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A python package for the analysis of arbitrary cross-sections using the finite element method.

Project description

sectionproperties

Build Status Documentation Status

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] 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] 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

Project details


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