Bolted Joint Stress Field Model (BJSFM) is a common analytical method used to analyze bolted joints in composite airframe structures. This project ports the original fortran code to pure python code using the underlying theory.
from bjsfm.analysis import MaxStrain
a_matrix = [[988374.5, 316116.9, 0.],
[316116.9, 988374.5, 0.],
[0., 0., 336128.8]]
thickness = 0.1152
diameter = 0.25
analysis = MaxStrain(a_matrix, thickness, diameter)
# get stresses, strains and displacements at four points around hole
bearing = [100, 0] #[Px, Py]
bypass = [100, 0, 0] #[Nx, Ny, Nxy]
analysis.stresses(bearing, bypass, num=4)
analysis.strains(bearing, bypass, num=4)
analysis.displacements(bearing, bypass, num=4)
# plot stresses
analysis.plot_stress(bearing, bypass)Installation
pip install bjsfm
Documentation
Features
[X] Lekhnitskii’s anisotropic elasticity solutions for loaded (cosine distribution) and unloaded holes
[X] stresses
[X] displacements
[X] Combined bearing and bypass 2D infinite plate stress distribution
[X] Optional DeJong tension (or compression) bearing correction
[X] Max strain analysis
[ ] Plotting
[X] stresses
[ ] displacements
[X] Command-line Interface (CLI)
Web App
Contribute
Issue Tracker: https://github.com/BenjaminETaylor/bjsfm/issues
Source Code: https://github.com/BenjaminETaylor/bjsfm
Support
License
This project is licensed under the MIT license.
1 maintainer
Metadata
1 maintainer
Release files for bjsfm 0.5.2
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Source distribution (sdist)
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| bjsfm-0.5.2.tar.gz | 17.5 kB | Details |
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| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| bjsfm-0.5.2-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 35.5 kB
Release files / bjsfm-0.5.2.tar.gz
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| Tags | Python 3 |
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