RC Rectangular Section#
[2]:
import opstool as opst
outlines = [[0, 0], [2, 0], [2, 2], [0, 2]]
coverlines = opst.offset(outlines, d=0.05)
cover = opst.add_polygon(outlines, holes=[coverlines])
core = opst.add_polygon(coverlines)
sec = opst.SecMesh()
sec.assign_group(dict(cover=cover, core=core))
sec.assign_mesh_size(dict(cover=0.02, core=0.05))
sec.assign_group_color(dict(cover="gray", core="green"))
sec.mesh()
sec.get_sec_props(display_results=True, plot_centroids=False)
sec.centring()
# sec.rotate(45)
sec.view(fill=True, engine='plotly', save_html=None, on_notebook=True)
Section Properties ┏━━━━━━━━━━━┳━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━┓ ┃ Symbol ┃ Value ┃ Definition ┃ ┡━━━━━━━━━━━╇━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━┩ │ A │ 4.000 │ Cross-sectional area │ │ Asy │ 3.333 │ Shear area y-axis │ │ Asz │ 3.333 │ Shear area z-axis │ │ centroid │ (1.000, 1.000) │ Elastic centroid │ │ Iy │ 1.333 │ Moment of inertia y-axis │ │ Iz │ 1.333 │ Moment of inertia z-axis │ │ Iyz │ 0.000 │ Product of inertia │ │ J │ 2.249 │ Torsion constant │ │ phi │ 0.000 │ Principal axis angle │ │ rho_rebar │ 0.000 │ Ratio of reinforcement │ │ E_eff │ 1.000 │ Effective elastic modulus │ │ G_eff │ 0.500 │ Effective shear modulus │ │ Nu_eff │ 0.000 │ Effective Poisson’s ratio │ └───────────┴────────────────┴───────────────────────────┘