def test_conrod_01(self): eid = 10 nid1 = 2 nid2 = 3 mid = 5 A = 27.0 lines = ['conrod,%i, %i, %i, %i, %f' % (eid, nid1, nid2, mid, A)] card = bdf.process_card(lines) cardi = BDFCard(card) size = 8 card = CONROD.add_card(cardi) card.write_card(size, 'dummy') card.raw_fields() self.assertEqual(card.eid, eid) self.assertEqual(card.Mid(), mid) node_ids = card.node_ids assert node_ids == [nid1, nid2], node_ids
def get_mass(self, nid1, nid2, xyz1, xyz2, eid, pid, mid, A, J, c, nsm, E, G, nu, rho, L): """tests a CROD and a CONROD""" model = BDF(debug=False) lines = [ 'conrod,%i, %i, %i, %i, %f, %f, %f, %f' % (eid, nid1, nid2, mid, A, J, c, nsm) ] card = model.process_card(lines) cardi = BDFCard(card) conrod = CONROD.add_card(cardi) model._add_element_object(conrod) card = model.elements[eid] node_ids = card.node_ids assert node_ids == [nid1, nid2], node_ids # probably wrong lines = ['crod,%i, %i, %i, %i' % (eid + 1, pid, nid1, nid2)] card = model.process_card(lines) cardi = BDFCard(card) crod = CROD.add_card(cardi) model._add_element_object(crod) card = model.elements[eid + 1] node_ids = card.node_ids assert node_ids == [nid1, nid2], node_ids # probably wrong lines = ['ctube,%i, %i, %i, %i' % (eid + 2, pid + 1, nid1, nid2)] card = model.process_card(lines) cardi = BDFCard(card) ctube = CTUBE.add_card(cardi) model._add_element_object(ctube) card = model.elements[eid + 2] node_ids = card.node_ids assert node_ids == [nid1, nid2], node_ids # probably wrong lines = ['prod,%i, %i, %f, %f, %f, %f' % (pid, mid, A, J, c, nsm)] card = model.process_card(lines) cardi = BDFCard(card) prod = PROD.add_card(cardi) model._add_property_object(prod) #self.pid = integer(card, 1, 'pid') #self.mid = integer(card, 2, 'mid') #self.OD1 = double(card, 3, 'OD1') #self.t = double_or_blank(card, 4, 't', self.OD1 / 2.) #self.nsm = double_or_blank(card, 5, 'nsm', 0.0) #self.OD2 = double_or_blank(card, 6, 'OD2', self.OD1) OD1 = sqrt(4 * A / pi) t = 0. OD2 = OD1 lines = [ 'ptube,%i, %i, %f, %f, %f, %f' % (pid + 1, mid, OD1, t, nsm, OD2) ] card = model.process_card(lines) cardi = BDFCard(card) ptube = PTUBE.add_card(cardi) model._add_property_object(ptube) lines = ['mat1,%i, %.2e, %.2e, %f, %f' % (mid, E, G, nu, rho)] card = model.process_card(lines) cardi = BDFCard(card) card = MAT1.add_card(cardi) model._add_structural_material_object(card) lines = [ 'grid,%i, %i, %f, %f, %f' % (nid1, 0, xyz1[0], xyz1[1], xyz1[2]) ] card = model.process_card(lines) cardi = BDFCard(card) card = GRID.add_card(cardi) model._add_node_object(card) lines = [ 'grid,%i, %i, %f, %f, %f' % (nid2, 0, xyz2[0], xyz2[1], xyz2[2]) ] card = model.process_card(lines) cardi = BDFCard(card) card = GRID.add_card(cardi) model._add_node_object(card) model.cross_reference() mass = L * (rho * A + nsm) # conrod self.assertEqual(conrod.eid, eid) self.assertEqual(conrod.Pid(), -10) self.assertEqual(conrod.Mid(), mid) self.assertEqual(conrod.Length(), L) self.assertEqual(conrod.Nsm(), nsm) self.assertEqual(conrod.Mass(), mass) self.assertEqual(conrod.E(), E) self.assertEqual(conrod.G(), G) self.assertEqual(conrod.Area(), A) self.assertEqual(conrod.J(), J) self.assertEqual(conrod.C(), c) self.assertEqual(conrod.Rho(), rho) # crod self.assertEqual(crod.eid, eid + 1) self.assertEqual(crod.Pid(), pid) self.assertEqual(crod.Mid(), mid) self.assertEqual(crod.Length(), L) self.assertEqual(crod.Nsm(), nsm) self.assertEqual(crod.Mass(), mass) self.assertEqual(crod.E(), E) self.assertEqual(crod.G(), G) self.assertEqual(crod.Area(), A) self.assertEqual(crod.J(), J) self.assertEqual(crod.C(), c) self.assertEqual(crod.Rho(), rho) #self.assertEqual(crod.Nu(), nu) # prod self.assertEqual(prod.Pid(), pid) self.assertEqual(prod.Mid(), mid) self.assertEqual(prod.Nsm(), nsm) self.assertEqual(prod.E(), E) self.assertEqual(prod.G(), G) self.assertEqual(prod.Area(), A) self.assertEqual(prod.J(), J) self.assertEqual(prod.C(), c) self.assertEqual(prod.Rho(), rho) # ctube self.assertEqual(ctube.eid, eid + 2) self.assertEqual(ctube.Pid(), pid + 1) self.assertEqual(ctube.Mid(), mid) self.assertEqual(ctube.Length(), L) self.assertEqual(ctube.Nsm(), nsm) self.assertAlmostEqual(ctube.Mass(), mass, 5) self.assertEqual(ctube.E(), E) self.assertEqual(ctube.G(), G) self.assertAlmostEqual(ctube.Area(), A, 5) ctube.J() self.assertEqual(ctube.Rho(), rho) # ptube self.assertEqual(ptube.Pid(), pid + 1) self.assertEqual(ptube.Mid(), mid) self.assertEqual(ptube.Nsm(), nsm) self.assertEqual(ptube.E(), E) self.assertEqual(ptube.G(), G) self.assertAlmostEqual(ptube.Area(), A, 5) ptube.J() self.assertEqual(ptube.Rho(), rho)
def get_mass(self, nid1, nid2, xyz1, xyz2, eid, pid, mid, A, J, c, nsm, E, G, nu, rho, L): """tests a CROD and a CONROD""" model = BDF(debug=False) lines = ['conrod,%i, %i, %i, %i, %f, %f, %f, %f' % (eid, nid1, nid2, mid, A, J, c, nsm)] card = model.process_card(lines) cardi = BDFCard(card) conrod = CONROD.add_card(cardi) model._add_element_object(conrod) card = model.elements[eid] node_ids = card.node_ids assert node_ids == [nid1, nid2], node_ids # probably wrong lines = ['crod,%i, %i, %i, %i' % (eid+1, pid, nid1, nid2)] card = model.process_card(lines) cardi = BDFCard(card) crod = CROD.add_card(cardi) model._add_element_object(crod) card = model.elements[eid+1] node_ids = card.node_ids assert node_ids == [nid1, nid2], node_ids # probably wrong lines = ['ctube,%i, %i, %i, %i' % (eid+2, pid+1, nid1, nid2)] card = model.process_card(lines) cardi = BDFCard(card) ctube = CTUBE.add_card(cardi) model._add_element_object(ctube) card = model.elements[eid+2] node_ids = card.node_ids assert node_ids == [nid1, nid2], node_ids # probably wrong lines = ['prod,%i, %i, %f, %f, %f, %f' % (pid, mid, A, J, c, nsm)] card = model.process_card(lines) cardi = BDFCard(card) prod = PROD.add_card(cardi) model._add_property_object(prod) #self.pid = integer(card, 1, 'pid') #self.mid = integer(card, 2, 'mid') #self.OD1 = double(card, 3, 'OD1') #self.t = double_or_blank(card, 4, 't', self.OD1 / 2.) #self.nsm = double_or_blank(card, 5, 'nsm', 0.0) #self.OD2 = double_or_blank(card, 6, 'OD2', self.OD1) OD1 = sqrt(4*A/pi) t = 0. OD2 = OD1 lines = ['ptube,%i, %i, %f, %f, %f, %f' % (pid+1, mid, OD1, t, nsm, OD2)] card = model.process_card(lines) cardi = BDFCard(card) ptube = PTUBE.add_card(cardi) model._add_property_object(ptube) lines = ['mat1,%i, %.2e, %.2e, %f, %f' % (mid, E, G, nu, rho)] card = model.process_card(lines) cardi = BDFCard(card) card = MAT1.add_card(cardi) model._add_structural_material_object(card) lines = ['grid,%i, %i, %f, %f, %f' % (nid1, 0, xyz1[0], xyz1[1], xyz1[2])] card = model.process_card(lines) cardi = BDFCard(card) card = GRID.add_card(cardi) model._add_node_object(card) lines = ['grid,%i, %i, %f, %f, %f' % (nid2, 0, xyz2[0], xyz2[1], xyz2[2])] card = model.process_card(lines) cardi = BDFCard(card) card = GRID.add_card(cardi) model._add_node_object(card) model.cross_reference() mass = L * (rho * A + nsm) # conrod self.assertEqual(conrod.eid, eid) self.assertEqual(conrod.Pid(), None) self.assertEqual(conrod.Mid(), mid) self.assertEqual(conrod.Length(), L) self.assertEqual(conrod.Nsm(), nsm) self.assertEqual(conrod.Mass(), mass) self.assertEqual(conrod.E(), E) self.assertEqual(conrod.G(), G) self.assertEqual(conrod.Area(), A) self.assertEqual(conrod.J(), J) self.assertEqual(conrod.C(), c) self.assertEqual(conrod.Rho(), rho) # crod self.assertEqual(crod.eid, eid+1) self.assertEqual(crod.Pid(), pid) self.assertEqual(crod.Mid(), mid) self.assertEqual(crod.Length(), L) self.assertEqual(crod.Nsm(), nsm) self.assertEqual(crod.Mass(), mass) self.assertEqual(crod.E(), E) self.assertEqual(crod.G(), G) self.assertEqual(crod.Area(), A) self.assertEqual(crod.J(), J) self.assertEqual(crod.C(), c) self.assertEqual(crod.Rho(), rho) #self.assertEqual(crod.Nu(), nu) # prod self.assertEqual(prod.Pid(), pid) self.assertEqual(prod.Mid(), mid) self.assertEqual(prod.Nsm(), nsm) self.assertEqual(prod.E(), E) self.assertEqual(prod.G(), G) self.assertEqual(prod.Area(), A) self.assertEqual(prod.J(), J) self.assertEqual(prod.C(), c) self.assertEqual(prod.Rho(), rho) # ctube self.assertEqual(ctube.eid, eid+2) self.assertEqual(ctube.Pid(), pid+1) self.assertEqual(ctube.Mid(), mid) self.assertEqual(ctube.Length(), L) self.assertEqual(ctube.Nsm(), nsm) self.assertAlmostEqual(ctube.Mass(), mass, 5) self.assertEqual(ctube.E(), E) self.assertEqual(ctube.G(), G) self.assertAlmostEqual(ctube.Area(), A, 5) ctube.J() self.assertEqual(ctube.Rho(), rho) # ptube self.assertEqual(ptube.Pid(), pid+1) self.assertEqual(ptube.Mid(), mid) self.assertEqual(ptube.Nsm(), nsm) self.assertEqual(ptube.E(), E) self.assertEqual(ptube.G(), G) self.assertAlmostEqual(ptube.Area(), A, 5) ptube.J() self.assertEqual(ptube.Rho(), rho)