Analyse 2D Frames and trusses for slender structures. Determine the bending moments, shear forces, axial forces and displacements.
For the actively developed version:
$ pip install git+https://github.com/ritchie46/anaStruct.git
Or for a release:
$ pip install anastruct
Non linear water accumulation analysis
- trusses ✔️
- beams ✔️
- moment lines ✔️
- axial force lines ✔️
- shear force lines ✔️
- displacement lines ✔️
- hinged supports ✔️
- fixed supports ✔️
- spring supports ✔️
- q-load in elements direction ✔️
- point loads in global x, y directions on nodes ✔️
- dead load ✔️
- q-loads in global y direction ✔️
- hinged elements ✔️
- rotational springs ✔️
- non-linear nodes ✔️
- geometrical non linearity ✖️
from anastruct.fem.system import SystemElements
ss = SystemElements(EA=15000, EI=5000)
# Add beams to the system.
ss.add_element(location=[[0, 0], [0, 5]])
ss.add_element(location=[[0, 5], [5, 5]])
ss.add_element(location=[[5, 5], [5, 0]])
# Add a fixed support at node 1.
ss.add_support_fixed(node_id=1)
# Add a rotational spring support at node 4.
ss.add_support_spring(node_id=4, translation=3, k=4000)
# Add loads.
ss.point_load(Fx=30, node_id=2)
ss.q_load(q=-10, element_id=2)
# Solve
ss.solve()
# Get visual results.
ss.show_structure()
ss.show_reaction_force()
ss.show_axial_force()
ss.show_shear_force()
ss.show_bending_moment()
ss.show_displacement()