A python package for the analysis of arbitrary cross-sections using the finite element method written by Robbie van Leeuwen. sectionproperties can be used to determine section properties to be used in structural design and visualise cross-sectional stresses resulting from combinations of applied forces and bending moments.
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Installation:
For more detailed installation instructions, refer to the documentation.
UNIX (MacOS/Linux):
$ pip install sectionproperties
Windows
Install meshpy by downloading the appropriate installation wheel.
Navigate to the location of the downloaded wheel and install using pip:
$ cd Downloads $ pip install MeshPy‑2018.2.1‑cp36‑cp36m‑win_amd64.whl
Once meshpy has been installed, sectionproperties can be installed:
$ pip install sectionproperties
Documentation:
sectionproperties has a fully documented python API which you can find at https://sectionproperties.readthedocs.io/. To read more about the theory behind the program, its implementation and some more examples, check out my blog at https://robbievanleeuwen.github.io/.
Current Capabilities:
Pre-Processor:
[x] Python API
[x] Custom section geometry input
[x] Common section geometry generators
[x] Multiple geometry merging
[x] Perimeter offset tool
[x] Geometry cleaning
[ ] JSON input file
[ ] .dxf import
[x] Quadratic triangular mesh generation
[x] Composite material properties
Cross-Section Analysis:
[x] Global axis geometric section properties:
[x] Area
[x] Perimeter
[x] First moments of area
[x] Second moments of area
[x] Elastic centroid
[x] Centroidal axis geometric section properties:
[x] Second moments of area
[x] Elastic section moduli
[ ] Yield moment
[x] Radii of gyration
[x] Plastic centroid
[x] Plastic section moduli
[x] Shape factors
[x] Principal axis geometric section properties:
[x] Second moments of area
[x] Elastic section moduli
[ ] Yield moment
[x] Radii of gyration
[x] Plastic centroid
[x] Plastic section moduli
[x] Shape factors
[x] Warping section properties:
[x] Torsion constant
[x] Warping constant
[x] Shear section properties:
[x] Shear centre (elastic method)
[x] Shear centre (Trefftz’s method)
[x] Shear areas (global axis)
[x] Shear areas (principal axis)
[x] Cross-section stresses
Solver:
[x] Direct solver
[x] CGS iterative solver
[x] Sparse matrices
Post-Processor:
[x] Plot geometry
[x] Plot mesh
[x] Plot centroids
[x] Plot cross-section stresses
[x] Retrieve cross-section stresses
[ ] Generate cross-section report
[ ] Export to Paraview
Additional Modules:
[ ] Optimisation
[ ] Reinforced Concrete
[ ] Steel
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