16,
E=210e9,
sw=False,
orient='y')
ss.add_support_hinged(1)
ss.add_support_hinged(3)
ss.point_load(2, Fy=-1000)
ss.solve()
self.assertAlmostEqual(-0.00047619, ss.get_node_displacements(2)['uy'])
def test_add_multiple_elements(self):
ss = se.SystemElements()
ss.add_multiple_elements([[0, 0], [10, 10]], n=5)
sol = [0, 2.0, 4.0, 6.0, 8.0, 10]
self.assertTrue(all([np.isclose(a, b) for a, b in zip(sol, [x.vertex.x for x in ss.node_map.values()])]))